Electromagnetic Nde Of Interstitial Contamination In Titanium Alloy Weldments

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Electromagnetic NDE of Interstitial Contamination in Titanium Alloy Weldments

Author : R. M. Rose
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (228 download)

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Book Synopsis Electromagnetic NDE of Interstitial Contamination in Titanium Alloy Weldments by : R. M. Rose

Download or read book Electromagnetic NDE of Interstitial Contamination in Titanium Alloy Weldments written by R. M. Rose and published by . This book was released on 1984 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: The direct effect of dissolved oxygen and other interstitials on the electrical resistivity of titanium alloys is generally small relative to the resistivity of the alloy itself. However, there are special cases where the microstructural effects (e.g., alpha precipitation of the oxygen may be large enough to cause detectable changes in the resistivity. We have measured this effect by four-point probe and ac susceptibility, in five Ti-6211 specimens and seven Ti-6Al-4V weldments provided by an ONR-sponsored project at M.I.T. In the forged and annealed Ti-6211 specimens, there was no detectable relationship between the resistivity/susceptibility and the oxygen content. On the other hand, the weld metal specimens did exhibit measurable oxygen sensitivity, approximately 7 percent of the base resistivity per pct. oxygen. Control experiments on the base metal from the weldments showed a resistivity variation of 1 percent or less. We conclude that microstructural effects of oxygen contamination on electrical resistivity of weldments are large enough to measure; these effects are wiped out by annealing. Thus, the resistivity/susceptibility method cannot be used generally on ti alloys regardless of history but is a valid and convenient specific approach to NDE of ti welds.

Scientific and Technical Aerospace Reports

Author :
Publisher :
ISBN 13 :
Total Pages : 1076 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1985 with total page 1076 pages. Available in PDF, EPUB and Kindle. Book excerpt:

NDE (Nondestructive Evaluation) of Oxygen Contaminated Titanium Alloys and Weldments

Author : H. H. Chaskelis
Publisher :
ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (228 download)

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Book Synopsis NDE (Nondestructive Evaluation) of Oxygen Contaminated Titanium Alloys and Weldments by : H. H. Chaskelis

Download or read book NDE (Nondestructive Evaluation) of Oxygen Contaminated Titanium Alloys and Weldments written by H. H. Chaskelis and published by . This book was released on 1984 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper provides an overview of progress made on the NDE of homogeneously contaminated Ti-6211 alloys. It discusses the future work that is needed to address the practical NDE problems which may arise in these alloys and their welds. Problem areas include inhomogeneity in the distribution of oxygen; the presence of their contaminants such as Co2, N2, H, etc.; critical flaw size relative to the grain size; and variations in the microstructure due to causes other than oxygen contamination.

Government Reports Announcements & Index

Author :
Publisher :
ISBN 13 :
Total Pages : 646 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Government Reports Announcements & Index by :

Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1985 with total page 646 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Evaluation of Interstitial Gas Contamination in Titanium Alloys Using Induced Magnetic Field Analysis

Author : K. J. Krzywosz
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (228 download)

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Book Synopsis Evaluation of Interstitial Gas Contamination in Titanium Alloys Using Induced Magnetic Field Analysis by : K. J. Krzywosz

Download or read book Evaluation of Interstitial Gas Contamination in Titanium Alloys Using Induced Magnetic Field Analysis written by K. J. Krzywosz and published by . This book was released on 1984 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of induced magnetic field and the resultant material reaction from titanium alloys containing interstitial gas contamination was evaluated. This presentation discusses the material conductivity changes noted as evaluation of five titanium specimens was conducted. The oxygen contamination levels in the specimens ranged from 0.075 percent by weight to 0.290 percent by weight. A quantitative evaluation was conducted with difficulty due to inhomogeneity of contamination levels noted from some of the evaluated specimens. Consequently, an averaged signal response from the specimen surface was necessary. The averaged signal response corresponding to material conductivity changes was then correlated to various levels of oxygen contamination. (Author).

Government Reports Annual Index

Author :
Publisher :
ISBN 13 :
Total Pages : 968 pages
Book Rating : 4.:/5 (3 download)

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Book Synopsis Government Reports Annual Index by :

Download or read book Government Reports Annual Index written by and published by . This book was released on 1985 with total page 968 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Government Reports Annual Index: Keyword A-L

Author :
Publisher :
ISBN 13 :
Total Pages : 976 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Government Reports Annual Index: Keyword A-L by :

Download or read book Government Reports Annual Index: Keyword A-L written by and published by . This book was released on 1985 with total page 976 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Studies of Interstitial Elements in Titanium Alloy Weldments

Author : W. J. Lepkowski
Publisher :
ISBN 13 :
Total Pages : 47 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis Studies of Interstitial Elements in Titanium Alloy Weldments by : W. J. Lepkowski

Download or read book Studies of Interstitial Elements in Titanium Alloy Weldments written by W. J. Lepkowski and published by . This book was released on 1961 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Metals Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 1454 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Metals Abstracts by :

Download or read book Metals Abstracts written by and published by . This book was released on 1985-07 with total page 1454 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Materials and Processes

Author : Barrie D. Dunn
Publisher : Springer
ISBN 13 : 3319233629
Total Pages : 677 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis Materials and Processes by : Barrie D. Dunn

Download or read book Materials and Processes written by Barrie D. Dunn and published by Springer. This book was released on 2015-12-29 with total page 677 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this book is to assist scientists and engineers select the ideal material or manufacturing process for particular applications; these could cover a wide range of fields, from light-weight structures to electronic hardware. The book will help in problem solving as it also presents more than 100 case studies and failure investigations from the space sector that can, by analogy, be applied to other industries. Difficult-to-find material data is included for reference. The sciences of metallic (primarily) and organic materials presented throughout the book demonstrate how they can be applied as an integral part of spacecraft product assurance schemes, which involve quality, material and processes evaluations, and the selection of mechanical and component parts. In this successor edition, which has been revised and updated, engineering problems associated with critical spacecraft hardware and the space environment are highlighted by over 500 illustrations including micrographs and fractographs. Space hardware captured by astronauts and returned to Earth from long durations in space are examined. Information detailed in the Handbook is applicable to general terrestrial applications including consumer electronics as well as high reliability systems associated with aeronautics, medical equipment and ground transportation. This Handbook is also directed to those involved in maximizing the relia bility of new materials and processes for space technology and space engineering. It will be invaluable to engineers concerned with the construction of advanced structures or mechanical and electronic sub-systems.

Aerospace Materials and Applications

Author : Biliyar N. Bhat
Publisher :
ISBN 13 : 9781624104886
Total Pages : 0 pages
Book Rating : 4.1/5 (48 download)

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Book Synopsis Aerospace Materials and Applications by : Biliyar N. Bhat

Download or read book Aerospace Materials and Applications written by Biliyar N. Bhat and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The present volume is focused on documenting the novel processing, fabrication, characterization, and testing approaches that are unique to aerospace materials/structures/systems"--Preface.

Welding Engineering

Author : David H. Phillips
Publisher : John Wiley & Sons
ISBN 13 : 111876644X
Total Pages : 308 pages
Book Rating : 4.1/5 (187 download)

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Book Synopsis Welding Engineering by : David H. Phillips

Download or read book Welding Engineering written by David H. Phillips and published by John Wiley & Sons. This book was released on 2016-02-16 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides an introduction to all of the important topics in welding engineering. It covers a broad range of subjects and presents each topic in a relatively simple, easy to understand manner, with emphasis on the fundamental engineering principles. • Comprehensive coverage of all welding engineering topics • Presented in a simple, easy to understand format • Emphasises concepts and fundamental principles

The Superalloys

Author : Roger C. Reed
Publisher : Cambridge University Press
ISBN 13 : 1139458639
Total Pages : 363 pages
Book Rating : 4.1/5 (394 download)

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Book Synopsis The Superalloys by : Roger C. Reed

Download or read book The Superalloys written by Roger C. Reed and published by Cambridge University Press. This book was released on 2008-07-31 with total page 363 pages. Available in PDF, EPUB and Kindle. Book excerpt: Superalloys are unique high-temperature materials used in gas turbine engines, which display excellent resistance to mechanical and chemical degradation. This book introduces the metallurgical principles which have guided their development. Suitable for graduate students and researchers, it includes exercises and additional resources at www.cambridge.org/9780521859042.

Training Guidelines in Non-destructive Testing Techniques

Author : International Atomic Energy Agency
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (13 download)

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Book Synopsis Training Guidelines in Non-destructive Testing Techniques by : International Atomic Energy Agency

Download or read book Training Guidelines in Non-destructive Testing Techniques written by International Atomic Energy Agency and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nondestructive Characterization of Materials II

Author : Jean F. Bussière
Publisher : Springer Science & Business Media
ISBN 13 : 1468453386
Total Pages : 750 pages
Book Rating : 4.4/5 (684 download)

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Book Synopsis Nondestructive Characterization of Materials II by : Jean F. Bussière

Download or read book Nondestructive Characterization of Materials II written by Jean F. Bussière and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 750 pages. Available in PDF, EPUB and Kindle. Book excerpt: The possibility of nondestructively characterizing the microstruc ture, morphology or mechanical properties of materials is certainly a fascinating subject. In principle, such techniques can be used at all stages of a material's life - from the early stages of processing, to the end of a structural component's useful life. Interest in the subject thus arises not only from a purely scientific point of view but is also strongly motivated by economic pressures to improve productivity and quality in manufacturing, to insure the reliability and extend the life of existing structures. The present volume represents the edited papers presented at the Second International Symposium on the Nondestructive Characterization of Materials, held in Montreal, Canada, July 21-23, 1986. The Proceedings are divided into eight sections, which reflect the multidisciplinary nature of characterizing materials nondestructively: Polymers and Composites, Ceramics and Powder Metallurgy, Metals, Layered Structures/Adhesive Bonds/Welding, Degradation/Aging, Texture/ Anisotropy, Stress, and New Techniques. Invited papers by R. Hadcock of Grumman Aircraft Systems, R. Cannon of Rutgers University, H. Yada of Nippon Steel and R. Bridenbaugh of Alcoa review respectively the processing of polymer matrix composites, ceramics, steel and aluminum, emphasizing the need for material property sensors to improve process and quality control. Two other invited papers, one by A. Wedgwood of Harwell and the other by P. Holler of the IzFP in Saarbrucken review state of the art techniques to characterize particulate matter and metals respectively.

Reactivity of Titanium with Oxygen

Author : W. A. Riehl
Publisher :
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Reactivity of Titanium with Oxygen by : W. A. Riehl

Download or read book Reactivity of Titanium with Oxygen written by W. A. Riehl and published by . This book was released on 1963 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study was undertaken to develop information on which a knowledgeable decision could be based concerning the use of titanium for construction of thin walled LOX tanks. The primary goals were to investigate the reactions of titanium alloys with oxygen under a variety of conditions associated with space vehicles, and to determine if the titanium could be treated or coated in some fashion to eliminate such hazards.

Electronic Properties of Materials

Author : Rolf E. Hummel
Publisher : Springer Science & Business Media
ISBN 13 : 3662024241
Total Pages : 323 pages
Book Rating : 4.6/5 (62 download)

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Book Synopsis Electronic Properties of Materials by : Rolf E. Hummel

Download or read book Electronic Properties of Materials written by Rolf E. Hummel and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 323 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present book on electrical, optical, magnetic and thermal properties of materials is in many aspects different from other introductory texts in solid state physics. First of all, this book is written for engineers, particularly materials and electrical engineers who want to gain a fundamental under standing of semiconductor devices, magnetic materials, lasers, alloys, etc. Second, it stresses concepts rather than mathematical formalism, which should make the presentation relatively easy to understand. Thus, this book provides a thorough preparation for advanced texts, monographs, or special ized journal articles. Third, this book is not an encyclopedia. The selection oftopics is restricted to material which is considered to be essential and which can be covered in a 15-week semester course. For those professors who want to teach a two-semester course, supplemental topics can be found which deepen the understanding. (These sections are marked by an asterisk [*]. ) Fourth, the present text leaves the teaching of crystallography, X-ray diffrac tion, diffusion, lattice defects, etc. , to those courses which specialize in these subjects. As a rule, engineering students learn this material at the beginning of their upper division curriculum. The reader is, however, reminded of some of these topics whenever the need arises. Fifth, this book is distinctly divided into five self-contained parts which may be read independently.