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Causes Of Cracking In High-Strength Weld Metals

Report Number: WADC TR 52-322 Part 3
Author: Jacobs, A. J.
Author: Rieppel, P. J.
Author: Sopber, R. P.
Corporate Author: Battelle Memorial Lnstitute
Laboratory: Materials Laboratory
Date of Publication: 1954-08
Pages: 36
Contract: AF 33(038)-12619
Project: None Given
PB Number: PB145332
AD Number: AD0065474

This report summarizes work on the causes of cracking in high strength weld metals. Hot tension and weld metal cracking studies were conducted on SAE 43XX-type steels and other selected steels. Results from these studies showed a correlation, inasmuch as an increase in carbon, sulfur, and phosphorus tended to lower hot ductility and promote hot crack susceptibility, and a misch metal addition seemed to have the opposite effects.

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