数字图像相关
材料科学
拉伸试验
极限抗拉强度
各向异性
变形(气象学)
复合材料
张力(地质)
拉伤
数字图像
灵敏度(控制系统)
计算机科学
光学
图像(数学)
图像处理
物理
内科学
工程类
人工智能
医学
电子工程
作者
Shih-Heng Tung,Ming‐Hsiang Shih,Jui‐Chao Kuo
标识
DOI:10.1016/j.optlaseng.2009.09.011
摘要
The application of digital image correlation (DIC) to analyze the heterogeneity deformation of single crystal aluminum during a micro-tensile test was demonstrated. Before testing the single crystal aluminum, a test was carried out on a steel material to evaluate the sensitivity of DIC during a tensile test experiment. The results obtained through DIC and strain gauge were compared. The Young's moduli of steel for loading and unloading, as determined by the DIC method, were found to be 201.6 and 200.5 GPa, respectively. The deformation heterogeneity in terms of the strain εx map obtained through the DIC method was characterized by a broadened band that was inclined at an angle of 75°.
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