孔隙率对Ti84Mo16合金多孔材料力学性能影响研究  

Research on Influence of Porosity on Mechanical Properties of Ti84Mo16 Porous Alloy

作　　者：赵明威[1] Cui E.Wen 

机构地区：[1]陕西工业职业技术学院教务处,陕西咸阳712000 [2]澳大利亚Deakin大学,材料与纤维研发中心,澳大利亚维多利亚3217

出　　处：《热加工工艺》2015年第12期93-95,98,共4页Hot Working Technology

基　　金：陕西省教育厅自然科学基金资助项目(09JK338)

摘　　要：基于粉末冶金制备工艺,以降低生物医用Ti84Mo16合金的弹性模量为目标,用碳酸氢氨作为介质掺杂粉体制备Ti84Mo16合金多孔材料。探讨不同孔隙率对Ti84Mo16合金多孔材料力学性能的影响规律。结果表明,孔隙率对Ti84Mo16合金多孔材料力学性能有着明显的影响,随着孔隙率增加,Ti84Mo16合金多孔材料力学强度呈几何指数下降,孔隙率对Ti84Mo16合金多孔材料力学性能影响规律满足Lorna J.Gibson及Michael F.Ashby的经典理论。同时2小时球磨Ti84Mo16合金多孔材料具有较高强度,5小时球磨Ti84Mo16合金多孔材料具有较好塑形。B ased on powder metallurgy preparation technique, aimging at the reduing the elastic modulus of biomedical Tig4Mol6 alloy, by mixing ammonia bicarbonate as medium to Ti84Mo16 powder was used to prepare porous materials. The effects law of the different porosity on material mechanics performance of porous Ti84Mo16 alloy were studied. The results show hat the effect of material mechanics performance of porous Ti84Mo16 alloy is obvious With the increase of porosity, the mechanical strength of porous Ti84Mo16 alloy decreases exponentially, the effect of the porosity to material mechanics performance of porous Ti84Mo 16 alloy meet the classical theories proposed by Loma J.Gibson and Michael F. Ashby. Furthermore, the porous Ti84Mo 16 alloy after ball milling for 2 h has high strength, after ball milling for 5 h has well plastic ability.

关 键 词：Ti84Mo16合金多孔材料 碳酸氢氨 孔隙率 力学性能 

分 类 号：TG14[一般工业技术—材料科学与工程]