Microstructures and mechanical properties of porous titanium compacts prepared by powder sintering
Microstructures and mechanical properties of porous titanium compacts prepared by powder sintering
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DOI：
10.2320/matertrans.43.443
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发表时间：
2002-03-01
影响因子：
1.2
通讯作者：
Hanada, S
中科院分区：
文献类型：
--
作者：
Oh, IH;Nomura, N;Hanada, S
采用等离子旋转电极法（PREP）制备了粒径为300 ~ 500 μ m的纯钛粉末，采用粉末烧结法制备了生物医用多孔纯钛复合材料，并对复合材料的显微结构和力学性能进行了研究。通过控制烧结条件，成功地制备出孔隙率为19- 35vol%的多孔钛压坯，发现杨氏模量和压缩屈服强度随孔隙率的增加而线性下降，孔隙率为30- 35vol%的多孔钛压坯表现出与人骨相同的杨氏模量。
Using pure Ti powder with particle sizes from 300 to 500 mum prepared by the plasma rotating electrode process (PREP), porous pure Ticompacts for biomedical applications were synthesized by powder sintering, and microstructures and mechanical proper-ties of the compacts were investigated in this study. Porous compacts having porosity of 19-35 vol% are successfully fabricated by controlling sintering condition, It is found that Young's modulus and compressive yield strength decrease linearly with increasing porosity, and porous Ti compacts having porosity of about 30-35 vol% exhibit identical Young's modulus of human bone.