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《Physical Testing and Chemical Analysis(Part A:Physical Testing)》 2017-08
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Characterization of Relationship between Grain Size and Hardness of Large-Size Deformation FGH96 Superalloy Turbine Disk

LU Yuhua;WANG Peng;SHEN Xuejing;FU Rui;LI Fulin;LI Dongling;WANG Haizhou;Central Iron & Steel Research Institute;Beijing Key Laboratory of Metal Material Characterization,CISRI;  
The average grain size of the large-size nickel based deformation FGH96 superalloy turbine disk in radial direction was analyzed statistically,and the corresponding hardness was characterized.The results show that the grain size increased from the center to the edge of the disk,and the hardness showed a decreasing trend.In addition,from the center to the edge of the disk,local hardness was changed in numerical fluctuations,which was affected by the shape of the turbine disk.
【Fund】: 北京市科技计划资助项目(D161100002416002);; 国家重点研发计划材料基因工程关键技术与支撑平台资助项目(2016YFB0701401)
【CateGory Index】: TG132.3;V263
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