Coatings for combined thermoelastic and photoelastic stress measurement

机译：用于热弹性和光弹性应力测量的涂层

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Thermoelastic and photoelastic stress analysis systems effectively provide information about the sum and difference of the principal stresses, respectively. Combining these two full-field, non-contact NDE techniques allows the individual stress components to be measured. One of the main difficulties in merging these two systems is in identifying an appropriate surface coating. Thermoelasticity demands a highly emissive surface, while photoelasticity requires a strain-induced birefringent, transparent coating with a retro-reflective backing. A number of candidate coatings that are useful for combined photoelastic and thermoelastic stress measurement have been identified, with sample results given here. Issues associated with the practical implementation of combined thermoelastic and phtoelastic stress measurement are also discussed in this paper.

机译：热弹性和光弹性应力分析系统分别有效地提供了关于主应力的总和和差异的信息。结合这两个全场，非接触式NDE技术允许测量各个应力分量。合并这两个系统的主要困难之一是识别适当的表面涂层。热弹性要求高发光表面，而光弹性需要具有复古反射背衬的应变诱导的双折射，透明涂层。已经鉴定了许多可用于组合的光弹性和热弹性应力测量的候选涂层，在此提供的样品结果。本文还讨论了与热弹性和Phtoelastic ressual测量的实际实施相关的问题。

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《Conference on nondestructive evaluation of bridges and highways》|1999年||共9页
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Deonna F. Woolard; Mark K. Hinders;
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中图分类结构力学;
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4. Coatings for combined thermoelastic and photoelastic stress measurement [C] . Deonna F. Woolard, College of William, Mary, Nondestructive Evaluation of Bridges and Highways III . 1999

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8. Waste Package Project. Final report, July 1, 1995--February 27, 1996: Volume 3, Stress study in faulted tunnel models by combined photoelastic measurements and finite element analysis [R] . Ladkany, S. G. , Huang, Y. 1996

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Coatings for combined thermoelastic and photoelastic stress measurement

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