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Sintering Properties of High-pressure Water Atomized SUS 316L Ultra Fine Powder
Toyoshima Hisataka,Kusunoki Minoru,Otsuka Isamu 한국분말야금학회 2006 한국분말야금학회 학술대회논문집 Vol.2006 No.1
The MIM industry is currently focusing on parts that are used in automobiles and medical instruments. Many of the parts in these categories are very small and often not easy to machine because of its complex geometry. Therefore MIM is well suited for the production of these parts. We tested the sinterability of SUS316L ultra fine powders (3,4, 6, 8micron) produced by ATMIX high-pressure water-atomization, and it showed excellent results. A density of 97% theoretical was obtained by sintering at 1373K when using the ultra fine powder (3micron). Specifically, the finer the powder size, higher was the sintered density. The surface roughness and accuracy are also greatly improved with ATMIX ultra fine powder.