钢丝绳疲劳损伤声发射测试  

ACOUSTIC EMISSION TESTING OF WIRE ROPES FOR FATIGUE DAMAGE

作　　者：邵永波[1] 于大安[1] 王师[1] 朱祖铭[2] 尹万全 

机构地区：[1]东北大学,沈阳110006 [2]金属研究所,沈阳110015

出　　处：《无损检测》1999年第6期254-257,共4页Nondestructive Testing

摘　　要：对疲劳条件下6×19S+FC钢丝绳进行了声发射(AE)测试,结果表明,用AE事件的幅值、持续时间、能量和计数参数可综合表征断丝事件;在钢丝绳失效之前的60％处即能给出失效的AE预警;适当提取钢丝裂纹开裂的AE事件有利于表征钢丝绳的总体损伤情况。AE testing was conducted on wire rope of 6 ×19S+FC construction under fatigue condition. Re-sults showed that the wire breakage could be identified synthetically with AE parameters of amplitude, duration, energy and counts. The warning of fatigue failure could be provided as early as 60% of lifetime through AE moni-toring. It was useful to extract the AE signals from wire cracking for evaluating the damage status of a wire rope.

关 键 词：钢丝绳 疲劳 声发射 疲劳损伤 

分 类 号：TG356.45[金属学及工艺—金属压力加工]