摘要
为研究低温冷轧工艺对商业纯钛(CP-Ti)组织和性能的影响,在液氮温区对商业纯钛TA2进行冷轧。利用X射线衍射(X-ray diffraction,XRD)、透射电镜(Transmission electron microscope,TEM)表征变形后的组织;使用纳米压痕技术研究其力学性能。结果表明,低温冷轧工艺能有效的将晶粒从57μm细化到75nm;细化后的纳米晶纯钛的硬度高达3.36GPa。
Commercial-pure titanium （CP-Ti） was subjected to cryogenic rolling at liquid nitrogen temperatures. The microstruc- tures 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.
出处
《塑性工程学报》
CAS
CSCD
北大核心
2013年第6期17-20,共4页
Journal of Plasticity Engineering
基金
深圳创新科技委员会基础研究资助项目
关键词
低温冷轧
组织结构
晶粒尺寸
硬度
cryogenic rolling
microstructure
grain size
hardness
