Titanium Foams Processed Through Powder Metallurgy Route Using Lubricant Acrawax as Space Holder Material
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In the present work titanium foams have been synthesized using acrawax as the space holder material. Acrawax has generally been used as a lubricant for easier compaction of aluminium alloy powders. This study deals with the use of this space holder material in the form of beads for creating pores in titanium metal matrix. Acrawax facilitates the formation of continuous dense cell walls which is difficult to obtain using ordinary space holder materials. Moreover, acrawax is compressible in nature and it facilitates the formation of better and uniformly sized pores. Titanium foams have been synthesized utilizing acrawax in two different sizes. The effect of using differently sized acrawax on the cell walls and mechanical properties has also been carried out in this study.
KeywordsTitanium foam Powder metallurgy Space holder technique Acrawax Compression testing
The authors wish to thank the Director, CSIR- Advanced Materials & Processes Research Institute, Bhopal for the experimental facilities used in the present study.