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首页> 外文期刊>Materials Science and Engineering. A, Structural Materials: Properties, Microstructure and Processing >Elastic modulus of sintered porous Ti-Si-Zr, using activation by Ti-Si mechanically alloyed powder and TiH_2 powder
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Elastic modulus of sintered porous Ti-Si-Zr, using activation by Ti-Si mechanically alloyed powder and TiH_2 powder

机译：Ti-Si机械合金化粉末和TiH_2粉末的活化作用，烧结多孔Ti-Si-Zr的弹性模量

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摘要

A novel biomaterial based on Ti-Si-Zr was developed using the sintering process with a composition targeting at a bulk modulus in the same range as that of human bone, i.e. 10-30 GPa. Control of porosity should also be possible to allow for the promotion osseointegration. The sintering procedure involves the use of mechanically alloyed Ti-Si-powder, and TiH_2, to promote bonding, but not consolidation. The effect of porosity on the bulk modulus using compression testing is investigated. The influence of sintering temperature, heating rate, and amount and size of the TiH_2-activator on porosity are also investigated. The achievable bulk modulus was in the range of 20-55 GPa at porosity levels ranging from 16% to 54%. Porosity had a profound influence on the bulk modulus, and the choice of appropriate processing conditions enables the creation of an engineered porosity and bulk modulus primarily by varying the sinteringiemperature and the size of the TiH_2-powder particles.
机译：使用烧结工艺开发了一种基于Ti-Si-Zr的新型生物材料，其成分针对的体积模量与人体骨骼的体积模量相同，即10-30 GPa。控制孔隙率也应该是可能的，以促进骨整合。烧结过程包括使用机械合金化的Ti-Si-粉末和TiH_2来促进结合，但不固结。使用压缩试验研究了孔隙度对体积模量的影响。还研究了烧结温度，加热速率以及TiH_2活化剂的数量和大小对孔隙率的影响。在16％至54％的孔隙率水平下，可获得的体积模量在20-55GPa的范围内。孔隙率对体积模量有深远的影响，并且适当的加工条件的选择能够主要通过改变烧结性能和TiH_2粉末的尺寸来产生工程孔隙率和体积模量。

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