Dynamic Failure of Materials and Structures by Weinong W. Chen, Bo Song (auth.), Arun Shukla, Guruswami

By Weinong W. Chen, Bo Song (auth.), Arun Shukla, Guruswami Ravichandran, Yapa D.S. Rajapakse (eds.)

Dynamic Failure of fabrics and Structures discusses the subject of dynamic loadings and its impression on fabric and structural failure. considering dynamic loading difficulties are very tricky in comparison to their static counterpart, rather little is understood approximately dynamic habit of heterogeneous fabrics and constructions.

Topics coated contain the reaction of steel, ceramic in addition to polymeric composite fabrics to blast and surprise loadings, influence loadings and failure of novel fabrics less than extra managed dynamic rather a lot. those comprise reaction of sentimental fabrics which are vital in different functions yet have very restricted details to be had on their dynamic reaction. the subjects of dynamic fracture and fragmentation that experience reemerged lately have additionally been integrated. either experimental in addition to numerical features of fabric and structural reaction to dynamic a lot are discussed.

Written via numerous key specialists within the box, Dynamic Failure of fabrics and constructions will entice graduate scholars and researchers learning dynamic loadings inside of aerospace, mechanical and civil engineering, in addition to in physics and fabrics science.

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Specific examples are shown such as the isotropy of properties for swaged heavy W-base alloys, phase transformation under dynamic shear in pure iron, characterization of the thermomechanical coupling in pure tantalum, and finally, the applicability of the digital image correlation technique to the large-strain behavior of shape memory nickel–titanium alloy. The second part of this chapter concentrates on various aspects of adiabatic shear failure. Several fundamental questions are addressed such as a new energetic criterion for the onset of adiabatic shear, the sensitivity of this failure mechanism to hydrostatic pressure, and stress concentration effects.

Meas Sci Tech 6:443–446 Pervin F, Chen W (2009) Dynamic mechanical response of bovine gray matter and white matter brain tissues under compression. J Biomech 42:731–735 1 Dynamic Characterization of Soft Materials 27 Progelhof RC (1986) Impact measurement of low-pressure thermoplastic structural foam. In: Proceedings of instrumented impact testing of plastics and composite materials, Houston TX, ASTM, March 11–12, 1986, 105–116 Ramesh KT, Narasimhan S (1996) Finite deformations and the dynamic measurement of radial strains in compression Kolsky bar experiments.

We will now illustrate the point by reviewing briefly typical aspects of dynamic shear failure in various materials. 2 Selected Dynamic Shear Studies Using the SCS An early application of the SCS can be found in the study of 1018 steel, by Vural et al. (2003). The mechanical response of this material was studied over a range of strain rates of "P D 10 3 5 104 s 1 . An interesting outcome of this study was the observation of a marked softening effect for the SCS similar to that observed in conventional dynamic torsion tests (Cheng 1999), but not in conventional compression tests.

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