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http://worldcat.org/entity/work/id/1153560342

EVALUATION OF HIGH-NICKEL STEEL FOR APPLICATION IN LARGE BOOSTER MOTOR FABRICATION

The results of investigations conducted to deter mine the mechanical and metallurgical properties and weldability of the 18%-nickel maraging alloy steels. The information in this report relates specifically to the results of studies conducted to: (1) establish the mechanical and metallurg ical properties, including fracture toughness, of parent-metal 18%-nickel alloy steels processed by different melting techniques; (2) determine the effect of varying weld-wire compositions on the mechanical and metallurgical properties of TIG-welded 1/2-in.-thick material; (3) determine the effect of the MIG and submerged-arc process on the mechanical and metallurgical properties of welded 1/2-in.-thick material; and (4) deter mine the fracture toughness of weld deposits and heat-affected zones. The selection of an optimum material was based on the results of these studies. A supplemental program, which has increased the scope of fracture-toughness testing, was authorized. Progress made on this supplemental program is also presented.

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  • "The results of investigations conducted to deter mine the mechanical and metallurgical properties and weldability of the 18%-nickel maraging alloy steels. The information in this report relates specifically to the results of studies conducted to: (1) establish the mechanical and metallurg ical properties, including fracture toughness, of parent-metal 18%-nickel alloy steels processed by different melting techniques; (2) determine the effect of varying weld-wire compositions on the mechanical and metallurgical properties of TIG-welded 1/2-in.-thick material; (3) determine the effect of the MIG and submerged-arc process on the mechanical and metallurgical properties of welded 1/2-in.-thick material; and (4) deter mine the fracture toughness of weld deposits and heat-affected zones. The selection of an optimum material was based on the results of these studies. A supplemental program, which has increased the scope of fracture-toughness testing, was authorized. Progress made on this supplemental program is also presented."@en

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  • "EVALUATION OF HIGH-NICKEL STEEL FOR APPLICATION IN LARGE BOOSTER MOTOR FABRICATION"@en

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