| 氢氚对不锈钢力学性能的影响 |
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| 引用本文： | 任大鹏,邹觉生,倪然夫,陈锡瑶.氢氚对不锈钢力学性能的影响[J].兵器材料科学与工程,2002,25(1):31-34. |
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| 作者姓名： | 任大鹏 邹觉生 倪然夫 陈锡瑶 |
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| 作者单位： | 中国工程物理研究院,四川,绵阳,621900 |
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| 摘 要： | 研究了经高压气相充氢氚并经5a存放后的3种奥氏体不锈钢1Cr18Ni9Ti, HR-1, HR- 2力学性能和断裂特征.经这种处理后,1Cr18Ni9Ti, HR-1, HR-2的断面收缩率分别下降36% , 12%, 13%.不锈钢1Cr18Ni9Ti呈现明显脆断特征, HR-1和HR-2的断裂方式表现为具有较多韧窝的韧致断裂.经计算,氦的浓度相对于氚的浓度要低.本实验中,室温下拉伸时,氢氚对材料力学性能的影响主要来自氢氚和衰变产生氦的综合作用.
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| 关 键 词： | 不锈钢 高温气相充氢氚 力学性能 氢脆 |
| 文章编号： | 1004-244X(2002)01-0031-04 |
| 修稿时间： | 2001年7月9日 |
Effect of hydrogen and tritium on mechanical properties of st ainless steel |
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| REN Da-peng,Zou Jue-sheng,NI Ran-fu,CHEN Xi-yao.Effect of hydrogen and tritium on mechanical properties of st ainless steel[J].Ordnance Material Science and Engineering,2002,25(1):31-34. |
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| Authors: | REN Da-peng Zou Jue-sheng NI Ran-fu CHEN Xi-yao |
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| Abstract: | After being charged with hydrogen and tritium gases at high-pressure and kept for 5 years, the mechanical properties and fracture characteristics of three kinds of austenitic stainless steels of 1Cr18Ni9Ti, HR-1 and HR-2 were investigated. After being treated with the way, the reductions of area of 1Cr18Ni9Ti, HR-l and HR-2 decreased to previous 64%,88% and 87%, respectively. 1Cr18Ni9Ti steel shows obvious brittle rupture failure characteristics, while HR-1 and HR-2 steels present ductile fracture features with many dimples. The calculated results show that the concentration of helium is lower than tritium. In this experiment, when the samples were tensioned, the effect of hydrogen and tritium on the mechanical properties of the steels came mainly from the comprehensive action of hydrogen, tritium and helium produced from decay. |
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| Keywords: | stainless steel charging with hydrogen and tritium mechanical property hydrogen attack |
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