MECHANICAL BEHAVIOUR OF A SINGLE CRYSTAL SUPERALLOY DD32 - A COMPARISON WITH THE ALLOY SRR99

机译：单晶高温合金DD32的机械性能-与SRR99合金的比较

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Stress rupture and tensile properties of a single crystal superalloy DD32 are investigated comparing with the alloy SRR99. It is shown that the alloy DD32 offers an improved creep temperature capability of more than 60℃ at higher stresses. The γ′ precipitates in the stress ruptured samples were rafted to P-N type directional coarsening. The fracture mechanism of the stress ruptured samples was initiated from the micropores.

机译：与合金SRR99相比，研究了单晶高温合金DD32的应力断裂和拉伸性能。结果表明，DD32合金在较高应力下具有超过60℃的改善的蠕变温度性能。将应力破裂样品中的γ'沉淀物漂流至P-N型定向粗化。应力破裂样品的断裂机理是从微孔开始的。

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《Pacific Rim International Conference on Advanced Materials and Processing(PRICM 5) pt.1; 20041102-05; Beijing(CN)》|2004年|P.681-684|共4页
会议地点 Beijing(CN)
作者
YU Jinjiang; SUN Xiaofeng; JIN Tao; GUAN Hengrong; HU Zhuangqi;
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作者单位

Department of Superalloys, Institute of Metal Research, CAS, Shenyang, 110016, P. R. China;

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会议组织
原文格式 PDF
正文语种 eng
中图分类工程材料一般性问题;
关键词
single crystal superalloy; stress-rupture; rafting; fracture mechanism;

机译：单晶高温合金应力断裂漂流断裂机理;

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专利

1. 温度对镍基单晶高温合金SRR99持久各向异性行为的影响 [J] . 韩国明, 杨彦红, 于金江, 中国有色金属学报（英文版） . 2011,第008期
2. 温度对镍基单晶高温合金SRR99持久各向异性行为的影响 [J] . 韩国明, 杨彦红, 于金江, 中国有色金属学报：英文版 . 2011,第008期
3. High temperature thermo-mechanical and low cycle fatigue behaviors of DD32 single crystal superalloy [J] . Jinjiang Yu, Guoming Han, Zhaokuang Chu, Materials Science and Engineering . 2014,第jana13期

机译：DD32单晶高温合金的高温热机械和低周疲劳行为
4. Recrystallization of SRR99 single-crystal superalloy： Kinetics and microstructural evolution [J] . ZHANG Bing, LIU Changkui, HE Yuhuai, 稀有金属：英文版 . 2010,第003期

机译：SRR99单晶高温合金的再结晶：动力学和组织演变
5. Effect of recrystallisation on microstructural evolution and mechanical properties of single crystal nickel based superalloy CMSX-2 Part 2 - Creep behaviour of surface recrystallised single crystal [J] . C.-Y. Jo, H.-M. Kim Materials Science and Technology: MST: A publication of the Institute of Metals . 2003,第12期

机译：重结晶对单晶镍基高温合金CMSX-2的组织演变和力学性能的影响第2部分-表面重结晶单晶的蠕变行为
6. MECHANICAL BEHAVIOUR OF A SINGLE CRYSTAL SUPERALLOY DD32 - A COMPARISON WITH THE ALLOY SRR99 [C] . YU Jinjiang, SUN Xiaofeng, JIN Tao, Pacific Rim International Conference on Advanced Materials and Processing(PRICM 5) pt.1 . 2004

机译：单晶高温合金DD32的机械性能-与SRR99合金的比较
7. Thermo-mechanical fatigue of polycrystalline, directionally solidified and single crystal nickel base superalloys repaired by laser beam welding. [D] . Durocher, Jonathan. 2013

机译：通过激光束焊接修复的多晶，定向凝固和单晶镍基高温合金的热机械疲劳。
8. Lifing the Effects of Crystallographic Orientation on the Thermo-Mechanical Fatigue Behaviour of a Single-Crystal Superalloy [O] . Richard Smith, Robert Lancaster, Jonathan Jones, 2019

机译：晶体取向对单晶高温合金热机械疲劳行为的影响
9. Lifing the Effects of Crystallographic Orientation on the Thermo-Mechanical Fatigue Behaviour of a Single-Crystal Superalloy [O] . Richard Smith, Robert Lancaster, Jonathan Jones, 2019

机译：提升晶体取向对单晶超合金热机械疲劳行为的影响

MECHANICAL BEHAVIOUR OF A SINGLE CRYSTAL SUPERALLOY DD32 - A COMPARISON WITH THE ALLOY SRR99

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