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EFFECT OF SOLIDIFICATION RATE ON MICRO-STRUCTURES OF DIRECTIONALLYSOLIDIFIED SUPERALLOY DZ22
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作者 Liu Zhongyuan Li Jianguo +3 位作者 Shi Zhengxing Fu Heiizhi,(Northwestern Polytechnical University, Xi’an, China, 710072)She Li chen rongzbang Wang Luohao(Beijing institute of Aeronautical Materials, Beijing, China, 100095) 《Chinese Journal of Aeronautics》 SCIE EI CAS CSCD 1995年第4期282-286,共5页
The effect of solidification rate on the microstructures of directionallysolidified superalloy DZ22 was studied with the help of a ZMLMC directionalsolidification apparatus which has a superhigh temperature gradient. ... The effect of solidification rate on the microstructures of directionallysolidified superalloy DZ22 was studied with the help of a ZMLMC directionalsolidification apparatus which has a superhigh temperature gradient. The results showthat the size and shapes of Y', (Y+Y') and MC change seriously with the increase in cool-ing rate. When the cooling rate is equal to 54.2K . s-1, Y' particles distnbute evenly;eutectic (Y+Y') in group block and MC in block are distributed in the interdendriticzone. 展开更多
关键词 heat resistant alloys MICROSTRUCTURE solidification. rates
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