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Determination of polynomial depending between hardness and cooling time t8/5 of steel NIONICRAL 70 heat affected zone
(18th International Conference on New Trends in Fatigue and Fracture NT2F18, 2018)
Because of the high heating and cooling velocity values, welding procedure is an unstable process. During
welding, changes in microstructure are occurring under overheating and/or cooling conditions. In comparing to ...