By Yilong Bai
“A primary and very popular text.” Dr invoice Proud Director, Institute of outrage Physics, Imperial collage London “This ebook will fill a spot for an introductory textual content on adiabatic shear, focusing on undergraduate and post-graduate point. The exposition of the topic is definitely balanced with all of the valuable elements: advent, modelling, mathematical points, numerical tools, experiments and applications.” Dr Theodoros Katsaounis affiliate Professor, collage of Crete “Professors Dodd and Bai are prime gurus within the box of adiabatic shear bands. i've got realized much from their 1992 booklet, and this one may be even better.” Prof Romesh C Batra Professor of Engineering technology & Mechanics Virginia Tech college, united states Adiabatic shear bands are present in numerous metals and different fabrics; they reason fast weakening as a result of power focus into slender areas of the fabric. this can be the first actual publication in this very important subject and the single actual advent to the topic. An improved and up-to-date student-friendly version of the authors' 1992 booklet Adiabatic Shear Localization: prevalence, Theories and purposes, this seminal textual content now comprises crucial additional studying sections in a few chapters. It explains adiabatic shear bands in a descriptive instead of a mathematical method, with a 'quick reference' part for readers short of a extra speedy creation. totally finished, the reader can dip into the chapters as matches his or her direction fabric or learn. while you are a postgraduate fabrics scientist, engineer, physicist, metallurgist, or certainly any researcher in fabrics that suffer speedy deformation and failure, this article isn't to be ignored.
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Additional info for Adiabatic Shear Localization
89] found a clear relation between the ballistic performance of titanium alloys and their adiabatic shear properties under dynamic compression/shear loading. Wei et al.  investigated a tungsten heavy metal alloy with differently inclined cylindrical compression/shear specimens. The aim of this investigation was to find the influence of pre-deformation on the susceptibility of adiabatic shear failure tested in a Hopkinson pressure bar. With increasing pre-deformation, the susceptibility is increased.
8 Instrumental Hopkinson bar apparatus to produce white bands in a laboratory, according to Hartmann et al. . Latourte et al.  conducted dynamic torsion tests in a Hopkinson bar for a TRIP-120 and a HSLA-100 steel. A torsion specimen similar to that of Duffy and Chi  was used. The deformation behaviour could be depicted through photographs, and thus the evolution of shear band formation could be observed. The TRIP-120 steel shows a higher susceptibility to adiabatic shear failure than the HSLA-100 steel.
80] investigated the influence of heat treatment on adiabatic shear failure for AISI 4340 steel with a Hopkinson bar. The high-hardness specimen showed white etching band formation, and the highly tempered specimen showed no adiabatic shear failure. The same material was investigated by Odeshi et al.  with the influence of loading velocity. With higher loading velocity, the failure strain to fracture is decreased. Odeshi et al.  found white etching bands in 300 C and 400 C tempered AISI 4340-steel specimens; in 500 C tempered specimens, there was found a deformed, dark etching band; and in 600 C tempered specimens, only a deformation zone was detected.
Adiabatic Shear Localization by Yilong Bai