1) room temperature contraction ratio of fracture surface
室温面缩率
2) Reduction of Area at High Temperature
高温断面收缩率
4) room temperature section
室温截面
1.
The room temperature section of the phase diagram of the Al-Sb-Sn ternary system was investigated mainly by x-ray diffraction, with aid of differential thermal microanalysis.
用ｘ射线粉末衍射法、辅以差热分析法研究了Ａｌ－Ｓｂ－Ｓｎ三元系合金相图的室温截面，该截面山５个单相区、７个两相区和３个三相区组成。
5) reduction in area
缩面率
6) area reduction,percentage of
断面缩率
补充资料：面缩率
reductionofarea：在拉伸试验中，试件被拉断后其最小横截面处的面积（Aˊ）与试件原横截面积（A0）之差对原横截面积的百分比，即（A0—Aˊ）/A0×100。
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参考词条