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Volume 13 Issue 3
Aug.  2021
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Huang Shi, Yang Jinhui, Lai Weihua. INFLUENCE OF Cu ADDITION ON PROPERTIES AND STRUCTURE OF WC-13%Fe/Co/Ni CEMENTED CARBIDE[J]. Powder Metallurgy Technology, 1995, 13(3): 174-180.
Citation: Huang Shi, Yang Jinhui, Lai Weihua. INFLUENCE OF Cu ADDITION ON PROPERTIES AND STRUCTURE OF WC-13%Fe/Co/Ni CEMENTED CARBIDE[J]. Powder Metallurgy Technology, 1995, 13(3): 174-180.
shu

INFLUENCE OF Cu ADDITION ON PROPERTIES AND STRUCTURE OF WC-13%Fe/Co/Ni CEMENTED CARBIDE

  • 1. Beijing University of Science and Technolosy, Beijing 100083;

  • 2. Mechanical and Electrical Research Institute of Beijing, 100083

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  • Received Date: April 02, 1994
  • Available Online: August 01, 2021
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    • Abstract
  • This paper discussed the influence of small addition of copper on the pro perttes and structure of WC-13% Fe/Co/Ni cemented carbide. The results of metallographic observation and microstructure investigation on it were described in detail by using SEM and TEM. Results show that copper has a role of refining and sphericizing WC grain. In case of about 0. 8% of copper addition, optimum properties of such alloy can be obtained with a bending strength of 2370 N/mm2,670N/mm2 higher than that of alloy without copper addition. In addition,during the slow cooling process after sintering, a martensite transformation took place with a relation between martensite and γphase being in conformity with K-S orientation.
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