Topic
Hydrostatic stress
About: Hydrostatic stress is a research topic. Over the lifetime, 1568 publications have been published within this topic receiving 37773 citations.
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TL;DR: In this article, a hydrogen concentration dependent cohesive zone model is presented for analysis of growth of external annular crack in round tensile specimen under internal and external hydrogen supply and a scheme is given to reduce three-dimensional problem for analysis by two-dimensional approximation.
29 citations
TL;DR: In this article, the suitability of Yld2003 yield criterion to describe the yield surface and forming limit under plane-stress condition for aluminum alloy AA6111-T43 is verified by the experimental data obtained from the literature.
29 citations
TL;DR: In this article, the Tsai-Wu tensor polynomial strength criterion for fiber composites was reduced from seven to five for composite materials that do not fail under practical levels of either hydrostatic or transverse pressure.
Abstract: It is shown that the number of required parameters for the Tsai-Wu tensor polynomial strength criterion for fiber composites can be reduced from seven to five for composite materials that do not fail under practical levels of either hydrostatic or transverse pressure. For these materials, the interactive strength parameters can be defined in terms of their commonly measured uniaxial or noninteracting strength parameters, thereby eliminating the need to conduct combined stress tests. The derived parameters are given by F12 = − F11/4 F23 = − F22 These parameters fall within the stability limits of the theory, yet they lead to open failure surfaces in the compressive stress quadrant. The assumptions used to derive the interactive parameters were supported by measurements that showed typical carbon fiber composites did not fail under significant levels of hydrostatic pressure or unequal transverse compression. Comparison with previous work where the interactive parameters had been determined from combined str...
29 citations
TL;DR: In this article, an analytical study of the dynamic plastic growth of microvoids under the combined action of hydrostatic and deviatoric stresses is presented, with the help of a numerical analysis of the void growth relationship derived, and applied to the case of spall fracture.
29 citations
TL;DR: In this paper, a specific dependency of elastic tensile stress on the hydrogen solubility is identified for martensitic steels, and the impact of elastic distortions on hydrogen solUBility from two different sources: internal stresses arising from heterogeneous microstructures and elastic fields around vacancy clusters.
29 citations