A Summary of Comparative Properties of Air-melted and Vacuum-melted Steels and Superalloys PDF Download
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Author: D. C. Ludwigson
Publisher:
ISBN:
Category : Heat resistant alloys
Languages : en
Pages : 158
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Book Description
Author: D. C. Ludwigson
Publisher:
ISBN:
Category : Heat resistant alloys
Languages : en
Pages : 158
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Author: H. J. Henning
Publisher:
ISBN:
Category : Heat resistant alloys
Languages : en
Pages : 48
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Author:
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 1220
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Author: United States. Dept. of Commerce. Office of Technical Services
Publisher:
ISBN:
Category :
Languages : en
Pages : 850
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Author: H. J. Henning
Publisher:
ISBN:
Category : Blacksmithing
Languages : en
Pages : 68
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Book Description
THIS REPORT IS MAINLY CONCERNED WITH FORGINGS MADE FROM MARTENSITIC STEELS HEAT TREATED TO STRENGTHS RANGING FROM 240,000 TO 300,000 PSI. FORGING CHARACTERISTICS, DESIGN LIMITATIONS, DIMENSIONAL TOLERANCES, AND QUALITY-CONTROL PROBLEMS ARE DISCUSSED. A CONSIDERABLE AMOUNT OF DATA ON MECHANICAL PROPERTIES IS ALSO PRESENTED. IN ADDITION, THE REPORT SUMMARIZES THE AVAILABLE INFORMATION ON FORGED, SEMIAUSTENITIAL STEELS. THIS COMPILATION IS BASED ON PUBLISHED ARTICLES, GOVERNMENT REPORTS, AND INTERVIEWS WITH PRODUCERS AND USERS OF STEEL FORGINGS.
Author: W. H. Johnson
Publisher:
ISBN:
Category : Heat resistant alloys
Languages : en
Pages : 42
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Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 950
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Author: P. J. O'Reilly
Publisher:
ISBN:
Category : Alloys
Languages : en
Pages : 138
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This report gives the experiences of several steel producers and consumers with vacuum degassing as a melting practice in the manufacture of high-strength steels for critical applications. The parameters involved in determining the effects of melting practice on mechanical properties are outlined. Pertinent melting processes are described and evaluated qualitatively. In presenting the data, vacuum degassing is compared with other melting practices such as conventional air melting and consumable-electrode vacuum-arc remelting (CEVAR). Generally, there is a trend indicating that vacuum degassing is being used in some production applications instead of air-melted or CEVAR material. In terms of higher and more uniform transverse tensile properties and impact strength, longer fatigue life, and improved cleanliness, the CEVAR alloys were the best. Vacuum degassing by any of the various methods resulted in an improvement in properties of air-melted alloys. In some instances it appeared that the quality of CEVAR alloys could be approached when stream degassing or D-H (Dortmund-Horder) treatment was applied to air melts. Recommendations are given for additional investigations on the effects of melting practice on mechanical properties of premium-quality steels. (Author).
Author: Kamal Asgar
Publisher:
ISBN:
Category : Dental metallurgy
Languages : en
Pages : 388
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Author: J. A. Houck
Publisher:
ISBN:
Category : Molybdenum
Languages : en
Pages : 196
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