Skin Effect of WC-8wt % Co Alloy by Microwave Sintering

摘要：

　　To investigate the microwave effect on the WC-Co alloys, it was fabricated WC-8wt% Co alloy by microwave sintering (MW) in this pa per.It was found that decarburization layer formed on the surface of the microwave-sintered sample.In addition, WC grain coarsening in the core area was strongly suppressed by this decarburization effect.Furthermore, the microstructure of the MW fabricated alloy was compared to that of the ahoy synthesized by vacuum sintered (VS).Micro struc tural investigations by TEM and EDS showed that more tungsten was dissolved in the cobalt binder phase in microwave sintered alloy than that in the vacuum sintered samples by 29.50wt%.Finally, the formation mechanism of the surface layer by skin effect was discussed.

关键词： Microwave sintering Tungsten car bide Microstructure Solubility Skin effect

作者: Rui Bao Jianhong Yi Yuandong Peng Fengxian Li Shaoyu Li Shang Li

作者单位: School of Materials Science and Engineering,Kunming University of Science and Technology,Kunming,650 State Key Laboratory of Powder Metallurgy,Central South University,Changsha,410083,China School of Materials Science and Engineering,Kunming University of Science and Technology,Kunming,650

会议类型: 国际会议

会议名称: The 12th China-Russia Symposium on Advanced Materials and Technologies(第十二届中俄双边新材料新工艺国际会议)

会议地点: 昆明

会议语种:英文

页码: 443-447

在线出版日期: 2013-11-19（万方平台首次上网日期，不代表论文的发表时间）