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首页> 外文期刊>Materials Science and Engineering >Shear-induced, solid-state joining of Ti-6Al-4V and Ti17 titanium alloys
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Shear-induced, solid-state joining of Ti-6Al-4V and Ti17 titanium alloys

机译：Ti-6Al-4V和Ti17钛合金的剪切诱导固态接合

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摘要

The role of shear strain during the solid-state joining of Ti-6Al-4V and Ti17 sheet materials by symmetric and asymmetric rolling was established. The mechanisms of interface-zone formation involved a combination of intermixing and inter-diffusion. Quantified by EDX analysis and TEM imaging, the interface-zone thickness was directly dependent on the level of shear strain. Post-joining tension and lap-shear measurements followed the same tendency, while annealing led to an opposite effect. For annealed samples, the decrease in interface-zone thickness with shear prestrain and the concomitant loss of strength was rationalized on the basis of recovery and recrystallization during heat treatment and, therefore, the elimination of rapid-diffusion paths.
机译：建立了剪切应变在Ti-6Al-4V和Ti17片材通过对称和不对称轧制进行固态连接过程中的作用。界面区域形成的机制涉及相互混合和相互扩散的组合。通过EDX分析和TEM成像进行定量，界面区域的厚度直接取决于剪切应变的水平。连接后的张力和搭接剪切测量遵循相同的趋势，而退火则产生相反的效果。对于退火样品，根据热处理过程中的恢复和重结晶，合理化了界面区域厚度随剪切预应变的减小以及随之而来的强度损失，因此消除了快速扩散路径。

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