| TiC 的高温塑性变形及其对TiC/Ni3Al 梯度材料循环耐热冲击损伤的影响 |
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| 引用本文： | 张联盟,李俊国,平井敏雄.TiC 的高温塑性变形及其对TiC/Ni3Al 梯度材料循环耐热冲击损伤的影响[J].复合材料学报,1999,16(4):8-12. |
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| 作者姓名： | 张联盟 李俊国 平井敏雄 |
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| 作者单位： | 1.武汉工业大学材料学院, 武汉 430070; |
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| 摘 要： | 实验测量了TiC 烧结体的高温塑性变形行为, 讨论了掺入Cr3C2 对TiC 高温塑性变形的影响, 结合TiC/Ni3A l 梯度材料的循环热冲击特性得出: TiC/Ni3A l 梯度材料有效热导率随循环次数增加呈下降趋势与TiC 的塑性变形行为密切相关, TiC 表面的纵向裂纹是由巨大的径向压应力引起的。
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| 关 键 词： | 高温塑性变形 梯度材料 热冲击 |
| 收稿时间： | 1998-03-21 |
| 修稿时间： | 1998-06-22 |
HIGH TEMPERATURE DUCTILITY OF TiC AND THE EFFECT ON CYCLIC THERMAL SHOCK DAMAGE OF TiC/Ni3Al FGM |
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| Zhang Lian-meng,Li Jun-guo,Hirai T.HIGH TEMPERATURE DUCTILITY OF TiC AND THE EFFECT ON CYCLIC THERMAL SHOCK DAMAGE OF TiC/Ni3Al FGM[J].Acta Materiae Compositae Sinica,1999,16(4):8-12. |
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| Authors: | Zhang Lian-meng Li Jun-guo Hirai T |
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| Affiliation: | 1.Institute for Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070;2.Institute for Materials Research, Tohoku University, Sendai, Japan |
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| Abstract: | The high temperature ductile deformation behavior of TiC sintered body with various content of Cr 3C 2 addition was investigated. The results show that the descending trend of the effective conductivity of TiC/Ni 3Al FGMs with the numbers of shock cycles relates closely to the ductile deformation behavior of TiC, and the vertical cracks appearing on the TiC surface is caused by large radial compressive stresses. |
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| Keywords: | high temperature ductile deformation functionally graded materials thermal shock |
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