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Original scientific paper

The Influence of Simulated Thermal Cycle on the Formation of Microstructures of Multi-Pass Weld Metal

D. Rojko
V. Gliha

Full text: english pdf 223 Kb

page 19-24

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In the present work was analysed the influence of weld thermal cycle on the microstructural changes in weld metal by use of the simulated microstructures. We examined the kinetics of the formation of austenite from the starting microstructure. The simulated microstructures were prepared by the application of simulated thermal cycles with different peak temperatures on a sample of real single-pass weld metal. The reproduction of thermal cycles were carried out by the SMITWELD simulator. Special attention was dedicated to the influence of thermal cycle on the formation of microstructures, which can be potential triggers of brittle fracture (local brittle zones).


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