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和硫化物组成,形成的混合膜黏附性差,较易剥落. 关键词:TiAl金属间化合物;高温热腐蚀;烙融硫酸盐 中图分类号:TG 146.2; TG 172.6 文献标识码:A Effect of microstructure on hot corrosion behavior of TiAI intermetallics JIN Guang-xil, QIAO... behavior of as-cast and homogenized TiAl intermetallics w as studied in ( Na, K) S04 mixed melts at 900 0C, and the mechanism of the hot corrosion was discussed. The results show......
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INTERMETALLICS AS SUBSTITUTES FOR SUPERALLOYS Z.Y. Zhong1,D.Feng1,J.Zhang1 (1.High Temperature Materials Division, Central Iron and Steel Research Institute, Beijing 100081,China) Abstract:The application advances of TiAl, Ti3Al and Ni3Al base alloys were demonstrated by Central Iron and Steel Research Institute, China. The recent research progresses on improving the reliability of cast TiAl......
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Dynamic behavior and fracture mode of TiAl intermetallics with different microstructures at elevated temperatures ZAN Xiang1, HE Yue-hui2, WANG Yang3, XIA Yuan-ming3 1. School of Materials... to a mixture of transgranular and intergranular fractures, and finally to totally intergranular fracture. Key words: TiAl intermetallics; high strain rate; elevated temperature character; tensile properties......
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Analysis of electron structure of γ/a2 phase boundaries in ternary TiAl intermetallics KONG Fan-tao(孔凡涛), CHEN Yu-yong(陈玉勇) School of Materials Science and Engineering, Harbin Institute... electron structure of TiAl intermetallics containing site substitution elements. On this basis, the boundary condition of electron movement was employed in the improved Thomas-Fermi-Dirac (TFD) theory......