Indian Welding Journal

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Fracture Toughness Testing of Maraging Steel Weldments


Affiliations
1 Corporate R & D , B.H.E.L., Hyderabad-500 593, India
2 V.S.S.C., Trivandrum-695002, India
     

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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.
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  • Fracture Toughness Testing of Maraging Steel Weldments

Abstract Views: 482  |  PDF Views: 4

Authors

G. Jayaraman
Corporate R & D , B.H.E.L., Hyderabad-500 593, India
K. Rajanna
Corporate R & D , B.H.E.L., Hyderabad-500 593, India
S. Arumugham
V.S.S.C., Trivandrum-695002, India

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.