Fracture Toughness Characteristics of the New Weldable Steels of 180- to 210-Ksi Yield Strengths PDF Download
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Author: Peter P. Puzak
Publisher:
ISBN:
Category : Steel
Languages : en
Pages : 36
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Book Description
The yield strength range for steels from 180 to 210 ksi is currently covered by four weldable alloys of the following nominal chemical analysis: 18%Ni-8%Co-3%Mo maraging steel, 12%Ni-5%Cr-3%Mo maraging steel, 9%Ni-4%Co-0.20%C quenched and tempered (Q and T) steel, and 10%Ni-8%Co-2%Cr-1%Mo-0.10%C Q and T steel. Broad ranges of fracture resistance have been reported for these materials based on various fracture tests, and this report presents information for material selection and design guidance by providing an analysis of the interactions between the metallurgical and mechanical parameters that contribute to the fracture resistance of plate products. Definitions of the interaction between the metallurgical and the mechanical aspects are developed with the use of the Dynamic Tear (DT) test and the Ratio Analysis Diagram (RAD). (Author).
Author: Peter P. Puzak
Publisher:
ISBN:
Category : Steel
Languages : en
Pages : 36
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Book Description
The yield strength range for steels from 180 to 210 ksi is currently covered by four weldable alloys of the following nominal chemical analysis: 18%Ni-8%Co-3%Mo maraging steel, 12%Ni-5%Cr-3%Mo maraging steel, 9%Ni-4%Co-0.20%C quenched and tempered (Q and T) steel, and 10%Ni-8%Co-2%Cr-1%Mo-0.10%C Q and T steel. Broad ranges of fracture resistance have been reported for these materials based on various fracture tests, and this report presents information for material selection and design guidance by providing an analysis of the interactions between the metallurgical and mechanical parameters that contribute to the fracture resistance of plate products. Definitions of the interaction between the metallurgical and the mechanical aspects are developed with the use of the Dynamic Tear (DT) test and the Ratio Analysis Diagram (RAD). (Author).
Author: P. P. Puzak
Publisher:
ISBN:
Category :
Languages : en
Pages : 11
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Author: Naval Research Laboratory (U.S.)
Publisher:
ISBN:
Category : Naval research
Languages : en
Pages : 148
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Author: United States. Naval Research Laboratory, Washington
Publisher:
ISBN:
Category : Naval research
Languages : en
Pages : 560
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Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1250
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Author: Welding Research Council (U.S.)
Publisher:
ISBN:
Category : Welding
Languages : en
Pages : 650
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 374
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Author: Albert M. Hall
Publisher:
ISBN:
Category : Maraging steel
Languages : en
Pages : 26
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Author: P. A. Kammer
Publisher:
ISBN:
Category : Martensitic stainless steel
Languages : en
Pages : 68
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Book Description
Recent studies of the developments in welding steels with yield strengths greater than 150 ksi have included low-alloy martensitic steels, medium-alloy martensitic steels, nickel maraging steels, and bainitic steels. Only weldments from medium-alloy martensitic steels and nickel maraging steels have mechanical properties approaching those of the base plate without a complete postweld heat treatment. The most serious problem with the other steel is low toughness in the weld fusion zone. Adequate weld metal toughness under conditions of elastic strain can be obtarined over the entire 150 to 225 ksi yield-strength range only if the tungsten-arc welding process is used. Processes with higher deposition rates can produce comparable weld deposits only in the lower portion of the range. Above a yield strength of 200 ksi, 18Ni maraging steel weldments have the best combination of strength and toughness. Below 200 ksi, the HP 9-4-25 medium-alloy martensitic steel and 12Ni maraging steel weldments have nearly equal properties.
Author:
Publisher: National Academies
ISBN:
Category : Steel alloys
Languages : en
Pages : 96
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