Fracture Toughness Of High Strength Steels For Military Applications
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Author | : J. E. Campbell |
Publisher | : |
Total Pages | : 22 |
Release | : 1968 |
Genre | : Steel, High strength |
ISBN | : |
The Memorandum discusses the current situation on the inclusion of fracture-toughness testing requirements in specifications for high-strength steels used for military applications. The Memorandum was prepared at the request of The Technical Cooperation Program (TTCP), and contains information from Canadian and British members of that program, as well as U.S. information. Military applications discussed include missile motor cases, aircraft landing gear, gun tubes, armor plate, and hydrofoils. (Author).
Author | : K. GARLAND |
Publisher | : |
Total Pages | : 18 |
Release | : 1971 |
Genre | : |
ISBN | : |
Author | : J. E. Campbell |
Publisher | : |
Total Pages | : 32 |
Release | : 1964 |
Genre | : Alloys |
ISBN | : |
Fracture-toughness testing using principles of fracture mechanics has developed to the point where it can be used as a basis for selection of materials, for estimating limiting design stresses assuming the presence of small flaws, and for analyzing failures. Current methods of measuring plane-stress and plane-strain fracturetoughness parameters are presented in this report. The specimens include center-cracked, edge-cracked, single-edge-cracked, surface-cracked, and notched round bars, which are subjected to tensile loading, and notched bars for bend tests. The different types of specimens permit evaluating sheet, plate, bar stock, and forgings as well as material from failed structures. Application of fracture-toughness parameters to design of high-strength structures is reviewed for both static and fatigue loading. Consideration of the fracture-mechanics concepts in design should lead to fewer problems with brittle fracture in high-strength structures. (Author).
Author | : James Edward Campbell |
Publisher | : |
Total Pages | : 76 |
Release | : 1960 |
Genre | : Fracture mechanics |
ISBN | : |
Author | : Charles W. Marschall |
Publisher | : |
Total Pages | : 46 |
Release | : 1961 |
Genre | : Steel, High strength |
ISBN | : |
Author | : Toshihiro Hanamura |
Publisher | : Springer |
Total Pages | : 71 |
Release | : 2014-09-04 |
Genre | : Technology & Engineering |
ISBN | : 4431544992 |
In this book, advanced steel technologies mainly developed at the National Institute for Materials Science (NIMS), Japan, for structure control, mechanical properties, and the related mechanisms are introduced and discussed. NIMS has long worked on developing advanced steel techniques, namely, producing advanced steels by using only simple alloying elements such as carbon, manganese, and silicon, and also by utilizing steel scrap. The hope is that this approach will lead to a technology of a so-called steel-to-steel recycling process, with the ultimate goal of a recycling process such as an automotive-steel-to-automotive-steel recycling process to take the place of the current cascade-type recycling system. The main idea is to utilize ultra-grain refining structures and hetero structures as well as martensite structures. In particular, the focus of this book is on tensile strength and toughness of advanced steels from both the fundamental and engineering points of view. Fundamentally, a unique approach to analysis is taken, based on fracture surface energy as effective grain size is employed to better understand the mechanism of property improvement. From the engineering point of view, in fracture toughness such factors as crack tip opening displacement (CTOD) of advanced steels are evaluated in comparison with those of conventional steels.
Author | : F. J. Barone |
Publisher | : |
Total Pages | : 38 |
Release | : 1963 |
Genre | : Stainless steel |
ISBN | : |
Author | : Peter P. Puzak |
Publisher | : |
Total Pages | : 36 |
Release | : 1969 |
Genre | : Steel |
ISBN | : |
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 | : Murray N. Sargisson |
Publisher | : |
Total Pages | : 125 |
Release | : 1971 |
Genre | : |
ISBN | : |
Author | : Metallurgical Society of AIME. Institute of Metals Division. Structural Materials Technical Committee |
Publisher | : |
Total Pages | : 426 |
Release | : 1966 |
Genre | : Metals |
ISBN | : |