Effects of Cr3C2 additions on the densification, grain growth and properties of ultrafine WC-11Co composites by spark plasma sintering

International Journal of Refractory Metals and Hard Materials

Volumn 26, Issue 4, 2008, Pages 357-361

  Sun, Lan ^a   Jia, Chengchang ^a   Cao, Ruijun ^b   Lin, Chenguang ^b  

^a UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING   (China)

^b GENERAL RESEARCH INSTITUTE FOR NONFERROUS METALS   (China)

Author keywords

Cr3C2; Grain growth inhibitors; Spark plasma sintering; WC Co

Indexed keywords

CHROMIUM COMPOUNDS; COBALT; DENSIFICATION; FRACTURE TOUGHNESS; GRAIN GROWTH; SPARK PLASMA SINTERING; TUNGSTEN CARBIDE;

COMPOSITE POWDERS; GRAIN GROWTH INHIBITORS;

COMPOSITE MATERIALS;

EID: 43249097281     PISSN: 02634368     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijrmhm.2007.08.009     Document Type: Article

References (17)

1. Almond E.A., and Roebuck B.J. Very fine-grained hard metals. Int J Refract Met Hard Mater 6 (1987) 137-144
2. Gao Y., Tang Z.F., and Huang J.Q. The preparation and sintering course of nanosize WC-Co composites. Cemented Carbide 3 (2000) 18-20
3. Da Silva A.G.P., De Souza C.P., Gomes U.U., Medeiros F.F.P., Ciaravino C., and Roubin M. A low temperature synthesized NbC as grain growth inhibitor for WC-Co composites. Mater Sci Eng A 293 (2000) 242-246
4. Morton C.W., Wills D.J., and Stjernberg K. The temperature ranges for maximum effectiveness of grain growth inhibitors in WC-Co alloys. Int J Refract Met Hard Mater 23 (2005) 287-293
5. Carroll D.F. Sintering and microstructural development in WC/Co-based alloys made with superfine WC powder. Int J Refract Met Hard Mater 17 (1999) 123-133
6. Schubert W.D., Bock A., and Lux B. General aspects and limits of conventional ultrafine WC powder manufacture and hard metal production. Int J Refract Met Hard Mater 13 (1995) 281-296
7. Upadhyaya A., Sarathy D., and Wagner G. Advances in alloy design aspects of cemented carbides. Mater Des 22 (2001) 511-517
8. Sun J., Zhang F., and Shen J. Characterizations of ball-milled nanocrystalline WC-Co composite powders and subsequently rapid hot pressing sintered cermets. Mater Lett 57 (2003) 3140-3148
9. Kim H.C., Oh D.Y., and Shon I.J. Sintering of nanophase WC-15vol%Co hard metals by rapid sintering process. Int J Refract Met Hard Mater 22 (2004) 197-203
10. Jia C.C., Tang H., Mei X.Z., Yin F.Z., and Qu X.H. Spark plasma sintering on nanometer scale WC-Co powder. Mater Lett 59 (2005) 2566-2569
11. Cha S.I., Hong S.H., and Kim B.K. Spark plasma sintering behavior of nanocrystalline WC-10Co cemented carbide powders. Mater Sci Eng A 351 (2003) 31-38
12. Schubert W.D., Neumeister H., Kinger G., and Lux B. Hardness to toughness relationship of fine-grained WC-Co hardmetals. Int J Refract Met Hard Mater 16 (1998) 133-142
13. Wang X.Q., Xie Y.F., Guo H.L., Biest O.V., and Vleugels J. Sintering of WC-Co powder with nanocrystalline WC by spark plasma sintering. Rare Metals 25 (2006) 246-252
14. Sivaprahasam D., Chandrasekar S.B., and Sundaresan R. Microstructure and mechanical properties of nanocrystalline WC-12Co consolidated by spark plasma sintering. Int J Refract Met Hard Mater 25 (2007) 144-152
15. Park Y.J., Hwang N.M., and Yoon D.Y. Abnormal growth of faceted (WC) grains in a (Co) liquid matrix. Metall Mater Trans A 27 (1996) 2809-2819
16. Wittmann B., Schubert W.D., and Lux B. WC grain growth and grain growth inhibition in nickel and iron binder hardmetals. Int J Refract Met Hard Mater 20 (2002) 51-60
17. Sun L., Jia C.C., and Xian M. A research on the grain growth of WC-Co cemented carbide. Int J Refract Met Hard Mater 25 (2007) 121-124