By Yilong Bai
“A primary and very popular text.” Dr invoice Proud Director, Institute of outrage Physics, Imperial collage London “This e-book will fill a niche for an introductory textual content on adiabatic shear, concentrating on undergraduate and post-graduate point. The exposition of the topic is definitely balanced with all of the valuable parts: advent, modelling, mathematical features, numerical equipment, experiments and applications.” Dr Theodoros Katsaounis affiliate Professor, collage of Crete “Professors Dodd and Bai are prime professionals within the box of adiabatic shear bands. i've got discovered much from their 1992 publication, and this one may be even better.” Prof Romesh C Batra Professor of Engineering technology & Mechanics Virginia Tech collage, united states Adiabatic shear bands are present in a number of metals and different fabrics; they reason quick weakening because of power focus into slim areas of the cloth. this can be the first actual publication in this vital subject and the one actual advent to the topic. An more advantageous and up-to-date student-friendly version of the authors' 1992 ebook Adiabatic Shear Localization: prevalence, Theories and functions, this seminal textual content now comprises crucial additional examining sections in a few chapters. It explains adiabatic shear bands in a descriptive instead of a mathematical approach, with a 'quick reference' part for readers short of a extra fast advent. completely entire, the reader can dip into the chapters as fits his or her path fabric or learn. while you're a postgraduate fabrics scientist, engineer, physicist, metallurgist, or certainly any researcher in fabrics that suffer swift deformation and failure, this article isn't to be overlooked.
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Extra info for Adiabatic Shear Localization
In the cylinder, a hoop stress will be induced. At the inner surface of the cylinder, large compression stresses shall appear, which induced a large plastic strain. Under this condition, adiabatic shear failure often initiates. This failure perhaps starts on the outer surface under the influence of tension stresses and propagates to the inner surface by changing the mode into an adiabatic shear band development. According to Bai and Dodd , aluminium and copper fail by a ductile mechanism, and titanium alloys and uranium alloys exhibit brittle failure behaviour at cylinder explosive tests.
48B) has a narrower cross section for the shear zone obtained. 46 Double-shear specimen, according to Campbell and Ferguson . 47 SHPB apparatus, according to Campbell and Ferguson . 48 Double-shear specimen, according to Harding and Huddart . For this behaviour, the increasing adiabatic condition is possible. The shear behaviour is more accurately expressed with the modified specimen. 46) as Campbell and Ferguson  and cited in ASM Handbook No. 49) with relatively high velocities with a tubular transmitter bar for a low-alloy steel.
43 Intender test arranged in a Hopkinson bar apparatus, according to Meyer and Manwaring . 44 Controlled-penetration impact apparatus: (A) before impact and (B) after impact, according to Irick et al. . speeds with a drop-weight tower as well as in a gas gun for high punching velocities. In both materials, they found transformed shear bands, which were examined concerning band width, strain and strain rate. 45). The results indicate that the 4340 steel conditions were susceptible to adiabatic shear failure, and the ARMCO iron and REMCO iron materials were not.