| 超声F扫描检测碳/环氧复合材料层合板冲击损伤—电阻变化 |
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| 引用本文： | 谢小林,廖嘉,范红青,王高潮,权红英,李志鹏.超声F扫描检测碳/环氧复合材料层合板冲击损伤—电阻变化[J].航空材料学报,2009,29(3):107-110. |
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| 作者姓名： | 谢小林 廖嘉 范红青 王高潮 权红英 李志鹏 |
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| 作者单位： | 1. 武汉理工大学材料科学与工程学院,武汉,430070;南昌航空大学无损检测技术教育部重点实验室,南昌,330063
2. 南昌航空大学无损检测技术教育部重点实验室,南昌,330063 |
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| 基金项目： | 教育部无损检测技术重点实验室开放基金 |
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| 摘 要： | 利用超声F扫描方法检测了经不同能量冲击后的碳/环氧复合材料层合板,并测量了复合材料冲击前后电阻.结合冲击能量、电阻变化、超声F扫描图像综合分析了冲击后碳/环氧复合材料的状况.结果表明,超声F扫描能够确定碳/环氧复合材料冲击损伤能量阈值;不同能量的冲击都会使碳/环氧复合材料的电阻发生变化,但只有大于能量阈值的冲击才会在复合材料中产生损伤;超声F扫描提高了基于电阻变化判断复合材料是否损伤的准确性.
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| 关 键 词： | 碳/环氧复合材料 层合板 超声F扫描 冲击损伤-电阻变化 |
Detecting Impact Damage-Resistance Change in Carbon Fiber /Epoxy-Matrix Laminate by Ultrasonic F-scan |
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| XIE Xiao-lin,LIAO Jia,FAN Hong-qing,WANG Gao-chao,QUAN Hong-ying,LI Zhi-peng.Detecting Impact Damage-Resistance Change in Carbon Fiber /Epoxy-Matrix Laminate by Ultrasonic F-scan[J].Journal of Aeronautical Materials,2009,29(3):107-110. |
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| Authors: | XIE Xiao-lin LIAO Jia FAN Hong-qing WANG Gao-chao QUAN Hong-ying LI Zhi-peng |
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| Abstract: | Impacted carbon fiber /epoxy-matrix laminates were detected by ultrasonic F-scan,their resistance were measured before and after they had been impacted separately.The status of impacted laminates were analyzed through synthesizing impact energy,resistance change and ultrasonic F-scan graph.The results show that ultrasonic F-scan can ensure impact damage energy threshold value of carbon fiber /epoxy-matrix laminates.The resistance of laminates can be changed after they have been impacted,but there are damage... |
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| Keywords: | carbon fiber /epoxy-matrix composites laminate ultrasonic F-scan impact damage-resistance change |
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