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Development Of High Strength And Fracture Toughness In Steels Through Strain Induced Transformations
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Book Synopsis Development of High Strength and Fracture Toughness in Steels Through Strain-Induced Transformations by : J. D. Morrison
Download or read book Development of High Strength and Fracture Toughness in Steels Through Strain-Induced Transformations written by J. D. Morrison and published by . This book was released on 1962 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation was made to determine the effects of variations in alloy content, coldworking temperature, and amount of cold work, on the tensile and toughness properties of metastable austenitic stainless steels. The purpose of this program was to arrive at an alloy composition and processing procedure that results in an optimum combination of strength and toughness in a structural sheet material that can be used in the fabrication of highly stressed structures, such as rocket motor casings. It was found that the optimum combination of high yield strength and fracture toughness is obtained by cold working alloys containing about 0.04% to0.05% carbon. The effect of post-deformation heat treatments on the properties of the cold-worked stainless steels was found to be a function of the amount of deformation. In standard Type 301 stainless steel cold reduced 40% to 50%, precipitation of fine carbides in transformed (martensitic) areas was evident after exposure to 800 F for 24 hr. (Author).
Download or read book NASA Technical Note written by and published by . This book was released on 1964 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Abstract Bulletin by : Defense Documentation Center (U.S.)
Download or read book Technical Abstract Bulletin written by Defense Documentation Center (U.S.) and published by . This book was released on 1964 with total page 1148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 1994 with total page 836 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of High Fracture Toughness in Maraging Steels by : Stephen D. Antolovich
Download or read book Development of High Fracture Toughness in Maraging Steels written by Stephen D. Antolovich and published by . This book was released on 1975 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt: If 300 grade maraging steel is heat-treated to contain a distribution of tough austenite in an aged martensitic matrix, the fracture toughness can be improved significantly with only minimal decreases in the ultimate tensile strength. Studies have been carried out to determine the reasons for this increase. In particular the structure has been characterized by scanning (SEM) and transmission electron microscopy (TEM), plastic zone sizes and shapes have been determined by microhardness and etching techniques, plane-strain crack tip opening displacements have been measured under loading, and fracture surfaces have been examined both by scanning and replica electron fractography. In addition, a survey of the fatigue crack propagation (FCP) characteristics have been carried out. Some testing was done at -196 C. The fracture toughness of the specially treated steel was equivalent to what was obtained for conventionally treated steel at room temperature. This process was extended to the ultra high strength 350 grade steel and again a significant improvement in toughness was obtained although the magnitude of the increase was not as large as was obtained for the 300 grade steel. A model based on the energy absorbed during plastic deformation of the austenite in the plastic enclave ahead of the crack tip has been proposed and is in good agreement with the experimental results. In some cases, heat treatments were used that result in formation of metastable austenite which transforms to martensite at crack tip on loading. This is a mode of plastic deformation that is responsible for very high toughness.
Book Synopsis U.S. Government Research Reports by :
Download or read book U.S. Government Research Reports written by and published by . This book was released on 1963 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government-wide Index to Federal Research & Development Reports by :
Download or read book Government-wide Index to Federal Research & Development Reports written by and published by . This book was released on 1965 with total page 1654 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bibliography of Scientific and Industrial Reports by :
Download or read book Bibliography of Scientific and Industrial Reports written by and published by . This book was released on 1965-07 with total page 1698 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Blast Furnace and Steel Plant written by and published by . This book was released on 1964 with total page 992 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fracture Toughness Testing in Alloy Development by : RP. Wei
Download or read book Fracture Toughness Testing in Alloy Development written by RP. Wei and published by . This book was released on 1965 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the past five years, fracture mechanics has been used as a basis for the evaluation of the fracture toughness of high-strength steels and other high-strength alloys. Some of the considerations involved in the selection of plane-strain fracture toughness as the most appropriate and significant parameter for ultrahigh-strength alloy steel development are discussed in this paper.
Book Synopsis Materials Research and Standards by :
Download or read book Materials Research and Standards written by and published by . This book was released on 1964 with total page 1130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis New Advanced High Strength Steels by : Mohamed Goune
Download or read book New Advanced High Strength Steels written by Mohamed Goune and published by John Wiley & Sons. This book was released on 2024-01-11 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, significant developments have been made to increase the mechanical strength of steels in order to reduce the overall weight of structures, particularly in motor vehicles. Depending on the application, the increase in strength should not be at the expense of forming and in-use properties. The development of ultra-high strength steels requires a search for new trade-offs between these properties in order to optimize the final microstructure. New Advanced High Strength Steels analyzes the interactions between tensile mechanical properties and properties such as work hardening, anisotropy, resistance to rupture, fatigue life, corrosion resistance, crashworthiness, edge retention, hydrogen resistance and weldability. It also examines the links between the microstructural parameters of high-strength steels and the properties mentioned above. It highlights the metallurgical developments that have been necessary for the emergence of these new generations of steels. The book concludes with a look ahead to future developments in ultra-high strength steels
Book Synopsis Evaluation of Special 301-type Stainless Steel for Improved Low-temperature Notch Toughness of Cryoformed Pressure Vessels by : Thomas W. Orange
Download or read book Evaluation of Special 301-type Stainless Steel for Improved Low-temperature Notch Toughness of Cryoformed Pressure Vessels written by Thomas W. Orange and published by . This book was released on 1966 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tensile Coupon Tests of Cryoformed AISI 301 Stainless-steel Pressure Vessels at Cryogenic Temperatures by : Thomas W. Orange
Download or read book Tensile Coupon Tests of Cryoformed AISI 301 Stainless-steel Pressure Vessels at Cryogenic Temperatures written by Thomas W. Orange and published by . This book was released on 1964 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Strain Gage Readings written by and published by . This book was released on 1963 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis U. S. Government Research and Development Reports by :
Download or read book U. S. Government Research and Development Reports written by and published by . This book was released on 1965 with total page 1776 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Keywords Index to U.S. Government Technical Reports by :
Download or read book Keywords Index to U.S. Government Technical Reports written by and published by . This book was released on 1962 with total page 1160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
