Adiabatic Shear Localization by Yilong Bai PDF

By Yilong Bai

ISBN-10: 0080977812

ISBN-13: 9780080977812

“A basic and extremely popular text.” Dr invoice Proud Director, Institute of outrage Physics, Imperial collage London “This ebook 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 the entire precious parts: advent, modelling, mathematical features, numerical tools, experiments and applications.” Dr Theodoros Katsaounis affiliate Professor, college of Crete “Professors Dodd and Bai are major gurus within the box of adiabatic shear bands. i've got realized 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 as a result of strength focus into slim areas of the fabric. this can be the first actual e-book in this vital subject and the one actual creation to the topic. An more advantageous and up-to-date student-friendly variation of the authors' 1992 booklet Adiabatic Shear Localization: incidence, Theories and functions, this seminal textual content now contains crucial additional analyzing sections in a few chapters. It explains adiabatic shear bands in a descriptive instead of a mathematical means, with a 'quick reference' part for readers short of a extra swift creation. completely entire, the reader can dip into the chapters as fits his or her direction fabric or examine. while you are a postgraduate fabrics scientist, engineer, physicist, metallurgist, or certainly any researcher in fabrics that suffer quick deformation and failure, this article isn't really to be neglected.

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Example text

Therefore, it is possible to give a qualitative and a quantitative result for an evaluation of the propensity of materials for adiabatic shear failure. Meyer and Staskewitsch [84] investigated the influence of inclination of the compression/shear specimen to their shear-failure behaviour of TiÀ6AlÀ4V for drop-weight tower loading conditions. With increased inclination of the specimen, the ratio of shear to compressive load, the failure strain and the ultimate compressive strength are decreasing.

55 Assembly of the ‘pressure-shear plate experiment’, according to Clifton and Klopp [133] and Wright [9]. assembly is called a ‘pressure-shear plate experiment’. Klopp et al. 55). At an angle θ and the corresponding shear inducing velocity v0 under sufficiently high friction between the flyer, specimen and anvil, a shear stress will be induced in the material. The test material is fixed as a thin foil between the impactor and anvil. Through this small material thickness, very high strain rates can be reached, which are much higher than in a Hopkinson bar assembly, as stated in Klepaczko [134].

The strain-rate sensitivity is decreasing with increasing temperature, except at high strain rates where a damping mechanism by phonon viscosity is named as a reason for the sudden increase in rate sensitivity. 25 mm), but the shear zone homogeneity was worse. 47). 48) to investigate uranium. 46). 48B) has a narrower cross section for the shear zone obtained. 46 Double-shear specimen, according to Campbell and Ferguson [117]. 47 SHPB apparatus, according to Campbell and Ferguson [117]. 48 Double-shear specimen, according to Harding and Huddart [118].

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Adiabatic Shear Localization by Yilong Bai

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