实验证明位错密度有两个量级差异的Ｆｅ－３％Ｓｉ单晶体的延－脆转变温度几乎不变，但与Ｆｅ－３％Ｓｉ多晶体的转变温度比较相去甚远。
The ductile-brittle transition temperature of Fe-3% Si single crystals under tensile tests with strain rate varying from 5 × 10~(-1) s~(-1) to 5 ×10~(-3) s~(-1) was investigated. It was shown that the transition temperature is nearly independent of the dislocation density difference of two order of magnitude, but quite different from that in Fe-3 % Si polycrystal.
参考文献
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| [6] | 哈宽富,王秀华.金属学报,1993 |
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