| Local stress measurement using the thermoelastic effect (1968) | |||||||||||||
Abstract | |||||||||||||
| A technique for measuring local stresses in metallic specimens is proposed and tested. The technique depends on the experimental measurement of temperature changes in stressed members due to adiabatic elastic deformation. At a free boundary in a body under plane stress, these temperature changes are directly related to the value of the tangential principal stress. The technique is suited for measurement of stress-concentration effects, since the temperature changes can be measured with thermocouples featuring extremely small junctions.. Peer Reviewed. http://deepblue.lib.umich.edu/bitstream/2027.42/43937/1/11340_2006_Article_BF02326342.pdf | |||||||||||||
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