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高温热处理(920℃-950℃)可使铸铁的强度提高,但不能确保得到所必需的韧性和塑性。据《MN TOM》1985年№9报道,通过
High temperature heat treatment (920 ℃ -950 ℃) can increase the strength of cast iron, but can not ensure the necessary toughness and ductility. According to “MN TOM” №9 reported in 1985, passed