オーステンパー処理球状黒鉛鋳鉄のころがり疲労特性
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概要
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The rolling contact fatigue strength of spheroidal graphite cast iron which was austempered at 375°C and 235°C for 2hr was investigated by using a Nishihara-type wear machine under a light oil lubricant, and the results were compared with those of quenched and tempered spheroidal graphite cast iron and steel. The rolling contact fatigue limit (F*) of steels and cast irons became larger as their hardness increased. At the same hardness level, F* of austempered cast Irons were much higher than those of quenched and tempered cast irons. Moreover, the austenitic-bainitic cast iron was superior to qenched and tempered steels.
- 日本鋳造工学会の論文
日本鋳造工学会 | 論文
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