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首页> 外文期刊>Materials Science and Engineering >Thermal stability of ultrafine-grained commercial purity Ti and Ti-6Al-7Nb alloy investigated by electrical resistance, microhardness and scanning electron microscopy
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Thermal stability of ultrafine-grained commercial purity Ti and Ti-6Al-7Nb alloy investigated by electrical resistance, microhardness and scanning electron microscopy

机译:通过电阻,显微硬度和扫描电子显微镜研究了超细晶粒商业纯度Ti和Ti-6Al-7Nb合金的热稳定性

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摘要

Ultrafine-grained (UFG) commercial purity Ti and Ti-6Al-7Nb alloy produced by equal channel angular pressing (ECAP) were investigated in this study. In-situ electrical resistance measurements conducted on ultra-fine grained and coarse grained material during linear heating revealed different behaviors of UFG material. Electrical resistance measurements were capable to detect recovery and recrystallization processes in UFG material. Thermal stability of UFG structure was further investigated by microhardness measurements and scanning electron microscopy.
机译:本研究研究了等通道角向压制(ECAP)生产的超细(UFG)商业纯度Ti和Ti-6Al-7Nb合金。在线性加热过程中,对超细颗粒和粗颗粒材料进行的原位电阻测量显示了UFG材料的不同行为。电阻测量能够检测UFG材料中的恢复和再结晶过程。通过显微硬度测量和扫描电子显微镜进一步研究了UFG结构的热稳定性。

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