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Liu M.,Shenyang Zhongke Sannai New Materials Co. | Jiang W.,CAS Shenyang Institute of Metal Research | He H.,Shenyang Zhongke Sannai New Materials Co. | Ren X.,Shenyang Zhongke Sannai New Materials Co.
Tezhong Zhuzao Ji Youse Hejin/Special Casting and Nonferrous Alloys | Year: 2011

Double-turbine blade with complicated hollow structure was produced by investment casting. The results indicate that process of ceramic core making is simplified apparently by adopting silicon based ceramic core and assembling quartz tube, so quality of ceramic core is improved also. The qualified double-turbine blade with complicated hollow structure was manufactured with the ceramic core. Source


Shen J.,Shenyang University of Technology | Shen J.,CAS Shenyang Institute of Metal Research | Pu S.,University of Science and Technology Beijing | Pu S.,CAS Shenyang Institute of Metal Research | And 6 more authors.
Cailiao Yanjiu Xuebao/Chinese Journal of Materials Research | Year: 2012

Distribution of strain and subsequent recrystallization (RX) around indentation in a directionally solidified superalloy DZ125L have been investigated by electron back scatter diffraction (EBSD) and other experimental method. The results show that distribution of strain was extremely homogenous. Deformed area increased with increasing of the load, which resulted in the larger region of RX. According to the distribution of strain on the section of indentation and the critical strain of RX at a certain temperature tested by experiment, RX depth with different load at this temperature can be forecasted. © Copyright. Source

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