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Gas Nitriding Mechanism in Titanium Powder Injection Molded Products
Osada Toshiko,Miura Hideshi,Yamagami Takanobu,Nishiyabu Kazuaki,Tanaka Shigeo 한국분말야금학회 2006 한국분말야금학회 학술대회논문집 Vol.2006 No.1
Gas surface treatment is considered to be effective for titanium because of its high reactivity. In this study, we investigated the gas nitriding mechanism in titanium sintered parts produced by metal powder injection molding (MIM) process. The microstructure and nitrogen content of sintered MIM parts were greatly affected by nitriding conditions. Nitriding process strongly depended on the specimen size, for example, the size of micro metal injection molding (μ-MIM) product is so small and the specific surface is so large that the mechanical and functional properties can be modified by nitriding.