Effects of Porosity on the Tensile Properties of 5083 and 6061 Aluminum Alloy Weldments PDF Download
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Author: Frederick VanBuren Lawrence
Publisher:
ISBN: 9781581451801
Category : Aluminum alloys
Languages : en
Pages : 23
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Book Description
Author: Frederick VanBuren Lawrence
Publisher:
ISBN: 9781581451801
Category : Aluminum alloys
Languages : en
Pages : 23
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Book Description
Author: J. D. Burk
Publisher:
ISBN: 9781581452334
Category : Aluminum alloys
Languages : en
Pages : 14
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Book Description
Author: David W. Hoeppner
Publisher: ASTM International
ISBN:
Category : Soudures
Languages : en
Pages : 301
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Book Description
Author: D. W. Hoeppner
Publisher: ASTM International
ISBN: 9780803103481
Category : Technology & Engineering
Languages : en
Pages : 304
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Book Description
Author: F. V Lawrence (Jr)
Publisher:
ISBN: 9781581452051
Category : Aluminum alloys
Languages : en
Pages : 23
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Book Description
The results of the investigation indicate that 5083-5183 welds subjected to fatigue are little affected by porosity if the weld reinforcement is left in place. The weld reinforcement itself is the critical and fatigue limiting notch. Most welds tested with their reinforcement removed gave longer fatigue lives than as-welded tests regardless of porosity level. Porosity most influenced the fatigue lives of the reinforcement removed tests at the lowest stress levels. The radiographic standards currently in use by the U.S. Navy were found to be effective in insuring superior results with reinforcement removed welds. Conversely, few reinforcement removed welds which failed these standards gave shorter fatigue lives than porosity-free, as-welded welds.
Author: Robert Melvin Evans
Publisher:
ISBN:
Category : Aluminum alloys
Languages : en
Pages : 34
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Book Description
This memorandum describes the fusion-welding characteristics, mechanical properties, and stress-corrosion behavior of high-strength, weldable aluminum alloys. These are defined as alloys in which sound welds can be produced and in which at least 50 and 70 percent of the maximum base-metal strength can be retained in the as-welded and post-weld-treated conditions, respectively. Careful selection of joining method and filler metals as well as close control of joining-process parameters is necessary to produce high-strength aluminum weldments. Highest strengths and weld-joint efficiencies in high-strength weldable alloys are achieved with the use of postweld aging and/or mechanical treatments. The best combination of highest strengths and good welding characteristics is found in the 2000 and 7000 alloy series. As compared with the 2000 and 5000 alloy series, the 7000 alloy as a class suffer three major property disadvantages: (1) their tendency to be notch sensitive, (2) their tendency to exhibit low toughness at low temperatures, and (3) their much greater susceptibility to stress-corrosion cracking. Nonetheless, several relatively new 7000 series alloys have been developed which show reasonably good notch toughness to -423 F and which are considered competitive with the 2219 and 2014 alloys for cryogenic applications. (Author).
Author: William Alfred McCarthy
Publisher:
ISBN:
Category : Porosity
Languages : en
Pages : 128
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Book Description
Author: Donald O. Thompson
Publisher: Springer Science & Business Media
ISBN: 9780306444838
Category : Computer engineering
Languages : en
Pages : 2488
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Book Description
In the current volume, consisting of Parts A and B, edited vers ions of most of the papers presented at the annual Review of Progress in Quantitative Nondestructive Evaluation held at Bowdoin College, Brunswick, Maine on July 28-August 2, 1991 have been collected. The Review was organized by the Center for NDE at Iowa State University and the Ames Laboratory of the USDOE in cooperation with a number of organizations including the Air Force Materials Directorate, Wright Laboratory, Wright Patterson Air Force Base, the American Society for Nondestructive Testing, the Center for NDE at Johns Hopkins University, Department of Energy, Federal Aviation Administration, National Institute of Standards and Technology, National Science Foundation IndustryjUniversity Cooperative Research Centers, and the Office of Naval Research. The 1991 Review of Progress in QNDE was attended by approximately 450 participants from the US and many foreign countries who presented over 360 papers. Divided into 36 sessions, with as many as four sessions running concurrently, the meeting covered all phases of NDE development from basic research to engineering applications and all methods of inspection science from acoustics to x-rays. Over the past ten years, the participants of the Review have seen it grow into one of the largest and most significant gatherings of NDE researchers and engineers anywhere in the world. By sharing their work at this conference, they deserve much credit for its success.
Author: N R Mandal
Publisher: Woodhead Publishing
ISBN: 9781855735972
Category : Science
Languages : en
Pages : 162
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Book Description
This publication is a comprehensive book on the welding of aluminium, aimed primarily at practising engineers and students of welding technology. After describing the properties of wrought and cast aluminium alloys, their applications, alloy designations and composition, both in heat-treatable and non heat-treatable alloys, it goes on to explain the process variables in weld metal transfer mechanisms, the ways of overcoming problems in GAS tungsten ARC welding, and distortion - also providing numerical methods of analysis. A thorough and timely guide to all aspects of aluminium welding.
Author:
Publisher:
ISBN:
Category : Mechanics, Applied
Languages : en
Pages : 636
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Book Description
