The Study in the Displacement Field near Crack of the Plexiglass by Frequency Domination Method of the White Speckle
The Study in the Displacement Field near Crack of the Plexiglass by Frequency Domination Method of the White Speckle
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DOI：
10.4028/www.scientific.net/kem.306-308.357
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发表时间：
2006-01
期刊：
影响因子：
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通讯作者：
Xinhua Ji;Fangfei Xu;Jin Long Chen;Yuwen Qin
中科院分区：
文献类型：
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作者：
Xinhua Ji;Fangfei Xu;Jin Long Chen;Yuwen Qin
有机玻璃作为航空工业的进口材料，其断裂性能引起了研究人员的关注。白散斑技术可以在正常环境下无损地获得位移场。与激光散斑法相比，不需要干涉光源，也不需要隔振。文中阐述了该技术的原理，并测量了裂纹附近的位移场和SIF。结果表明，该技术非常适合工业化应用。
The fracture properties of Plexiglass bright the attentions of the researchers as it is the import material used in aero-planes industry The white speckle technique could obtain displacement fields nondestructively under the normal environment. Compare to the laser speckle method there are no interference light source and the vibration isolation needed. In the paper the principle of the technique is described and the displacement field near crack and SIF are measured. The results show that the technique is very suitable to the application in industry.