| 局部蠕变损伤的细观定义与量测 |
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| 引用本文： | 高庆,张南.局部蠕变损伤的细观定义与量测[J].西南交通大学学报,1992,5(6):52-60. |
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| 作者姓名： | 高庆 张南 |
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| 作者单位： | 西安交通大学应用力学研究所，西安交通大学应用力学研究所 |
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| 摘 要： | 研究了CH169高温合金蠕度损伤的非均匀性。通过蠕变损伤的金相微观分析，定义
了空洞损伤变量和显微硬度损伤变量，给出了两种变量间的关系式，按提出的细观蠕
度损伤定义建立了单轴局部蝠变损伤模型，分析表明，新模型有较好的预测能力。
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| 关 键 词： | 蠕变 局部损伤 细观 晶界空洞 显微硬度 |
Mesomechanics Definition and Measurement of Local Creep Damage |
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| Gao Qing,Zhang Nan Res.Inst.of Appl.Mech..Mesomechanics Definition and Measurement of Local Creep Damage[J].Journal of Southwest Jiaotong University,1992,5(6):52-60. |
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| Authors: | Gao Qing Zhang Nan ResInstof ApplMech |
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| Institution: | Gao Qing;Zhang Nan Res.Inst.of Appl.Mech. |
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| Abstract: | The non homogeneity of creep damage is investigated for GH169 alloy. Based on metalloscope observation, the void damage variable and the microhardness damage variable are defined, with the relationship between these two variables established. A uniaxial local creep damage model which has better predicting capacity is suggested. |
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| Keywords: | creep local damage submicroscopic grain boundary void microhardness |
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