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Shot Peening And Low Cycle Fatigue Of Titanium Alloys
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Book Synopsis Shot-peening and Low-cycle Fatigue of Titanium Alloys by : Yugang Li
Download or read book Shot-peening and Low-cycle Fatigue of Titanium Alloys written by Yugang Li and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: There are two problems when investigating the effects of shot-peening on fatigue process. The first one is characterizing residual stresses (RS) and strain hardening (WH) on the sample surface. The second one is the evolution of RS and WH during fatigue. In order to solve the first problem, this thesis proposes a “simultaneous function method” to measure RS and WH with nanoindentation. Accumulated plastic strain (PP) is used to represent WH. Then, by establishing functions of normalized indentation responses through a series of finite element method (FEM) simulations, normalized indentation responses obtained from nanoindentation experiments can be used to extract RS and PP values, assuming that the constitutive behavior is known. Although the simultaneous function method shows fairly high accuracy from a pure numerical view point, experiments performed on T40 commercial pure titanium are not completely satisfying. However, if the residual stress profile is known, the method can be used to derive the work hardening profile.In order to study the second problem, a series of strain-controlled fatigue tests are performed on Ti-18 alloy. Fatigue specimens of 4 material states, including raw, shot-peened, prestrained and prestrained + shot-peened, were tested under 3 different strain amplitudes over 100 cycles. X-ray diffraction tests on the sample surfaces showed that the RS relaxation and the cyclic softening increase together with the strain amplitude. IIT tests showed that shot-peening may induce a softening of the surface of Ti-18 alloy samples.
Book Synopsis Fretting Fatigue Behavior of Shot-Peened Titanium Alloy TI-6AL-4V Under Seawater Conditions by :
Download or read book Fretting Fatigue Behavior of Shot-Peened Titanium Alloy TI-6AL-4V Under Seawater Conditions written by and published by . This book was released on 2004 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fretting fatigue behavior of the shot-peened titanium alloy, Ti-6Al-4V, was investigated under a corrosive environment of synthetic seawater. Fretting fatigue tests were performed over a wide stress range to determine the effect of seawater at high and low cycle fatigue regimes. The results from this study showed: (1) seawater significantly reduces the fretting fatigue life of shot-peened Ti-6Al-4V at both high and low cycle fatigue relative to its counterpart in ambient laboratory conditions, (2) shot peening increases the fretting fatigue life of Ti-6Al-4V when tested under dry and seawater conditions relative to its counterpart of unpeened Ti-6Al-4V, (3) surface debris from samples tested under seawater conditions contained large quantities of oxide and seawater contaminants, (4) cleaning after testing removed most of the oxide and seawater contaminants from the sample.
Book Synopsis Influence of Shot Peening on the Surface Hardness of TC11 Titanium Alloy after High Cycle Fatigue Test by :
Download or read book Influence of Shot Peening on the Surface Hardness of TC11 Titanium Alloy after High Cycle Fatigue Test written by and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Residual Stress, Micro- and Macrotexture in Surface-Enhanced Titanium Alloys: Their Nondestructive Inspection and Effects on High-Cycle Fatigue Properties by :
Download or read book Residual Stress, Micro- and Macrotexture in Surface-Enhanced Titanium Alloys: Their Nondestructive Inspection and Effects on High-Cycle Fatigue Properties written by and published by . This book was released on 2006 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: An acousto-elastic method was developed to estimate the residual stress and texture of a flat metal surface by simultaneous measurement of Rayleigh waves and surface skimming longitudinal waves (or P waves). The method showed promise in the successful recovery of surface residual stress in an AA 7076-T651 aluminum sample surface-treated by low plasticity burnishing. The effects of sandblasting and shot peening on a commercially pure titanium, a Ti-6Al-4V titanium alloy, and two Al-Cu aluminum alloys (AA 2026 and 2099) were investigated, and a theoretical analysis of the effects of micro-texture on the behavior of short fatigue crack growth was undertaken.
Download or read book Shot Peening written by Lothar Wagner and published by John Wiley & Sons. This book was released on 2006-05-12 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: Shot peening has been proved to be a powerful instrument in enhancing the resistance of materials to various kinds of stress-induced damage, particularly against damage due to cyclic loading (fatigue) in air or in aggressive environments. As shot peening can be used for a wide variety of structural components irrespective of shape and dimensions, the number of shot peening applications in many industrial branches is increasing. The use of peen forming as a technique to form large metal parts into complicated shapes is also increasing, particularly in the aerospace industry. The Conference covers all aspects of the Science, Technology and Application of Shot Peening, and was intended to attract users, manufacturers as well as scientists working in the field of "Materials Treatment by Shot Peening". Emphasis was put on the current state of knowledge and research. This book offers scientists and engineers an unique opportunity to update their knowledge on shot peening.
Book Synopsis Magnesium Alloys and Their Applications by : Barry L. Mordike
Download or read book Magnesium Alloys and Their Applications written by Barry L. Mordike and published by . This book was released on 1998 with total page 764 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Introduction to Unified Mechanics Theory with Applications by : Cemal Basaran
Download or read book Introduction to Unified Mechanics Theory with Applications written by Cemal Basaran and published by Springer Nature. This book was released on 2021-02-02 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text describes the mathematical formulation and proof of the unified mechanics theory (UMT) which is based on the unification of Newton’s laws and the laws of thermodynamics. It also presents formulations and experimental verifications of the theory for thermal, mechanical, electrical, corrosion, chemical and fatigue loads, and it discusses why the original universal laws of motion proposed by Isaac Newton in 1687 are incomplete. The author provides concrete examples, such as how Newton’s second law, F = ma, gives the initial acceleration of a soccer ball kicked by a player, but does not tell us how and when the ball would come to a stop. Over the course of Introduction to Unified Mechanics Theory, Dr. Basaran illustrates that Newtonian mechanics does not account for the thermodynamic changes happening in a system over its usable lifetime. And in this context, this book explains how to design a system to perform its intended functions safely over its usable life time and predicts the expected lifetime of the system without using empirical models, a process currently done using Newtonian mechanics and empirical degradation/failure/fatigue models which are curve-fit to test data. Written as a textbook suitable for upper-level undergraduate mechanics courses, as well as first year graduate level courses, this book is the result of over 25 years of scientific activity with the contribution of dozens of scientists from around the world including USA, Russia, Ukraine, Belarus, Spain, China, India and U.K.
Book Synopsis Fatigue Life Extension and the Effects of Laser Peening on 7050-T7451 Aluminum, 7085-T7651 Aluminum, and Ti-6Al-4V Titanium Alloys by : Harold Luong
Download or read book Fatigue Life Extension and the Effects of Laser Peening on 7050-T7451 Aluminum, 7085-T7651 Aluminum, and Ti-6Al-4V Titanium Alloys written by Harold Luong and published by . This book was released on 2006 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Influence of surface treatment on the fatigue properties of titanium and titanium alloys by : L. Thomassen, M.J. Sinnott, A.W. Demmler, Jr.
Download or read book The Influence of surface treatment on the fatigue properties of titanium and titanium alloys written by L. Thomassen, M.J. Sinnott, A.W. Demmler, Jr. and published by . This book was released on 1954 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Low-Cycle Fatigue of Titanium Alloys by : V. I. TSEITLIN
Download or read book Low-Cycle Fatigue of Titanium Alloys written by V. I. TSEITLIN and published by . This book was released on with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Finite Element Modelling of Shot Peening and Strengthening Mechanism Analysis by : Cheng Wang
Download or read book Finite Element Modelling of Shot Peening and Strengthening Mechanism Analysis written by Cheng Wang and published by Scientific Research Publishing, Inc. USA. This book was released on 2023-08-25 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: The service performance and life of metal parts are closely related to the surface integrity of materials. Shot peening (SP) is a well-known surface strengthening technique and is widely used for the improvement of the component surface integrity in industrial fields, such as aerospace,vehicle, construction machinery and etc. With the rapid development of science and technology, numerous new SP techniques have been developed from the conventional mechanical shot peening, such as the laser shock peening (LSP), ultrasonic shot peening (USP),surface mechanical attrition treatment (SMAT) and etc. Different from the other mechanical processing techniques, a considerable number of process parameters have an influence on the surface strengthening effects of shot-peened metal parts. Therefore, the selection of the SP process parameters with respect to the different metal parts has always been a challenge. With the rapid development of the computer technology, the numerical simulation has increasingly attracted the more and more attentions both from the academy and the industry. Compared to the experimental investigations, the numerical simulations are not only timesaving and economical, but also can provide an insight into the surface strengthening mechanisms of SP.
Book Synopsis Effects of Shot Peening Processing on the Fatigue Behavior of Three Aluminum Alloys and TI-AL-4V. by : James Campbell
Download or read book Effects of Shot Peening Processing on the Fatigue Behavior of Three Aluminum Alloys and TI-AL-4V. written by James Campbell and published by . This book was released on 2001 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fatigue strength of three shot-peened aluminum alloys (Al 7075-T651, Al 2024-T351 and Al 2014-T6) and a titanium alloy (Ti-6Al-4V) was measured to determine the differences in shot peening quality from three vendors that were given the same shot peening parameters. Shot peening produces surface roughness, a cold-worked layer and, most importantly, a residual stress layer that resists the propagation of fatigue cracks. Significant vendor-to-vendor differences in fatigue properties were found, with Vendor 1 giving the greatest fatigue lifetimes.
Book Synopsis Titanium and Titanium Alloys by : Christoph Leyens
Download or read book Titanium and Titanium Alloys written by Christoph Leyens and published by John Wiley & Sons. This book was released on 2006-03-06 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook is an excellent reference for materials scientists and engineers needing to gain more knowledge about these engineering materials. Following introductory chapters on the fundamental materials properties of titanium, readers will find comprehensive descriptions of the development, processing and properties of modern titanium alloys. There then follows detailed discussion of the applications of titanium and its alloys in aerospace, medicine, energy and automotive technology.
Book Synopsis Residual Stress by : Ismail C. Noyan
Download or read book Residual Stress written by Ismail C. Noyan and published by Springer. This book was released on 2013-03-07 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Low Cycle Fatigue Behavior of Titanium Alloys by : Brian Alfred Wilson
Download or read book Low Cycle Fatigue Behavior of Titanium Alloys written by Brian Alfred Wilson and published by . This book was released on 1972 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Temperature and Shot-peening Intensity on Fretting Fatigue Behavior of Titanium Alloy TI-6AL-4V by : Salman Albinali
Download or read book Effects of Temperature and Shot-peening Intensity on Fretting Fatigue Behavior of Titanium Alloy TI-6AL-4V written by Salman Albinali and published by . This book was released on 2005 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Gradient Microstructure in Laser Shock Peened Materials by : Liucheng Zhou
Download or read book Gradient Microstructure in Laser Shock Peened Materials written by Liucheng Zhou and published by Springer Nature. This book was released on 2021-06-12 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces the fundamentals and principles of laser shock peening (LSP) for aeronautical materials. It focuses on the innovation in both theory and method related to LSP-induced gradient structures in titanium alloys and Ni-based alloys which have been commonly used in aircraft industries. The main contents of the book include: the characteristics of laser shock wave, the formation mechanism of gradient structures and the strengthening-toughing mechanism by gradient structures. The research has accumulated a large amount of experimental data, which has proven the significant effectiveness of LSP on the improvement of the fatigue performance of metal parts, and related findings have been successfully applied in aerospace field. This book could be used by the researchers who work in the field of LSP, mechanical strength, machine manufacturing and surface engineering, as well as who major in laser shock wave and materials science.
