焼結体気孔中に残留する黒鉛による鉄系焼結材料の被削性改善 [in Japanese] Improvement in Machinability of Sintered Steel due to Graphite Particles Retained in Pore Sites [in Japanese]
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The effect of graphite retained in the pore sites of sintered steels on machinability was investigated. Sintered steels containing retained graphite were obtained by sintering green compacts made from sulfur-containing iron powder with copper and graphite. Retained graphite in the pore sites of sintered steels in amounts of 0.1 to 0.3wt% resulted in 10 times longer drilling tool life and no significant impact on tensile strength.
- J. Jpn. Soc. Powder Powder Metallurgy
J. Jpn. Soc. Powder Powder Metallurgy 43(4), 545-549, 1996-04-15
Japan Society of Powder and Powder Metallurgy