tailieunhanh - Nondestructive testing of residual stress on the welded part of butt-welded A36 plates using electronic speckle pattern interferometry

In this study, ESPI was used to measure the residual stress on the welded part of butt-welded American Society for Testing and Materials (ASTM) A36 specimens with CO2 welding. Four types of specimens, base metal specimen (BSP), tensile specimen including welded part (TSP), compression specimen including welded part (CSP), and annealed tensile specimen including welded part (ATSP), were tested. BSP was used to obtain the elastic modulus of a base metal. | Nondestructive testing of residual stress on the welded part of butt-welded A36 plates using electronic speckle pattern interferometry

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