Injection molding of micro-porous titanium alloy with space holder technique

被引：0

作者：

Gülsah Engin ^{[1
]}

Bülent Aydemir ^{[2
]}

H.zkan Gülsoy ^{[3
,4
]}

机构：

[1] Marmara University,Institute Graduate Studies Pure and Applied Sciences

[2] TUBITAK,National Metrology Institute

[3] Marmara University,Technical Education Faculty,Materials Department

[4] Tubitak-MRC,Materials Technologies Research Institute

来源：

Rare Metals | 2011年 / 30卷 / 06期

关键词：

powder injection molding; titanium powder; porous metal; sintering;

D O I：

暂无

中图分类号：

TG146.23 [];

学科分类号：

摘要：

The powder space holder(PSH) and powder injection molding(PIM) methods have an industrial competitive advantage because they are capable of the net-shape production of micro-sized porous parts.In this study,micro-porous Ti6Al4V alloy(Ti64) parts were produced by the PSH-PIM process.Ti64 alloy powder and spherical polymethylmethacrylate(PMMA) particles were used as a space holder material.After molding,binder debinding was performed by thermal method under inert gas.Debinded samples were sintered at 1250oC for 60 min in a vacuum(10-4 Pa) .Metallographic studies were conducted to determine densification and the corresponding microstructural changes.The surface of sintered samples was examined by SEM.The compressive stress and elastic modulus of the micro-porous Ti64 samples were de-termined.The effects of fraction of PMMA on the properties of sintered micro-porous Ti64 alloy samples were investigated.It was shown that the fraction of PMMA could be controlled to affect the properties of the Ti alloy.

引用

页码：565 / 571

页数：7

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