熱間圧延ロール用黒鉛鋳鉄の摩擦・摩耗特性

概要

論文の詳細を見る
Two-disc type wear test and disc-block type adhesion test were conducted on the graphite cast iron roll material in hot rolling mills for the purpose of improving its wear and adhesion resistance. The effects of the amount of graphite in microstructure on friction and wear behaviors of the graphite cast iron were studied under the mild and severe conditions. Austenitic stainless steel SUS304 and carbon steel S45C were selected as the mated materials. The coefficient of friction is decreased by the increasing amount of graphite in microstructure, independent of mated materials and adhesion test conditions. Wear rate can be decreased by the increasing small amount of graphite, but it is increased by the increasing large amount of graphite, except for the case of the mated material S45C under the mild wear condition where wear rate is increased by the increasing amount of graphite. A new friction and wear model is proposed and it enables to explain these experimental results.
1991-01-01