Fracture Toughness Testing of Maraging Steel Weldments
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Authors
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Corporate R & D , B.H.E.L., Hyderabad-500 593 ,IN
G. Jayaraman -
Corporate R & D , B.H.E.L., Hyderabad-500 593 ,INK. Rajanna
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V.S.S.C., Trivandrum-695002 ,INS. Arumugham
Abstract
Evaluation of fracture toughness of 18 Ni M250 grade maraging steel weldments has been made by resorting to 'R' curve method as per ASTM E561 standard. Fracture toughness of HAZ was found to be higher than that of weld-metal. Most of the weldments passed the minimum specified value.
