裂纹扩展片技术在弧形面上半椭圆表面裂纹长度测试中的应用
Application of Krak-gage Technology on Measuring Half-ellipse Surface Crack Length on Arc
摘 要
简述了裂纹扩展片技术的研究现状和测试原理,标定出应用在单臂悬梁试样弧形面上的单片和串联双片10 mm 裂纹扩展片的裂纹长度增量与电压增量关系方程。通过扩展片与试样裂纹扩展同步性研究,证明了裂纹扩展片技术应用于弧形面上半椭圆表面裂纹长度测试的可行性。
弧形面
半椭圆表面裂纹
裂纹长度
krak-gage
arc
half-ellipse surface crack
crack length
Abstract
Current research status and testing principle of krak-gage technology was described. Based on the technology, half-ellipse surface crack length on arc of single-cantilever beam bonded specimen was successfully measured,the equation about crack length and voltage of 10 mm single and double krak-gage had been achieved. Which showed it was capable that krak-gage technology was applicated in measuring half-ellipse surface crack length on arc.
中图分类号 TG115.5+7
所属栏目 试验技术与方法
基金项目
收稿日期 2009/10/13
修改稿日期
网络出版日期
作者单位点击查看
备注查小琴(1975-),女,工程师,硕士。
引用该论文: ZHA Xiao-qin,ZHANG Ya-jun,LIANG Jian,ZHANG Xin-yao,FANG Wen-hua. Application of Krak-gage Technology on Measuring Half-ellipse Surface Crack Length on Arc[J]. Physical Testing and Chemical Analysis part A:Physical Testing, 2010, 46(5): 303～305
查小琴,张亚军,梁 健,张欣耀,方文华. 裂纹扩展片技术在弧形面上半椭圆表面裂纹长度测试中的应用[J]. 理化检验－物理分册, 2010, 46(5): 303～305
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参考文献
【1】崔玉华,邢志强. 疲劳裂纹测试的裂纹扩展片技术[J]. 理化检验-物理分册,1994,30 (5): 44-45．
【2】PARIS P C, HAYDEN B R. A new system for fatigue crack growth measurement and control[C]// ASTM Symposium on Fatigue Crack Growth. Pittsburgh,PA:[s.n.],1979．
【3】PETER K L, HELM E J, ENGING．Corrosion fatigue crack propagation testing with KRAK-GAGE in salt water[J]. Fract Mech,1983,18: 121-131．
【4】HARTMANN H R , CHURCHILL R W. Krak-gage, a new transducer for crack growth measurements[C]// SESA Fall Meeting. Keystone,CO:[s.n.], 1981．
【5】PETER K L, WILLIAM A L, LEWIS D R, et al. Krak-gages for automated fatigue crack growth rate testing[C]// Automated Test Methods for Fracture and Fatigue Crack Growth(STP877). [s.l.]:[s.n.], 1985: 177-196．
【6】PHOPLONKER M A, BYRNE J, DUGGAN T V, et al. Near-threshold fatigue crack growth in aluminum bronze alloy[J]. ImechE, 1986,C227: 137-144．
【7】MCRAE K I. Application of “Fractomat/Krak-gage” to Crack Growth Measurement in Structural Component[M]. Victoria,B.C,Canada: Defence Research Establishment Pacific,Research and Development Branch,1982．
【8】PRABHAKARAN, RAMAMURTHY. Method of Continuously Determining Crack Length: U.S., 5,227,731[P]. 1993-07-13．
【9】NICHOLLS, JOHN Rayment. Measuring Device: U.S.,6,172,511[P]. 2001-01-09．
【2】PARIS P C, HAYDEN B R. A new system for fatigue crack growth measurement and control[C]// ASTM Symposium on Fatigue Crack Growth. Pittsburgh,PA:[s.n.],1979．
【3】PETER K L, HELM E J, ENGING．Corrosion fatigue crack propagation testing with KRAK-GAGE in salt water[J]. Fract Mech,1983,18: 121-131．
【4】HARTMANN H R , CHURCHILL R W. Krak-gage, a new transducer for crack growth measurements[C]// SESA Fall Meeting. Keystone,CO:[s.n.], 1981．
【5】PETER K L, WILLIAM A L, LEWIS D R, et al. Krak-gages for automated fatigue crack growth rate testing[C]// Automated Test Methods for Fracture and Fatigue Crack Growth(STP877). [s.l.]:[s.n.], 1985: 177-196．
【6】PHOPLONKER M A, BYRNE J, DUGGAN T V, et al. Near-threshold fatigue crack growth in aluminum bronze alloy[J]. ImechE, 1986,C227: 137-144．
【7】MCRAE K I. Application of “Fractomat/Krak-gage” to Crack Growth Measurement in Structural Component[M]. Victoria,B.C,Canada: Defence Research Establishment Pacific,Research and Development Branch,1982．
【8】PRABHAKARAN, RAMAMURTHY. Method of Continuously Determining Crack Length: U.S., 5,227,731[P]. 1993-07-13．
【9】NICHOLLS, JOHN Rayment. Measuring Device: U.S.,6,172,511[P]. 2001-01-09．
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