本文使用了一台高时间分辨率的红外热象仪和一台孔径为20毫米的快速红外探测器,监测高速旋转弯曲疲劳样品的表面温度分布.确定了红外发射与局部疲劳损伤的关系,提出了一种新的疲劳损伤无损检测方法.
A high time resolution thermovision and an infrared detector withthe diameter of 20mm were used to detect the temperature distribution on the sur-face of samples which rotated and bending fatigued at high speed. The relation be-tween infrared radiation and local fatigue damage has been determined. A new non-destructive testing method for fatigue damage has been given.
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