THE EFFECTS OF RESTRAINT STRESS ON PHASE TRANSFORMATION AND FRACTURE TOUGHNESS IN WELD HAZ OF 15MnMoVNRE STEEL
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Abstract:
The effects of restraint stress on phase transformation and fracture toughness COD in weld HAZ of 15MnMoVNRE steel were studied by means of weld thermal simulation and COD testing. The results show that restraint stress accelerates phase transformation and makes the fracture toughness COD higher.
