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МИНОБРНАУКИ РОССИИ
Федеральное государственное бюджетное учреждение науки
Институт проблем машиноведения Российской академии наук

МИНОБРНАУКИ РОССИИ
Федеральное государственное бюджетное учреждение науки
Институт проблем машиноведения Российской академии наук

Microstructure characterization of weld consumable condition on residual stress, flexural strength, and room temperature tensile tests of P92 steel

Авторы:
Vinay Kumar Pal , L.P. Singh ,
Страницы:
069-090
ДОИ (doi):
Аннотация:

The present manuscript describes the flexural strength, lower critical stress, and tensile stress of P92 steel welds was determined with respect to different conditions. The residual stresses axial and transverse stress were also measured blind hole drilling methods for the different conditions of welding consumables. The peak value of residual stresses was measured at the centre of the fusion zone. The maximum value of transverse stress was measured to be 355 MPa for case IV in which electrode after baking dipped in 20W oil for 10 minutes. The experimentally determined residual stresses correlated well with the numerically estimated residual stress. The microstructure characterization after PWHT and N&T treatment. For microstructure study, optical microscope and scanning electron microscope have been utilized. To characterize the mechanical behavior, tensile test for multi-pass welds joint, hardness and Charpy impact toughness and fracture surface morphology test, flexural test for multi-pass welds joint were performed.

Файл (pdf):
18:27
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