低温轧制制备纳米钛的力学性能

Q4 Materials Science 塑性工程学报 Pub Date : 2013-01-01 DOI:10.3969/J.ISSN.1007-2012.2013.06.003

Y. K. Li, F. Liu, G. Zheng

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引用次数: 0

摘要

对商品纯钛(CP-Ti)在液氮温度下进行低温轧制。采用x射线衍射(XRD)和透射电子显微镜(TEM)研究了样品的微观结构。采用纳米压痕法对低温轧制制备的Ti的力学性能进行了测试。实验结果表明，低温轧制后Ti的平均晶粒尺寸由57μm细化到75nm。纳米结构Ti的硬度高达3.36GPa。

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Mechanical properties of nanostructured titanium prepared by cryogenic rolling

Commercial-pure titanium(CP-Ti)was subjected to cryogenic rolling at liquid nitrogen temperatures.The microstructures of the samples were investigated by X-ray diffraction(XRD)and transmission electron microscopy(TEM).The mechanical properties of Ti prepared by cryogenic rolling were measured using nano-indentation.The experimental results showed that the mean grain size of Ti was refined from 57μm to 75nm after cryogenic rolling.The hardness of the nanostructured Ti is as high as 3.36GPa.

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