Evolution of crystallographic texture during deformation of submicron grain size titanium

N.P. Gurao; Satyam Suwas

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Evolution of crystallographic texture during deformation of submicron grain size titanium

机译：亚微米晶粒尺寸钛变形过程中晶体织构的演变

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Evolution of deformation texture in commercially pure titanium with submicron grain size (SMG) was studied using x-ray diffraction (XRD) and electron back scatter diffraction (EBSD) methods. The material was deformed by rolling at room temperature. The deformation mechanism was found to be slip dominated with a pyramidal slip system facilitating plastic deformation. No evidence of tensile or compressive twinning was detected, as generally seen in the case of titanium with conventional microcrystalline grain size. The absence of twinning and the propensity of the pyramidal slip system in the SMG Ti is attributed to the lack of coordinated motion of zonal partial dislocations that leads to twinning.

机译：使用X射线衍射（XRD）和电子背散射衍射（EBSD）方法研究了商业纯钛具有亚微米粒度（SMG）时变形织构的演变。通过在室温下轧制使材料变形。发现变形机理是由锥体滑动系统主导的滑动，从而有利于塑性变形。没有检测到拉伸孪生或压缩孪生的迹象，通常在具有常规微晶晶粒尺寸的钛的情况下可以看到。 SMG Ti中没有孪晶和金字塔型滑移系统的倾向是由于缺乏导致孪晶的带状局部位错的协调运动所致。

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来源
《Journal of Materials Research》 |2011年第4期|p.523-532|共10页
作者
N.P. Gurao; Satyam Suwas;
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作者单位

Department of Materials Engineering, Indian Institute of Science, Bangalore, 560012, India;

Department of Materials Engineering, Indian Institute of Science, Bangalore, 560012, India;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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正文语种 eng
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Evolution of crystallographic texture during deformation of submicron grain size titanium

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