 High temperature inspection cases Thermal expansion coefficient measurement Titanium alloy materials with known thermal expansion coefficients are measured in the range of 600 degrees. The accuracy of the high temperature inspection method proposed in this paper is verified by comparing the measured thermal expansion coefficients at high temperatures.Comparisons with material manual data. Deformation of thin plate by laser heating A customer tested the strain field change of the bright spot area on the surface of 40X40mm sheet during laser heating and melting. The surface temperature of the sheet during melting-through was about 1400 degrees, and the whole heating time was more than ten seconds. Welding deformation of sheet metal The material is Q235 steel plate, the size of bottom plate is 500 x 400 mm, the size of vertical plate is 500 x 200 mm, and the thickness of plate is 3 mm. The welding method is inert gas shielded welding with molten pole. The instability deformation of weld seam is measured. Tensile measurement at high temperature. Tensile test of a material specimen at a certain temperature to measure the displacement and strain fields on the surface of the specimen |
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