制备工艺对铁基粉末冶金气门座圈致密性和性能的影响

李应1，宣天鹏1，戴泽玉2，袁春2

Effects of preparing process on density and properties of iron-based P/M valve seat

Li Ying1, Xuan Tianpeng1, Dai Zeyu2, Yuan Chun2

金属热处理 . 2015, (5): 102 -106 . DOI: 10.13251/j.issn.0254-6051.2015.05.024