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Estimating Plane Strain Fracture Toughness Of High Strength Aluminum Alloys From Crack Arrest Toughness
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Book Synopsis Estimating Plane Strain Fracture Toughness of High Strength Aluminum Alloys from Crack Arrest Toughness by : RC. Dorward
Download or read book Estimating Plane Strain Fracture Toughness of High Strength Aluminum Alloys from Crack Arrest Toughness written by RC. Dorward and published by . This book was released on 1977 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comparison is made between fracture toughness KIc as measured by recommended ASTM procedures and crack arrest toughness KIa as measured on more than 100 bolt-loaded double-cantilever beam (DCB) specimens from 7075, 7050, and 7049 alloy plates. Close agreement was found between the two values, KIa being on the average about 0.75 ksiin. (0.82 MPa?m) lower than than KIc over the range 18 to 29 ksiin. (20 to 32 MPa?m). This indicates that a simplified test based on a bolt-loaded DCB specimen could be used for quality control, lot release, and screening purposes. Measurements of crack length and specimen deflection are all that are required; the specimens do not have to be fatigue precracked, nor is a tensile machine needed.
Book Synopsis Review of Developments in Plane Strain Fracture Toughness Testing by :
Download or read book Review of Developments in Plane Strain Fracture Toughness Testing written by and published by ASTM International. This book was released on 2011 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Plane-strain Fracture Toughness of High-strength Aluminum Alloys by : Carl M. Carman
Download or read book Plane-strain Fracture Toughness of High-strength Aluminum Alloys written by Carl M. Carman and published by . This book was released on 1965 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Microstructure and Plane Strain Fracture Toughness of High Strength Aluminum Alloys by : Peter John Guest
Download or read book The Microstructure and Plane Strain Fracture Toughness of High Strength Aluminum Alloys written by Peter John Guest and published by . This book was released on 1967 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fracture Resistance of Aluminum Alloys by : John Gilbert Kaufman
Download or read book Fracture Resistance of Aluminum Alloys written by John Gilbert Kaufman and published by ASM International. This book was released on 2001-01-01 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annotation Kaufman prevents this summary of data on the fracture characteristics of aluminum alloys, broadly based on a publication by Alcoa in 1964, Fracture Characteristics of Aluminum Alloys. Coverage includes tensile properties as indicators of fracture behavior; notched-bar impact and related tests for toughness; notch toughness and sensitivity; tear resistance; fracture toughness; the interrelation of fracture characteristics; toughness at subzero and elevated temperatures; subcritical crack growth; and metallurgical considerations in fracture resistance. Most of the data is presented in only the English/engineering units, contrary to normal ASM International and Aluminum Association, Inc. policies. The author's credentials are not stated. c. Book News Inc
Book Synopsis Current Methods of Fracture-toughness Testing of High-strength Alloys with Emphasis on Plane Strain by : J. E. Campbell
Download or read book Current Methods of Fracture-toughness Testing of High-strength Alloys with Emphasis on Plane Strain written by J. E. Campbell and published by . This book was released on 1964 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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).
Book Synopsis Plane-strain Fracture-toughness Data for Selected Metals and Alloys by : James Edward Campbell
Download or read book Plane-strain Fracture-toughness Data for Selected Metals and Alloys written by James Edward Campbell and published by . This book was released on 1969 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Crack Arrest Fracture Toughness of 7075-T6 Aluminum Alloy by : D. McCluskey
Download or read book Crack Arrest Fracture Toughness of 7075-T6 Aluminum Alloy written by D. McCluskey and published by . This book was released on 1988 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: The plane-strain fracture toughness KIc represents the resistance of a material against crack initiation. The material toughness in the case of a run-arrest event involves a special "material property" called the crack arrest toughness KIa, which within certain limitations, is a measure of the ability of a material to arrest a fast running crack under linear elastic conditions. It has been indicated that KIa is a material property independent of specimen geometry, but this is not a universal belief. Whether or not KIa is a material property is still being debated. The objectives of this project were to measure the crack arrest fracture toughness of 7075-T6 aluminum alloy and to determine the effect of specimen size and thickness on KIa. The tests were performed in accordance with a proposed ASTM procedure developed for high-toughness and mediumstrength steels. Specimens that were used in this program exceeded the proposed minimum linear elastic size requirement of ferritic steel specimens by a factor of 4 between 2 and 10. KIa showed a slight dependence on test parameters such as stress intensity at crack initiation, specimen thickness, and crack jump lengths. However, KIa was not a strong function of the stress intensity at crack initiation K0. The mean value of KIa was an adequate representation of the crack arrest toughness value within the test matrix. The average KIa was only 10% lower than the average plane-strain fracture toughness KIc.
Book Synopsis Plane Strain Fracture Toughness of Aluminum Alloys at Room and Subzero Temperatures by : JG. Kaufman
Download or read book Plane Strain Fracture Toughness of Aluminum Alloys at Room and Subzero Temperatures written by JG. Kaufman and published by . This book was released on 1971 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis The Influence of Crack Length and Thickness in Plane Strain Fracture Toughness Tests by : Melvin H. Jones
Download or read book The Influence of Crack Length and Thickness in Plane Strain Fracture Toughness Tests written by Melvin H. Jones and published by . This book was released on 1969 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stress-corrosion Cracking in High Strength Steels and in Titanium and Aluminum Alloys by : Benjamin Floyd Brown
Download or read book Stress-corrosion Cracking in High Strength Steels and in Titanium and Aluminum Alloys written by Benjamin Floyd Brown and published by . This book was released on 1972 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Damage Tolerant Design Handbook by : Metals and Ceramics Information Center (U.S.)
Download or read book Damage Tolerant Design Handbook written by Metals and Ceramics Information Center (U.S.) and published by . This book was released on 1972 with total page 874 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aerospace Structural Metals Handbook by :
Download or read book Aerospace Structural Metals Handbook written by and published by . This book was released on 1989 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Experimental and Theoretical Investigation of Plane-stress Fracture of 2024-T351 Aluminum Alloy by :
Download or read book An Experimental and Theoretical Investigation of Plane-stress Fracture of 2024-T351 Aluminum Alloy written by and published by . This book was released on 1970 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plane-stress fracture behavior of precracked aluminum alloys.
Download or read book Hexa written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Damage Tolerant Design Handbook. A Compilation of Fracture and Crack- Growth Data for High-Strength Alloys by :
Download or read book Damage Tolerant Design Handbook. A Compilation of Fracture and Crack- Growth Data for High-Strength Alloys written by and published by . This book was released on 1983 with total page 742 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract same as ADA141899. This edition entirely revamps the 1975 edition. This edition is arranged by alloy rather than by property as in the previous addition. The data are presented in eight chapters and four volumes. Plane-strain fracture toughness (KIC), critical plane stress fracture toughness, apparent fracture toughness, R-curve, fatigue crack growth rates, sustained-load crack growth rate and threshold stress intensity (KISCC) data are presented for stainless steels, titanium alloys, nickel-base alloys, alloy steels, 2000-, 6000- and 7000-series aluminum alloys.
Book Synopsis Damage Tolerant Design Handbook. A Compilation of Fracture and Crack- Growth Data for High-Strength Alloys. Volume 1 by :
Download or read book Damage Tolerant Design Handbook. A Compilation of Fracture and Crack- Growth Data for High-Strength Alloys. Volume 1 written by and published by . This book was released on 1983 with total page 877 pages. Available in PDF, EPUB and Kindle. Book excerpt: This edition entirely revamps the 1975 edition. This edition is arranged by alloy rather than by property as in the previous addition. The data are presented in eight chapters and four volumes. Plane-strain fracture toughness (KIC), critical plane stress fracture toughness, apparent fracture toughness, R-curve, fatigue crack growth rates, sustained-load crack growth rate and threshold stress intensity (KISCC) data are presented for stainless steels, titanium alloys, nickel-base alloys, alloy steels, 2000-, 6000- and 7000-series aluminum alloys.
