,1014. 北京科技大学学报 第29卷 (6):30 Technol,1998,14:170 [2]张德尧，吴小惠.M。Cm材料的制作.中国钼业，2001,24(4)： [7]Zhou Z J.Kwon Y S.Fabrication of WCu composite by resis- 38 tance sintering under ultra-high Pressure.J Mater Process Tech- [3]钟培全.散热片用钼锅合金材料加工工艺研究.中国钼业， nl,2005,168.107 2001,25(1).37 [8]何忠，粉末法制取钼铜合金的微观结构.材料科学与工程， [4]Wang W S.Hwang K S.The effect of tungsten particle size on 2000,18(4):75 the processing and properties of infiltrated W-Cu compacts.Met- [9]李晓红，解子章，杨让·机械活化M。Cu粉末的烧结.北京 all Mater Transaction.1998.29A:1509 科技大学学报，1996,18(5)：424 [5)]韩风麟粉末治金基础教程一基本原理与应用.广州：华南 [1O]凌云汉.面向等离子体SiC/Cu,B4C/Cu,W/Cm功能梯度材 理工大学出版社，2005：115 料的设计、制备与评价[学位论文]北京：北京科技大学， [6]Yoo S,Krupashankara M S,Sudarshan T S,et al.Ultra-high 2001:87 pressure consolidation (UHPC)of W-Cu composites.Mater Sci Fabrication of Mo Cu alloys by resistance sintering under ultra high pressure DU Juan,ZHOU Zhangjian,SONG Shuxiang:ZHONG Zhihong:GE Changchun Laboratory of Special Ceramies and Powder Metallurgy.University of Seience and Technology Beijing.Beijing 100083.China ABSTRACI Resistance sintering under ultrahigh pressure was developed to fabricate Mo Cu alloys containing copper of 25%-75%in volume fraction.Consolidation was carried out under pressures of 2-10GPa and an in- put power of 15kW for 65s.The densification effect and mechanical properties of these Mo Cu alloys were in- vestigated.The results show that these composites have high density and their mechanical properties are well.It is concluded that resistance sintering under ultra-high pressure is one of the fabrication methods which can avoid inhomogeneous structure and abnormal grain growth. KEY WORDS Mo Cu alloys;ultra-high pressure:resistance sintering;microstructure;mechanical properties（6）：30 ［2］ 张德尧‚吴小惠．Mo—Cu 材料的制作．中国钼业‚2001‚24（4）： 38 ［3］ 钟培全．散热片用钼—铜合金材料加工工艺研究．中国钼业‚ 2001‚25（1）：37 ［4］ Wang W S‚Hwang K S．The effect of tungsten particle size on the processing and properties of infiltrated W—Cu compacts．Met￾all Mater Transaction‚1998‚29A：1509 ［5］ 韩凤麟．粉末冶金基础教程———基本原理与应用．广州：华南 理工大学出版社‚2005：115 ［6］ Yoo S‚Krupashankara M S‚Sudarshan T S‚et al．Ultra-high pressure consolidation （U HPC） of W—Cu composites．Mater Sci Technol‚1998‚14：170 ［7］ Zhou Z J‚Kwon Y S．Fabrication of W—Cu composite by resis￾tance sintering under ultra-high Pressure．J Mater Process Tech￾nol‚2005‚168：107 ［8］ 何忠．粉末法制取钼铜合金的微观结构．材料科学与工程‚ 2000‚18（4）：75 ［9］ 李晓红‚解子章‚杨让．机械活化 Mo—Cu 粉末的烧结．北京 科技大学学报‚1996‚18（5）：424 ［10］ 凌云汉．面向等离子体 SiC／Cu、B4C／Cu、W／Cu 功能梯度材 料的设计、制备与评价 ［学位论文 ］．北京：北京科技大学‚ 2001：87 Fabrication of Mo—Cu alloys by resistance sintering under ultra-high pressure DU Juan‚ZHOU Zhangjian‚SONG Shuxiang‚ZHONG Zhihong‚GE Changchun Laboratory of Special Ceramics and Powder Metallurgy‚University of Science and Technology Beijing‚Beijing100083‚China ABSTRACT Resistance sintering under ultra-high pressure was developed to fabricate Mo-Cu alloys containing copper of25％—75％ in volume fraction．Consolidation was carried out under pressures of2—10GPa and an in￾put power of 15kW for65s．The densification effect and mechanical properties of these Mo—Cu alloys were in￾vestigated．The results show that these composites have high density and their mechanical properties are well．It is concluded that resistance sintering under ultra-high pressure is one of the fabrication methods which can avoid inhomogeneous structure and abnormal grain growth． KEY WORDS Mo—Cu alloys；ultra-high pressure；resistance sintering；microstructure；mechanical properties ·1014· 北 京 科 技 大 学 学 报 第29卷