典型文献
Effect of long-term aging treatment on the tensile strength and ductility of GH 605 superalloy
文献摘要：
Aging treatment is an effective way to optimize the mechanical properties of Co-based superalloys.In this study,commercial GH 605 superalloy was subjected to aging treatment at 650℃in a wide time range up to 1000 h.The effects of aging time on the tensile characteristics,microstructure evolution and mechanical properties were systematically investigated at room temperature(RT)and 900℃.The results showed that the volume fractions of M6C and M23C6 carbide increased with the aging time.After long-term aging treatment,the yield strength(YS)at RT was enhanced from 490.3 MPa to 805.9 MPa,while the alloy still had high tensile ductility(above 20％).Microscopic observations by transmission electron microscopy(TEM)indicated that the strengthening mechanism was related to carbide precipitation inside the grains and the change in the dislocation slipping mode.Moreover,long-term aging treatment can increase the elongation from 24.1％to 47.3％at 900℃accompanied by a slight increase of YS from 299.3 MPa to 313.9 MPa.Based on detailed microstructure analysis the strengthening mechanism can be attributed to the refined grains as well as carbide precipitation inside the grains and around the grain boundaries.
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中图分类号：
作者姓名：
Yixuan He;Xudong Liu;Chenxu Xing;Zhangchi Bian;Qing Zhou;Jun Wang;Haifeng Wang;Jinshan Li
作者机构：
State Key Laboratory of Solidification Processing,Northwestern Polytechnical University,710072,Xi'an,China;Center of Advanced Lubrication and Seal Materials,Northwestern Polytechnical University,710072,Xi'an,China;National Key Laboratory for Precision Hot Processing of Metals,Harbin Institute of Technology Harbin,150001,China
文献出处：
引用格式：
[1]Yixuan He;Xudong Liu;Chenxu Xing;Zhangchi Bian;Qing Zhou;Jun Wang;Haifeng Wang;Jinshan Li-.Effect of long-term aging treatment on the tensile strength and ductility of GH 605 superalloy)[J].自然科学进展·国际材料（英文）,2022(03):375-384
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AB值：
0.510949
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