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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 8    No. 2    June 1998

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MICROSTRUCTURE AND MECHANICAL PROPERTIES OF (Nb, Ti)C-NICKEL BASE SUPERALLOY
Cai Kefeng, Nan Cewen and Min Xinmin

State Key Laboratory of Advanced Technology of Materials Compositing, Wuhan University of Technology, Wuhan 430070, P. R. China

Abstract:(Nb, Ti)C-nickel base superalloy was prepared via hot-isostatic-pressing(HIP). Its flexural strength was tested by means of three-point bending. The flexural strengths at room temperature and at 1000℃are 1 318±158 MPa and 506±50 MPa respectively. The sample was observed with transmission electron microscopy (TEM) and the mechanisms of reinforcements were discussed.

 

Key words: mechanical properties microstructure titanium carbide

ISSN 1672-7029
CN 43-1423/U

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