Zhuangqi Hu
Academia Sinica
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Featured researches published by Zhuangqi Hu.
Materials Science and Engineering A-structural Materials Properties Microstructure and Processing | 1992
H.M. Wang; J.H. Zhang; Y.J. Tang; Zhuangqi Hu; Natsuo Yukawa; Masahiko Morinaga; Yoshinori Murata
Rapidly solidified MC (TiC type) carbide morphology and its evolution with solidification cooling rate were studied comprehensively for a laser-glazed hot-corrosion resistant single-crystal nickel-base superalloy. The rapidly solidified interdendritic MC carbide was found in flower-like or radially branching morphologies which are closely related to the solidification cooling rate. At a relatively low cooling rate (9 X 10(3) K s-1), the carbide takes up the flower-like morphology, in which a few thick plates grow radially from the central nucleus. As the cooling rate increases, the growth morphology changes from flower like to radially dendritic and finally to well-developed radially branching colonies. The growth mechanism of the rapidly solidified MC carbide was confirmed to be lateral growth from the ledges or steps existing on the growing interface. The branching of the well-developed highly branching carbide occurs from the twins or twin intersections on the advancing fronts.
Metallurgical transactions. A, Physical metallurgy and materials science | 1993
J. S. Zhang; Zhuangqi Hu; Yoshinori Murata; Masahiko Morinaga; Natsuo Yukawa
AbstractAs the first step to design and develop the new hot corrosion-resistant nickel-base single-crystal superalloys by thed-electrons alloy design theory (or the New PHACOMP), an evaluation of the phase stability of the modified hot corrosion-resistant IN738LC nickel-base superalloys (Ni-16Cr-9.5Al-4.0Ti-8.0-Co-0.55Nb-0.06Zr-0.05B-0.47C-(0~3)Ta-(0~3)W-(0~3)Mo (in atomic percent)) was conducted with the alloy design theory. The critical conditions for suppressing the precipitation of the brittle σ phase can be described by the electronic parameters
Materials Science and Engineering A-structural Materials Properties Microstructure and Processing | 1994
Y.Y. Li; Yong Liang; Fen Zheng; Zhuangqi Hu
Metallurgical transactions. A, Physical metallurgy and materials science | 1993
J. S. Zhang; Zhuangqi Hu; Yoshinori Murata; Masahiko Morinaga; Natsuo Yukawa
\overline {Mdt} \leqslant 0.991
Scripta Metallurgica | 1989
D.P. Yao; Y.Z. Zhang; Zhuangqi Hu; Y.Y. Li; C.X. Shi
Metallurgical and Materials Transactions B-process Metallurgy and Materials Processing Science | 1995
H. Q. Zhu; Zhuangqi Hu; Y. X. Zhu; S. R. Guo; H. R. Guan; C. X. Shi; Masahiko Morinaga; Y. Murata
and
Materials Science and Engineering A-structural Materials Properties Microstructure and Processing | 1999
Zheng Lu; Yongbo Xu; Zhuangqi Hu
Materials Science and Engineering A-structural Materials Properties Microstructure and Processing | 1992
Shunnan Zhang; Huafeng Yu; Tianxiang Zhang; Yaoxiao Zhu; Xiuzhen Ning; Zhuangqi Hu
\overline {Md\gamma } \leqslant 0.93
Materials at High Temperatures | 1992
Hongqun Zhu; Yajun Tang; Yingao Li; Yaoxiao Zhu; Zhuangqi Hu; C.X. Shi
Materials Science and Engineering A-structural Materials Properties Microstructure and Processing | 1989
J. Liu; Y.Y. Li; Zhuangqi Hu
0.93 which can be applied to thed-electrons alloy design of hot corrosion resistant nickel-base superalloys with high Cr contents.
