Characterization of Deformation and Failure of Stainless Steel Welds PDF Download
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Author: Publisher: ISBN: Category : Languages : en Pages : 11
Book Description
Kolsky bar experiments have been used to determine the high-strain-rate response of AL6XN welds - including the base material, the heat-affected zone, and the weld. A finite element model for analyzing ductile fracture near the weld as been developed and implemented as a material routine VUMAT in ABAQUS/Explicit. The FE model involves a Gurson-type constitutive description for porous materials, combined with a microstructural length scale and an upper pound approach for modeling the onset and evolution of void coalescence. This model appears to provide a promising description of dynamic failure of butt-welded stainless steel plates. In a second investigation, pressure-shear plate impact experiments have been used to determine the shearing resistance of an epoxy and two vinyl esters at strain rates of 100,000/sec. This shearing resistance has been shown to increase significantly with increasing pressure.
Author: Publisher: ISBN: Category : Languages : en Pages : 11
Book Description
Kolsky bar experiments have been used to determine the high-strain-rate response of AL6XN welds - including the base material, the heat-affected zone, and the weld. A finite element model for analyzing ductile fracture near the weld as been developed and implemented as a material routine VUMAT in ABAQUS/Explicit. The FE model involves a Gurson-type constitutive description for porous materials, combined with a microstructural length scale and an upper pound approach for modeling the onset and evolution of void coalescence. This model appears to provide a promising description of dynamic failure of butt-welded stainless steel plates. In a second investigation, pressure-shear plate impact experiments have been used to determine the shearing resistance of an epoxy and two vinyl esters at strain rates of 100,000/sec. This shearing resistance has been shown to increase significantly with increasing pressure.
Author: Ninshu Ma Publisher: Elsevier ISBN: 0123948207 Category : Technology & Engineering Languages : en Pages : 313
Book Description
Generally, welding produces welding deformation and residual stress in the products, which influences the quality and performance of the products. Although many engineers and researchers have made great effort how to control these incidents, they have still remained unresolved. Welding Deformation and Residual Stress Prevention provides a unique computational approach to the prediction of the effects of deformation and residual stress on materials. The goal is to provide engineers and designers with the ability to create their own computational system for predicting and possibly avoiding the problem altogether. - The basic theories including "theory of elastic-plastic analysis" and "inherent strain theory" , and analysis procedures are described using a simple three-bar model - Online simulation software to perform basic analysis on welding mechanics - Examples of strategic methods and procedures are illustrated to have solved various welding-related problems encountered in the process of construction - Appendices present data bases for welding residual stresses, temperature dependent material properties, etc.
Author: Khlefa Alarbe Esaklul Publisher: ASM International ISBN: 9780871704955 Category : Technology & Engineering Languages : en Pages : 608
Book Description
Presents more than 120 expert failure analysis case histories from industries including automotive, aerospace, utilities, oil and gas, petrochemical, biomedical, ground transportation, off-highway vehicles, and more. Volume 2 builds on the tremendous acceptance of Volume 1 by the failure analysis community. The two volumes can also be purchased as a set for a special discounted price. Learn how others have investigated and solved failures in various industries involving a wide range of failure modes, materials, and analysis techniques.
Author: Yukio Ueda Publisher: Elsevier ISBN: 0123948045 Category : Architecture Languages : en Pages : 313
Book Description
Preface 1 Introduction to welding mechanics 2 Measurement and prediction of residual stresses by inherent strain method 3 Basic knowledge on simulation analysis for welding thermal process, stress and deformation 4. Basic Concept of Finite Element Method 5 Questions and Answers of attached FEM programs 6 Experience simulation using attached FEM programs 7 Simulation Analysis of welding stresses and deformation for manufacturing problems Appendix A Tables and figures of welding residual stresses in various welded joints Appendix B Temperature dependent material properties and samples for FEM simulation Appendix C Three dimensional mathematical equations for thermal elastic plastic creep phenomena.
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Author: Ninshu Ma
Author: Huang Guoliang
Author: William H. Smith
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Author: Khlefa Alarbe Esaklul
Author: Brian Sidle
Author: Yukio Ueda
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