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首页> 外文期刊>Journal of Materials Research >Microstructures and mechanical properties of ultrafine-grained Ti foil processed by equal-channel angular pressing and cold rolling
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Microstructures and mechanical properties of ultrafine-grained Ti foil processed by equal-channel angular pressing and cold rolling

机译：等通道角向挤压冷轧超细晶Ti箔的组织和力学性能

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摘要

We processed coarse-grained Ti and equal-channel angular pressing (ECAP) processed ultrafine-grained (UFG) Ti into 20-μm-thick Ti foils by cold rolling and intermediate annealing. The foils produced from rolling the UFG Ti exhibit a homogeneous nanostructure, while foils produced from rolling the coarse-grained Ti exhibit heterogeneous structures with a mixture of nanostructured regions and coarse-grained regions. The former foils also have higher strength and ductility and exhibit uniform deformation over a larger strain range at room temperature than the latter ones. This work demonstrated the advantage and viability of producing nanostructured Ti foil by rolling ECAP-processed UFG Ti stock.
机译：我们通过冷轧和中间退火，将粗晶粒钛和等通道角压（ECAP）加工成超细晶粒（UFG）钛，制成20μm厚的钛箔。由轧制UFG Ti产生的箔表现出均一的纳米结构，而由轧制粗晶粒化Ti产生的箔表现出具有纳米结构区域和粗粒区域的混合物的异质结构。前者的箔还具有更高的强度和延展性，并且在室温下比后者的箔在更大的应变范围内表现出均匀的变形。这项工作证明了通过轧制ECAP处理的UFG Ti原料生产纳米结构Ti箔的优势和可行性。

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