发现高于二次硬比峰温度回火时,此钢的疲劳裂纹扩展阻力随回火温度升高而增加。
It is found that the steel resistances to fatigue crack growth increase with the rising of the tempering temperature when it is higher than the second hardening peak temperature.
嘉善县翔峰紧固件有限公司是一家专业生产各种不锈钢螺母,法兰面螺母,盖型螺母等标准件的工业企业。
Jiashan Xiangfeng fastener Co., Ltd. is a professional manufacturer specializing in all kinds of stainless steel nuts, flange nuts, cap nuts and other standard fasteners.
峰辉钢构正以敬业务实,诚信服务的态度,迎接四海宾朋!
Feng hui steel structure with professional pragmatic, good faith service attitude, welcome friends!
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