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Effect of Phosphorus on Mechanical Properties and Thermal Stability of Fine-grained GH761 Alloy |
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| Authors: | Shulin Yang ) Wenru Sun) Jianxi Wang) Zhimei Ge) Shouren Guo) Zhuangqi Hu) ) Institute of Metal Research Chinese Academy of Sciences Shenyang China ) Shenyang Liming Aero-engine Corporation Shenyang China |
| Affiliation: | Shulin Yang1,2),Wenru Sun1),Jianxi Wang2),Zhimei Ge2),Shouren Guo1) and Zhuangqi Hu1) 1) Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China 2) Shenyang Liming Aero-engine Corporation,Shenyang 110043,China |
| Abstract: | The effect of phosphorus on mechanical properties and thermal stability of fine-grained GH761 alloy has been investigated.The results show that,when the content of phosphorus is in the range of 0.0007-0.040,there are no significant effects on the tensile properties.Phosphorus strongly affects the stress rupture life.The content of 0.023 P results in the longest life in this experiment.Compared with that of the alloy with 0.0007 P,the life is increased more than 2 times in the alloy with 0.023 P.After ageing... |
| Keywords: | Phosphorus Fine-grained Mechanical properties Ageing Grain boundaries |
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