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首页> 外文会议>SEM International Congress Exposition on Experimental and Applied Mechanics >Early Strain Localization in Strong Work Hardening Aluminum Alloy (2198 T3): 3D Laminography and DVC Measurement
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Early Strain Localization in Strong Work Hardening Aluminum Alloy (2198 T3): 3D Laminography and DVC Measurement

机译：强力铝合金强力工作中的早期应变定位（2198 T3）：3D灯光图和DVC测量

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摘要

The effect of strain hardening on localization in front of a notch is assessed by following the interactions between strain concentrations, damage, initial microstructure and grain orientations. A CT-like specimen made of strong work hardening 2198 T3 aluminum alloy is subjected to an in situ synchrotron laminography experiment. Kinematic fields are measured via digital volume correlation. The final results are bulk displacement and strain fields including their corresponding resolutions. The reported results refer to the portion of the specimen around 1 mm away from the notch root. With the selected spatial resolution, damage nucleation and growth is evaluated in strained bands until the very end of the loading process.
机译：通过突出应变浓度，损伤，初始显微组织和晶粒取向的相互作用来评估应变硬化对凹口前面的定位的影响。由强工作硬化2198 T3铝合金制成的CT样标本经受原位同步rotron Laminogrous实验。运动场通过数字体积相关来测量。最终结果是包含其相应分辨率的批量位移和应变字段。据报道的结果是指距离凹口根部约1毫米的样品的部分。利用所选择的空间分辨率，在应变带中评估损伤成核和生长，直至加载过程的结束。

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