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Effect Of Heat Treatment On Mechanical Properties And Microstructure Of Four Different Heats Of Astm A710 Steel
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Book Synopsis Effect of Heat Treatment on Mechanical Properties and Microstructure of Four Different Heats of ASTM A710 Steel by : G. E. Hicho
Download or read book Effect of Heat Treatment on Mechanical Properties and Microstructure of Four Different Heats of ASTM A710 Steel written by G. E. Hicho and published by . This book was released on 1985 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: A710 is an high strength low alloy steel whose strength is a result of both a fine grained microstructure and a dispersion of copper precipitates. For these reasons, the tensile and impact properties of an A710 plate depend as much on the thermo-mechanical history of each plate as on the chemistry of each heat. Since plates shipped from steel suppliers are frequently heat treated under different conditions, it is difficult to attribute property differences to chemistry variations rather than to heat treatment variations or vice versa. Heat to heat property differences must be determined for a specific, known heat treatment. This report describes the variability in the mechanical properties of four plates (representing four heats of steel) that have received known, and carefully controlled, heat treatments at the National Bureau of Standards. The sensitivity of these properties to heat treatment variations within each heat of steel is also reported here. Optical and electron metallographic techniques were used to determine as-received and heat treated microstructures. Scanning electron fractography was used to ascertain the fracture mechanism in the tensile and impact tests. This report also contains two appendices in which splitting fracture and microchemistry observations in A710 are discussed. Keywords: Grain size; Age hardening; Ultra fine niobium carbon nitride; Tables(data); Charts; Photographs; Microchemistry. (Author).
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1990 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications of the National Institute of Standards and Technology ... Catalog by : National Institute of Standards and Technology (U.S.)
Download or read book Publications of the National Institute of Standards and Technology ... Catalog written by National Institute of Standards and Technology (U.S.) and published by . This book was released on 1987 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications by : United States. National Bureau of Standards
Download or read book Publications written by United States. National Bureau of Standards and published by . This book was released on 1987 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Variations in Heat Treatment on the Mechanical Properties and Microstructure of ASTM A710 Grade A Class 3 Steel by : G. E. Hitcho
Download or read book Effects of Variations in Heat Treatment on the Mechanical Properties and Microstructure of ASTM A710 Grade A Class 3 Steel written by G. E. Hitcho and published by . This book was released on 1983 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt: A final report assessing the effects of variations in heat treatment on the mechanical properties and microstructure of ASTM A710 grade A class 3 steel is given. The goal of this project was to evaluate the sensitivity of the mechanical properties of A710, an age hardening steel, to heat treatment variations that may occur in the production of thick plate. Tensile and impact tests were conducted on the material heat treated under the various conditions. Microstructure evaluations using optical and electron metallographic methods were conducted. Small angle neutron scattering examinations were also performed on selected specimens in order to evaluate the precipitate distribution. Results indicate that austenitization and aging time has little effect on the resultant mechanical properties. However, the mechanical properties were found to be sensitive to aging temperature. Impact results at 0 F indicate that aging at 900 F is detrimental in that the fracture surfaces of the broken impacts exhibited cleavage. Furthermore, the results suggest that welding or similar heating operations will not seriously degrade this material's properties.
Book Synopsis Publications of the National Bureau of Standards, 1986 Catalog by : United States. National Bureau of Standards
Download or read book Publications of the National Bureau of Standards, 1986 Catalog written by United States. National Bureau of Standards and published by . This book was released on 1987 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications of the National Bureau of Standards ... Catalog by : United States. National Bureau of Standards
Download or read book Publications of the National Bureau of Standards ... Catalog written by United States. National Bureau of Standards and published by . This book was released on 1984 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Recrystallization '90 by : T. Chandra
Download or read book Recrystallization '90 written by T. Chandra and published by . This book was released on 1990 with total page 946 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Variations in Heat Treatment on the Mechanical Properties and Microstructure of ASTM A710 Grade A Class 3 Steel by : G. E. Hicho
Download or read book Effects of Variations in Heat Treatment on the Mechanical Properties and Microstructure of ASTM A710 Grade A Class 3 Steel written by G. E. Hicho and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1986 with total page 968 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications of the National Bureau of Standards by : United States. National Bureau of Standards
Download or read book Publications of the National Bureau of Standards written by United States. National Bureau of Standards and published by . This book was released on 1986 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
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Book Synopsis Heat Treatment and Properties of Iron and Steel by : Samuel Jacob Rosenberg
Download or read book Heat Treatment and Properties of Iron and Steel written by Samuel Jacob Rosenberg and published by . This book was released on 1966 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Heat Treatment on the Mechanical Properties of 1 Per Cent Carbon Steel by : Herbert James French
Download or read book Effect of Heat Treatment on the Mechanical Properties of 1 Per Cent Carbon Steel written by Herbert James French and published by . This book was released on 1922 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heat Treatment and Properties of Iron and Steel by : Samuel Jacob Rosenberg
Download or read book Heat Treatment and Properties of Iron and Steel written by Samuel Jacob Rosenberg and published by . This book was released on 1950 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
