نتایج جستجو برای: crack initiation and propagation
تعداد نتایج: 16862037 فیلتر نتایج به سال:
Shear failure models have traditionally dominated the research on slab avalanche initiation in snow science, but evidence has accumulated that they tell us only part of the story. In these models weak snowpack layers are regarded as compounds of zero thickness, but in reality they often consist of ice grain aggregates of finite thickness and high porosity. When such granular aggregates fail, th...
It is well known that the mechanical properties of materials depend of the rolling direction, which means that the direction of specimen cutting affect the obtained values. This feature also exists in the welded joint, where the anisotropy is caused by direction of the deposit welded layers. One high-carbon steel is surface welded by flux-cored wire and specimens were cut in order to determine ...
We report on the in situ, time resolved, observation of solidification cracking in a thin sample of an Al-15wt%Sn alloy at ESRF BM05. During the experiment, solidification cracking was seen to occur during natural cooling of the sample at a solid fraction of ∼95%, between directionally agglomerated dendritic networks. Through detailed analysis, three stages of crack growth were observed: crack ...
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