Zhang Wenquan, Dong Jianxin, Zhang Li, Xu Zhichao, Xie Xishan. Microstructural Stability after Long Time Aging in GH132(A-286) Superalloy[J]. Chinese Journal of Engineering, 1997, 19(5): 441-445. DOI: 10.13374/j.issn1001-053x.1997.05.006
Citation: Zhang Wenquan, Dong Jianxin, Zhang Li, Xu Zhichao, Xie Xishan. Microstructural Stability after Long Time Aging in GH132(A-286) Superalloy[J]. Chinese Journal of Engineering, 1997, 19(5): 441-445. DOI: 10.13374/j.issn1001-053x.1997.05.006
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Microstructural Stability after Long Time Aging in GH132(A-286) Superalloy

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  • The microstructure and the microstructural stability after long time aging(4×104 h) and short aging aging were invetigated on GH132 superalloy. The experimental results show that some brittle phases such as a phase and Laves phase are not observed both in long time aging at low temperature and short time aging at high temperature.However, γ' phase re-precipitation, coarsening and growth and η phase precipitation have been seen after short time aging in GH132 superalloy.
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