Effects of rare earth element lanthanum on the microstructure of copper matrix diamond tool materials

稀有金属（英文版）, 2002, 21(2): 90-94.

^1, , ^2, , ^3, , ^4,

1.Research Institute of Powder Metallurgy, University of Science and Technology Beijing, Beijing 100083, China

2.General Research Institute of Non-ferrous Metal, Beijing 100088, China

3.General Research Institute of Non-ferrous Metal, Beijing 100088, China

4.Research Institute of Powder Metallurgy, University of Science and Technology Beijing, Beijing 100083, China

Effects of rare earth element lanthanum on the microstructure of copper matrix diamond tool materials

Effects of rare earth element La on the microstructure of Cu matrix diamond tools were researched under the conditions of various materials componentsand the process parameters in order to improve materials properties. SEM, XPS and X-ray were used to investigate the fracture section, microstructure and the element valence in materials. The results shown that the combination of rare earth element La and transition element Ti is advantageous to the bonding state between diamond particles and matrix, so it can improve the materials properties. Suitable sintering temperature is 790℃.

参考文献

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[2]	Tokura H;Yoshikawa M .Heat treatment of diamond grains for bounding strength improvement[J].Journal of Materials Science,1989,24(06):2243.
[3]	Li C H;Lu H B;Liu X F .The bounding condition between TiN-coated diamond and matrices[J].粉末冶金技术,1999,17(04):243.
[4]	Wu Y K;Yu Q .A study of strengthening diamond tools materials by rare earth[J].粉末冶金技术,1999,17(04):253.

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Effects of rare earth element lanthanum on the microstructure of copper matrix diamond tool materials

参考文献