| 一种镍基单晶高温合金压缩蠕变强度的各向异性 |
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| 引用本文： | 沙玉辉,左良,张静华,徐永波,胡壮麒. 一种镍基单晶高温合金压缩蠕变强度的各向异性[J]. 金属学报, 2001, 37(11): 1142-1146 |
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| 作者姓名： | 沙玉辉 左良 张静华 徐永波 胡壮麒 |
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| 作者单位： | 东北大学材料与冶金学院,;中国科学院金属研究所 |
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| 基金项目： | 国家自然科学基金资助项目 59871052 |
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| 摘 要： | 研究了镍基单晶高温合金压缩蠕变强度的各向异性．结果表明,压缩蠕变强度的取向依赖性与温度有关,其由大到小的排序分别为：１０２３Ｋ－［１１０］,［１１１］,［００１］;１１２３Ｋ－［１１０］,［００１］,［１１１］,当蠕变速率小于８×１０－５ｓ－１时,［００１］与［１１０］间的各向异性减弱;１２２３Ｋ－［１１０］,［００１］,［１１１］,但［００１］与［１１０］间的各向异性变得非常弱,通过蠕变门槛应力分析,确定了上述取向在不同区域中的蠕变控制机制,拼据此解释了压缩蠕变强度的各向异性．
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| 关 键 词： | 镍基单晶高温合金 压缩蠕变强度 各向异性 门槛应力 |
| 文章编号： | 0412-1961(2001)011-1142-05 |
| 修稿时间： | 2001-01-04 |
ANISOTROPY OF COMPRESSION CREEP STRENGTH IN A NICKEL-BASE SINGLE CRYSTAL SUPERALLOY |
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| SHA Yuhui,),ZUO Liang),ZHANG Jinghua),XU Yongbo),HU Zhuangqi) ) School of Materials and Metallurgy,Northeastern University,Shenyang , ) State Key Laboratory for Fatigue and Fracture of Materials,The Chinese Academy of Sciences,Shenya. ANISOTROPY OF COMPRESSION CREEP STRENGTH IN A NICKEL-BASE SINGLE CRYSTAL SUPERALLOY[J]. Acta Metallurgica Sinica, 2001, 37(11): 1142-1146 |
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| Authors: | SHA Yuhui ) ZUO Liang) ZHANG Jinghua) XU Yongbo) HU Zhuangqi) ) School of Materials Metallurgy Northeastern University Shenyang ) State Key Laboratory for Fatigue Fracture of Materials The Chinese Academy of Sciences Shenya |
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| Affiliation: | SHA Yuhui1,2),ZUO Liang1),ZHANG Jinghua2),XU Yongbo2),HU Zhuangqi2) 1) School of Materials and Metallurgy,Northeastern University,Shenyang 110004, 2) State Key Laboratory for Fatigue and Fracture of Materials,The Chinese Academy of Sciences,Shenya |
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| Abstract: | |
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| Keywords: | nickel-base single crystal superalloy compression creep strength anisotropy threshold stress |
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