| 位错密度对大块Fe－3％Si单晶延－脆转变温度的影响 |
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| 引用本文： | 鲍进生,杨成,哈宽富.位错密度对大块Fe－3％Si单晶延－脆转变温度的影响[J].金属学报,1995,31(5):197-200. |
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| 作者姓名： | 鲍进生 杨成 哈宽富 |
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| 作者单位： | 吉林大学 |
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| 摘 要： | 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。
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| 关 键 词： | 位错密度，延－脆转变温度，Fe－3％Si单晶 |
| 收稿时间： | 1995-05-18 |
| 修稿时间： | 1995-05-18 |
EFFECT OF DISLOCATION DENSITY ON DUCTILE-BRITTLE TRANSITION TEMPERATURE IN BULK Fe-3%Si SINGLE CRYSTALS |
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| BAO Jinsheng,YANG Cheng,HA Kuanfu.EFFECT OF DISLOCATION DENSITY ON DUCTILE-BRITTLE TRANSITION TEMPERATURE IN BULK Fe-3%Si SINGLE CRYSTALS[J].Acta Metallurgica Sinica,1995,31(5):197-200. |
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| Authors: | BAO Jinsheng YANG Cheng HA Kuanfu |
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| Affiliation: | BAO Jinsheng,YANG Cheng,HA Kuanfu(Jilin University,Changchun ) |
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| Abstract: | 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. |
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| Keywords: | dislocation density ductile-brittle transition temperature single crystal |
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