The results show that hot-forged cast dies take thermalwear, plastic deformation, thermal fatigue, impact fatigue fracture and brittle fracture as predominant failure patterns.
结果表明，精铸热锻模的主要失效形式为热磨损、塑性变形、热疲劳裂纹、冲击疲劳破断和脆性断裂。
3
This paper has collected and analyzed some of typical instances, "thermalwear"and"cracking", occurred on early failure of bearings of cross heads to be common at home and abroad.