红外热像技术快速确定0.45C钢疲劳极限的试验方法

特殊钢 ›› 2008, Vol. 29 ›› Issue (4): 66-68.

• 组织和性能 • 上一篇

红外热像技术快速确定0.45C钢疲劳极限的试验方法

李飞¹, 马赞¹, 刘浩²

1江苏省特种设备安全监督检验研究院常州分院，常州213002 ；
2太原科技大学应用科学学院，太原030024

收稿日期:2008-01-29 出版日期:2008-08-01 发布日期:2022-12-23
作者简介:李飞(1979-),男，助理工程师,2003年太原科技大学毕业，特种设备检测及工程设备疲劳研究。

An Experimental Method to Fast Determine Fatigue Limit of 0.45C Steel by Infrared Thermal Sensor Technology

Li Fei¹, Ma Yun¹，Liu Hao²

1 Changzhou Branch Institute, Jiangsu Province Institute of Special Equipment Safety Supervise and Check, Changzhou 213002
2 School of Applied Science, Taiyuan University of Science and Technology, Taiyuan 030024

Received:2008-01-29 Published:2008-08-01 Online:2022-12-23

摘要/Abstract

摘要： 分析了材料疲劳过程的能量耗散-热耗散,并用红外热像仪研究了高频疲劳试验机疲劳试验过程具有颈缩部分的0.45C钢表面温度变化,快速确定0.45C钢疲劳极限。结果表明,红外热像法确定的正火0.45C钢的疲劳极限为219 MPa,与理论计算法得出的该钢疲劳极限相一致。该试验方法具有非接触、便捷、低成本等优点。

关键词: 红外热像仪, 能量耗散, 0.45C钢, 疲劳极限

Abstract: The dissipation of energy-dissipation of heat during fatigue process of materials has been analyzed, and the surface temperature change of 0. 45C steel with necking part in fatigue test process by using high frequency fatigue test machine was studied by infrared thermal sensor to fast determine fatigue limit of 0. 45C steel. Results showed that the fatigue limit of normalized 0. 45C steel determined by infrared thermal sensor was 219 MPa, it was showing no difference with the fatigue limit of steel obtained by theoretical calculation. This method has the merits such as non-contact, convenience and low-cost.

李飞, 马赞, 刘浩. 红外热像技术快速确定0.45C钢疲劳极限的试验方法[J]. 特殊钢, 2008, 29(4): 66-68.

Li Fei, Ma Yun , Liu Hao. An Experimental Method to Fast Determine Fatigue Limit of 0.45C Steel by Infrared Thermal Sensor Technology[J]. Special Steel, 2008, 29(4): 66-68.

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红外热像技术快速确定0.45C钢疲劳极限的试验方法

An Experimental Method to Fast Determine Fatigue Limit of 0.45C Steel by Infrared Thermal Sensor Technology

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