Plane-strain Fracture-toughness Data for Selected Metals and Alloys PDF Download
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Author: James Edward Campbell
Publisher:
ISBN:
Category : Aluminum alloys
Languages : en
Pages : 36
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Book Description
The report contains the first compilation of available Plane-strain fracture toughness data and is the result of considerable interest during the past few years in developing test methods for obtaining these data. The report is divided into sections on aluminum alloys, high-strength alloy steels, intermediate- and low-strength steels, precipitation-hardening stainless steels, titanium alloys, nickel-base alloy 718, and beryllium.
Author: James Edward Campbell
Publisher:
ISBN:
Category : Aluminum alloys
Languages : en
Pages : 36
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Book Description
The report contains the first compilation of available Plane-strain fracture toughness data and is the result of considerable interest during the past few years in developing test methods for obtaining these data. The report is divided into sections on aluminum alloys, high-strength alloy steels, intermediate- and low-strength steels, precipitation-hardening stainless steels, titanium alloys, nickel-base alloy 718, and beryllium.
Author: William T. Matthews
Publisher:
ISBN:
Category : Metals
Languages : en
Pages : 86
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Book Description
Author: J. E. Campbell
Publisher:
ISBN:
Category : Alloys
Languages : en
Pages : 32
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Book Description
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: William T. Matthews
Publisher:
ISBN:
Category : Metals
Languages : en
Pages : 0
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Book Description
Author:
Publisher: ASTM International
ISBN: 9780803100589
Category : Fracture mechanics
Languages : en
Pages : 278
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Book Description
Author: William T. Matthews
Publisher:
ISBN:
Category : Metals
Languages : en
Pages : 86
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Book Description
Author: JG. Kaufman
Publisher:
ISBN:
Category : Aluminum alloys
Languages : en
Pages : 13
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Book Description
Plane strain fracture toughness tests have been made at room temperature, -112, and -320 F on plates of six aluminum alloys and tempers: 2014-T651, 2024-T851, 6061-T651, 7075-T651, 7075-T7351, and 7079-T651. The data indicate that the plane strain fracture toughness, KIc, of each of the alloys at the subzero temperatures is as high as or higher than that at room temperature. At -320 F apparently valid values of KIc ranged from 4 (7075-T7351) to 23 percent (2014-T651 and 7075-T651 ) higher than at room temperature. An even larger difference was indicated for 6061-T651 (about 40 percent higher), but the specimens tested at -320 F were not thick enough to satisfy the requirements of ASTM Test E 399 - 70 T. For the alloys of most interest for cryogenic applications, 2014-T651 and 6061-T651, the critical crack sizes at cryogenic temperatures are indicated to be as large as or larger than those at room temperature when evaluated at either a fixed operating stress or a constant percentage of the yield strength.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 107
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Book Description
An experimental program was conducted to determine the plane strain fracture toughness (K sub IC) of the following classes of: (1) AISI Alloy Steels (4340, 4140); (2) 5Cr-Mo-V Steels; (3) Precipitation-Hardening Stainless Steels (17-7 PH, PH 15-7 Mo, 17-4, AM355); (4) Titanium Alloy, Ti-6Al-4V. The precracked notched bend test was used as the test method and several heats of each material were evaluated over a range of test temperatures from -100 to +200 deg F. The (K sub IC) values, obtained under conditions which were believed to provide valid plane strain fracture toughness numbers, were compiled for possible presentation in handbook form. The method of presentation involved plotting (K sub IC) both as a function of material strength and test temperature. The resulting curves provide representative (K sub IC) figures which can aid in the selection of materials for reliable performance.
Author: William F. Brown
Publisher:
ISBN: 9780803100589
Category : Fracture mechanics
Languages : en
Pages : 269
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Book Description
Author: ASTM Committee E-24 Staff
Publisher: ASTM International
ISBN: 9780803101050
Category : Technology & Engineering
Languages : en
Pages : 430
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Book Description
