Flexible Dermal Armor

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Flexible Dermal Armor

Author : Irene Hsu Chen
Publisher :
ISBN 13 : 9781321649031
Total Pages : 140 pages
Book Rating : 4.6/5 (49 download)

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Book Synopsis Flexible Dermal Armor by : Irene Hsu Chen

Download or read book Flexible Dermal Armor written by Irene Hsu Chen and published by . This book was released on 2015 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: Designs derived from nature have become a perfect blueprint for today's engineers and scientists to follow and implement. One particularly noted area is the defense industry, wherein flexible dermal armor inspired by nature has been pioneering many sophisticated technologies and designs in recent years. Designers today are considering borrowing aspects of flexibility and mobility of natural dermal armors to enhance the maneuverability of man-made armor by imitating the following mechanisms : (1) 3D interlocking; (2) interconnectivity; (3) hierarchical structure; (4) structural toughening mechanisms. The motive of this research is to examine the flexible dermal armors that Mother Nature has offered. The innate structure and mechanical properties of osteoderms in the following animals have been investigated: armadillo, alligator, and leatherback sea turtle. All these animals have one commonality: they have bony plates embedded in their soft shell that make their skin flexible and compliant while also offering protection. Each of these animals has its own unique way with associated functional mechanisms to achieve this. First, the armadillo uses a flexible biological material, collagen, to connect the bony plates and to provide flexibility. Second, the osteoderms of an alligator have bone-toughening mechanisms to reinforce themselves from a predator's attack. Third, the leatherback sea turtle exhibits a zigzag suture design that incorporates interlocking methods into its armor that enables it to dive deep into the ocean (depth of 1200 meters). Mechanical tests, characterization, and analysis were performed to identify the principal mechanisms that provide both toughness and flexibility in the three different dermal armors. The damage mechanisms are connected to the microstructural characteristics. The toughness and flexibility of the natural designs were found to be quite remarkable.

Design of Biomimetic Armor Based on Strain Rate Sensitive Natural Dermal Armor

Author : Sean S. Ghods
Publisher :
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.:/5 (17 download)

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Book Synopsis Design of Biomimetic Armor Based on Strain Rate Sensitive Natural Dermal Armor by : Sean S. Ghods

Download or read book Design of Biomimetic Armor Based on Strain Rate Sensitive Natural Dermal Armor written by Sean S. Ghods and published by . This book was released on 2018 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: Elasmoid fish scales serve as a dermal armor and are a marvelous example of a biological composite in Nature that exhibits exceptional mechanical behavior. Their hierarchical microstructure consists of two distinct and primary regions across the thickness. The outermost layer is known as the limiting layer (LL) and consists of calcium deficient apatite and discrete, sparsely distributed collagen fibers. The second layer is the elasmodine and consists of lamella of uniaxially aligned collagen fibrils with significantly lower mineral content. As collagen is the major constituent of fish scales, they would be expected to exhibit a high degree of strain rate sensitivity. Therefore, an experimental evaluation of the strain rate sensitivity of elasmodine fish scales was conducted in uniaxial tension and transverse puncture loading arrangements. It is shown that across a broad range of strain rates in tension, from 104̄ to 102 s1̄, and ramp rates in transverse puncture, from 0.05 to 50 mm/s, the scales have an exponent for the toughness of 0.10 and 0.35, respectively. The mechanics of collagen depend heavily on intermolecular bonding. Based on their high collagen content, hydrogen bonding can extend across fibrils and interfaces of the lamellae. Thus, a polar solvent (ethanol) was introduced to scales to change the interface bonding and evaluate its effects on the scale’s mechanical behavior. In addition to the strain rate sensitivity, exposure of the scales to ethanol invoked significant increases in the elastic modulus, strength, and toughness across all loading rates. The largest increase noted was a 7X increase in the work to failure for transverse puncture loading. In an effort to apply these findings towards the development of new armors, novel “first-generation” composites were developed with features of the fish scale microstructure. Specifically, fibrous ultra-high molecular weight polyethylene composites were fabricated using Dyneema as a platform and reinforced selectively with alumina particles. The experimental materials were evaluated in the same transverse puncture loading format. The addition of alumina powder to the polymer fiber composite resulted in increases across the performance metrics measured, but not yet to the level achieved by the scales. These results show promise and merit further investigation in the development of composites that draw inspiration from natural dermal armor.

Design of Flexible Puncture Resistant Gloves Inspired by Natural Dermal Armors

Author : Anqi Lin
Publisher :
ISBN 13 :
Total Pages : 33 pages
Book Rating : 4.:/5 (1 download)

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Book Synopsis Design of Flexible Puncture Resistant Gloves Inspired by Natural Dermal Armors by : Anqi Lin

Download or read book Design of Flexible Puncture Resistant Gloves Inspired by Natural Dermal Armors written by Anqi Lin and published by . This book was released on 2017 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: For the purpose of providing protection against potential environmental and physical threats, many animal species have developed hierarchical and heterogeneous biological materials. In turn, scientists and engineers have been inspired by the design of these biological materials and are working to apply this knowledge to develop “biologically inspired” engineered materials and structures. For example, puncture resistant materials are developed to provide protection against needles, thorns and other sharp objects, which may pierce soft flesh. Many natural armors are designed to have high puncture resistance and high flexibility. Unfortunately, these two properties are usually hard to achieve at the same time since most hard materials are also very stiff. In this study, we evaluate the puncture resistance and flexibility of fish scale structures. Elasmoid fish scales possess a unique balance of stiffness, strength and low weight to provide protection against predators and not interfere with locomotion. In this investigation the biological design of fish scales is dissected and then applied to pursue improved material designs for puncture resistant gloves.

Dynamic Behavior of Soft and Hard Materials Volume 1

Author : R. Velmurugan
Publisher : Springer Nature
ISBN 13 : 9819960304
Total Pages : 537 pages
Book Rating : 4.8/5 (199 download)

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Book Synopsis Dynamic Behavior of Soft and Hard Materials Volume 1 by : R. Velmurugan

Download or read book Dynamic Behavior of Soft and Hard Materials Volume 1 written by R. Velmurugan and published by Springer Nature. This book was released on 2023-12-31 with total page 537 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprises the select peer-reviewed proceedings of the 13th International Symposium on Plasticity and Impact Mechanics (IMPLAST) 2022, which was held at Indian Institute of Technology, Madras, to commemorate the 80th birthday of Prof. N K Gupta, IIT, Delhi. It aims to provide a comprehensive and broad-spectrum picture of the state-of-the-art research and development in diverse areas, such as constitutive relations, theories of plasticity, stress waves in solids, earthquake loading, high-speed impact problems, fire and blast loading, structural crashworthiness and failure, mechanics of penetration and perforation, among others. The contents focus on aspects of large deformations and failure of materials, including metals, composites, cellular, geomaterials, or concrete, and structures resulting from quasi-static earthquake, fire, impact, or blast loading. This book is a valuable resource for researchers and professionals working in academia and industry in the areas of mechanical, materials, and aerospace engineering.

Issues in Geology and Mineralogy: 2013 Edition

Author :
Publisher : ScholarlyEditions
ISBN 13 : 1490109609
Total Pages : 946 pages
Book Rating : 4.4/5 (91 download)

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Book Synopsis Issues in Geology and Mineralogy: 2013 Edition by :

Download or read book Issues in Geology and Mineralogy: 2013 Edition written by and published by ScholarlyEditions. This book was released on 2013-05-01 with total page 946 pages. Available in PDF, EPUB and Kindle. Book excerpt: Issues in Geology and Mineralogy / 2013 Edition is a ScholarlyEditions™ book that delivers timely, authoritative, and comprehensive information about Hydrometallurgy. The editors have built Issues in Geology and Mineralogy: 2013 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Hydrometallurgy in this book to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Issues in Geology and Mineralogy: 2013 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.

Bioinspired Structures and Design

Author : Wole Soboyejo
Publisher : Cambridge University Press
ISBN 13 : 1107015588
Total Pages : 373 pages
Book Rating : 4.1/5 (7 download)

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Book Synopsis Bioinspired Structures and Design by : Wole Soboyejo

Download or read book Bioinspired Structures and Design written by Wole Soboyejo and published by Cambridge University Press. This book was released on 2020-09-17 with total page 373 pages. Available in PDF, EPUB and Kindle. Book excerpt: Human cortical bone as a structural material : Hierarchical design and biological degradation / Robert Ritchie and Elizabeth A. Zimmermann -- Bio-inspiration from nacre / Nima Rahbar and Sina Askarinejad -- Bio-inspiration from bamboo / Ting Tan and Wole Soboyejo.

Biological Materials Science

Author : Marc André Meyers
Publisher : Cambridge University Press
ISBN 13 : 113995220X
Total Pages : 647 pages
Book Rating : 4.1/5 (399 download)

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Book Synopsis Biological Materials Science by : Marc André Meyers

Download or read book Biological Materials Science written by Marc André Meyers and published by Cambridge University Press. This book was released on 2014-07-31 with total page 647 pages. Available in PDF, EPUB and Kindle. Book excerpt: Taking a unique materials science approach, this text introduces students to the basic concepts and applications of materials and biomedical engineering and prepares them for the challenges of the new interdisciplinary field of biomaterials science. Split into three sections - Basic Biology Principles, Biological Materials, and Bioinspired Materials and Biomimetics - it presents biological materials along with the structural and functional classification of biopolymers, bioelastomers, foams, and ceramic composites. More traditional biomimetic designs such as Velcro are then discussed in conjunction with new developments that mimic the structure of biological materials at the molecular level, mixing nanoscale with biomolecular designs. Bioinspired design of materials and structures is also covered. Focused presentations of biomaterials are presented throughout the text in succinct boxes, emphasising biomedical applications, whilst the basic principles of biology are explained, so no prior knowledge is required. The topics are supported by approximately 500 illustrations, solved problems, and end-of-chapter exercises.

Nanomedical Device and Systems Design

Author : Frank Boehm
Publisher : CRC Press
ISBN 13 : 0849374987
Total Pages : 783 pages
Book Rating : 4.8/5 (493 download)

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Book Synopsis Nanomedical Device and Systems Design by : Frank Boehm

Download or read book Nanomedical Device and Systems Design written by Frank Boehm and published by CRC Press. This book was released on 2013-11-18 with total page 783 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanomedical Device and Systems Design: Challenges, Possibilities, Visions serves as a preliminary guide toward the inspiration of specific investigative pathways that may lead to meaningful discourse and significant advances in nanomedicine/nanotechnology. This volume considers the potential of future innovations that will involve nanomedical devices and systems. It endeavors to explore remarkable possibilities spanning medical diagnostics, therapeutics, and other advancements that may be enabled within this discipline. In particular, this book investigates just how nanomedical diagnostic and therapeutic devices and systems might ultimately be designed and engineered to accurately diagnose and eradicate pathogens, toxins, and myriad disease states. This text utilizes an author conceptualized exemplar nanodevice and system, the Vascular Cartographic Scanning Nanodevice (VCSN), to explore various prospective design considerations that might facilitate and enable selected functionalities of advanced autonomous nanomedical devices. It showcases a diverse group of expert contributing authors, who describe actual laboratory-based research aimed at the advancement of nanomedical capabilities. It also articulates more highly conceptual nanomedical possibilities and visions relating to the implementation of nanomedical technologies in remote regions and the developing world, as well as nanomedicine in space applications, human augmentation, and longevity. Investigates nanomedical diagnostic and therapeutic strategies that might be applied in remote regions and the developing world Discusses how nanomedicine might be utilized in space applications, inclusive of spacesuits, spacecraft, future human habitats on the Moon and Mars, and deep space Covers how nanomedicine may be implemented in selected forms of human augmentation and toward the potentially radical extension of the human life span This book benefits undergraduate and graduate students who are studying nanotechnology/nanomedicine, as well as medical administrative, scientific research, and manufacturing professionals in this industry.

Protective Textiles from Natural Resources

Author : Md. Ibrahim H. Mondal
Publisher : Woodhead Publishing
ISBN 13 : 0323904785
Total Pages : 966 pages
Book Rating : 4.3/5 (239 download)

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Book Synopsis Protective Textiles from Natural Resources by : Md. Ibrahim H. Mondal

Download or read book Protective Textiles from Natural Resources written by Md. Ibrahim H. Mondal and published by Woodhead Publishing. This book was released on 2022-06-15 with total page 966 pages. Available in PDF, EPUB and Kindle. Book excerpt: Protective Textiles from Natural Resources provides systematic coverage of the fundamentals, production methods, processing techniques, characterization techniques, properties and applications of natural textile products for protective purposes. The subject of this book is an important kind of technical textile designed to protect the wearer from injuries, illness and death. They offer enhanced protection against phenomena including heat, cold, flame, chemical, biological, nuclear agents, radiation, disaster and even ballistics. As no single type of clothing can be adequate for all kinds of protection, extensive research is carried out to develop protective clothing for specialized civilian and military applications. The latest research on the use of natural fibres in PPE is also covered, which could make a significant contribution to the fight against the spread of COVID-19. This comprehensive guide explores a wide variety of themes from material processing and design to finished products, through protection against specific hazards to specific applications, including all significant new developments on natural materials for protective textiles. Explains the latest technologies related to fibre extraction from natural sources, chemical treatments, weave constructions, fabric finishes and coatings. Includes the latest research on natural fibers in personal protective equipment (PPE) to protect wearers from bacterial and viral contamination. Explains the state of the art in testing methods and standards for protective clothing.

Advances in Healthcare and Protective Textiles

Author : Shahid Ul Islam
Publisher : Elsevier
ISBN 13 : 0323998348
Total Pages : 568 pages
Book Rating : 4.3/5 (239 download)

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Book Synopsis Advances in Healthcare and Protective Textiles by : Shahid Ul Islam

Download or read book Advances in Healthcare and Protective Textiles written by Shahid Ul Islam and published by Elsevier. This book was released on 2023-02-09 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Healthcare and Protective Textiles addresses technologies that have had a major impact in industry for decades, but which are currently attracting unprecedented attention due to their applications in the fight against the Coronavirus epidemic. Recent advances in textile technology have opened new possibilities for textile researchers and scientists in antiviral textiles, flame-retardant textiles, antimicrobial textiles, insect repellent textiles, breathable medical textiles, aroma-protective textiles, high tech-textiles, smart textiles, nano textiles, and more. This book provides systematic and comprehensive coverage of cutting-edge research and developments on material design, methodologies, characterizations, processes, properties and applications of medical healthcare and protective textiles. In addition, sections pay special attention to advanced fabrication methodologies and materials used in apparel engineering. Provides a thorough review of recent advances in personal protective equipment (PPE) design and manufacture in response to the requirements of the fight against Coronavirus Gives advice on improving sustainability through the use of reusable and recyclable medical textiles Explores innovative materials like biopolymers and their applications in medical textiles

Mechanics and Physics of Fracture

Author : Laurent Ponson
Publisher : Springer Nature
ISBN 13 : 3031183401
Total Pages : 290 pages
Book Rating : 4.0/5 (311 download)

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Book Synopsis Mechanics and Physics of Fracture by : Laurent Ponson

Download or read book Mechanics and Physics of Fracture written by Laurent Ponson and published by Springer Nature. This book was released on 2023-03-31 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: The volume provides a comprehensive understanding of the macroscopic failure behavior of solids from the description of the microscopic failure processes and their coupling with the microstructure. Several fundamental questions were addressed: the relation between the microstructural features of materials and their fracture properties and crack trajectories; the role of damage mechanisms and non-linear deformations near the crack tip on the failure behavior of solids; and finally the role of dynamic inertial effects during fast fracture was more briefly evoked. The chapters provide a pedagogical overview of recently developed concepts and tools, that permit to perform the transition from small scales to large ones in fracture problems, thus introducing basic rules for the rational design of tough solids.

Biomimetic and Biohybrid Systems

Author : Fabian Meder
Publisher : Springer Nature
ISBN 13 : 3031395042
Total Pages : 411 pages
Book Rating : 4.0/5 (313 download)

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Book Synopsis Biomimetic and Biohybrid Systems by : Fabian Meder

Download or read book Biomimetic and Biohybrid Systems written by Fabian Meder and published by Springer Nature. This book was released on 2023-07-31 with total page 411 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the proceedings of the 12th International Conference on Biomimetic and Biohybrid Systems, Living Machines 2022, in Genoa, Italy, held in July 19–22, 2022. The 44 full papers and 14 short papers presented were carefully reviewed and selected from 67 submissions. They deal with research on novel life-like technologies inspired by the scientific investigation of biological systems, biomimetics, and research that seeks to interface biological and artificial systems to create biohybrid systems. The conference aims to highlight the most exciting research in both fields united by the theme of “Living Machines.”

Biomimicry for Materials, Design and Habitats

Author : Marjan Eggermont
Publisher : Elsevier
ISBN 13 : 0128210540
Total Pages : 591 pages
Book Rating : 4.1/5 (282 download)

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Book Synopsis Biomimicry for Materials, Design and Habitats by : Marjan Eggermont

Download or read book Biomimicry for Materials, Design and Habitats written by Marjan Eggermont and published by Elsevier. This book was released on 2022-02-21 with total page 591 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biomimicry for Materials, Design and Habitats: Innovations and Applications and is a survey of the recent work of recognized experts in a variety of fields who employ biomimicry and related paradigms to solve key problems of interest within design, science, technology, and society. Topics covered include innovations from biomimicry in materials, product design, architecture, and biological sciences. The book is a useful resource for educators, designers, researchers, engineers, and materials scientists, taking them from the theory behind biomimicry to real world applications. Living systems have evolved innovative solutions to challenges that humans face on a daily basis. Nonlinear multifunctional systems that have a symbiotic relationship with their environment are the domain of nature. Morphological solutions for buildings inspired by nature can be used for skins, surfaces, and structures to facilitate environmental adaptation of buildings to increase occupant comfort and reduce energy demands. Birds can teach us to produce novel structures, 3D printing can be informed by oysters and mussels, and mycelium may show us the way to fabricate new biocomposites in architecture. Therefore, it is in nature that we seek inspiration for the solutions to tomorrow’s challenges. Presents new directions in education and the various applications of biomimicry within industry, including bio-inspired entrepreneurship Discusses the role of biomimicry in education, innovation, and product design Covers applications in systems engineering and design, novel materials with applications in 3D printing, and bio-inspired architecture Includes perspectives on sustainability detailing the role that bio-inspiration or biomimicry plays in sustainability

Blast Mitigation Strategies in Marine Composite and Sandwich Structures

Author : Srinivasan Gopalakrishnan
Publisher : Springer
ISBN 13 : 9811071705
Total Pages : 477 pages
Book Rating : 4.8/5 (11 download)

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Book Synopsis Blast Mitigation Strategies in Marine Composite and Sandwich Structures by : Srinivasan Gopalakrishnan

Download or read book Blast Mitigation Strategies in Marine Composite and Sandwich Structures written by Srinivasan Gopalakrishnan and published by Springer. This book was released on 2017-12-14 with total page 477 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book primarily focuses on methodologies to enable marine structures to resist high velocity impact loadings. It is based on invited talks presented at the recent India–USA workshop on “Recent Advances in Blast Mitigation Strategies in Civil and Marine Composite Structures” The book comprises content from top researchers from India and the USA and covers various aspects of the topic, including modeling and simulation, design aspects, experimentation and various challenges. These failure modes significantly reduce the structural integrity of the marine structures unless they are designed to resist such harsh loadings. Understanding the mechanics of these structures under harsh loadings is still an open area of research, and the behavior of these structures is not fully understood. The book highlights efforts to reduce the effects of blast loadings on marine composite structures. Intended for researchers/scientists and practicing engineers, the book focuses not only the design and analysis challenges of marine composite structures under such harsh loading conditions, but also provides new design guidelines.

Homo Transformans

Author : Mary Elizabeth Ames
Publisher : Xlibris Corporation
ISBN 13 : 1543480144
Total Pages : 424 pages
Book Rating : 4.5/5 (434 download)

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Book Synopsis Homo Transformans by : Mary Elizabeth Ames

Download or read book Homo Transformans written by Mary Elizabeth Ames and published by Xlibris Corporation. This book was released on 2018-03-29 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: This story describes a new species of human, Homo transformans, and conflicts that arise from their ability to transform into different animal species including apex predators. Gene functions and the (imaginary) genetics of transformation support an innovative story of how some Homo sapiens became Homo transformans. The narrative describes the clash between morally corrupt organizations that use the capabilities of H. transformans to achieve dominance and the groups that defend and support them. Two factions emerge to determine the fate of the new species. In the end, the species defenders must face their mortal enemy in a battle they cannot win.

Tankful Armadillo, A

Author : Chris Mills
Publisher : TEACH Services, Inc.
ISBN 13 : 1479607363
Total Pages : 24 pages
Book Rating : 4.4/5 (796 download)

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Book Synopsis Tankful Armadillo, A by : Chris Mills

Download or read book Tankful Armadillo, A written by Chris Mills and published by TEACH Services, Inc.. This book was released on with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fred wakes up one morning excited to work on his new swimming pool, but something unexpected happens. He stumbles upon an armadillo den! Fred quickly realizes that the three baby armadillos are more than he bargained for, and he turns to Andrea White, an experienced animal rehabilitator, for help. Tank, Hank, and Frank, the three armadillos, are very happy in Andrea’s care. They stay warm under the heat lamp when they sleep and swim and play in the water when they’re awake. Life couldn’t get much better! But the good times take a turn for the worse when a terrible storm hits the area. Will Tank and his brothers survive? A "Tankful" Armadillo shows how important it is to take care of God’s precious animals and how invaluable people like Andrea are, especially when animals need a lot of extra help.

Green Materials Engineering

Author : Shadia Ikhmayies
Publisher : Springer
ISBN 13 : 3030103838
Total Pages : 297 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis Green Materials Engineering by : Shadia Ikhmayies

Download or read book Green Materials Engineering written by Shadia Ikhmayies and published by Springer. This book was released on 2019-02-18 with total page 297 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is focused on the engineering of green materials, which comprise natural composites, bio-inspired armors, waste-added clay ceramics, lignocellulosic fibers, and biodegradable polymers.