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Napäťová a deformačná analýza metódou ESPI s využitím upínacieho prípravku pre šmykové skúšky Arcan

机译:使用夹紧夹具的ESPI方法进行应力和应变分析,以进行Arcan剪切测试

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摘要

This article describes the possibilities of utilizing of ESPI - Electronic Speckle Pattern Interferometry for system Q-100 application for strain and stress analysis on surface of flat specimens predominantly loaded by shear deformation. The fixture standardly used for shear tests – Arcan test was designated for such stress state excitation. Tested specimens were made with respect to their geometry by water ray from two materials - dural and stainless steel. There were determined stress fields in elastic area from measured strain fields which were consequently verified by finite element method.
机译:本文介绍了利用ESPI-电子散斑干涉技术在Q-100系统中对主要由剪切变形加载的扁平试样表面进行应变和应力分析的可能性。标准用于剪切测试的夹具– Arcan测试被指定用于这种应力状态激励。用硬质合金和不锈钢两种材料通过水射线法就其几何形状制成被测样品。根据测得的应变场确定了弹性区域的应力场,并通过有限元方法对其进行了验证。

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