Literature Survey - Weldable High Strength Aluminum Alloys PDF Download
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Author: William George Fricke
Publisher:
ISBN:
Category : Aluminum alloys
Languages : en
Pages : 108
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Book Description
Author: William George Fricke
Publisher:
ISBN:
Category : Aluminum alloys
Languages : en
Pages : 108
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Book Description
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:
Publisher:
ISBN:
Category :
Languages : en
Pages : 22
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Book Description
Author: S. Kou
Publisher:
ISBN: 9781581453195
Category : Aluminum alloys
Languages : en
Pages : 20
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Book Description
Author: Rajiv S. Mishra
Publisher: Butterworth-Heinemann
ISBN: 0128094605
Category : Technology & Engineering
Languages : en
Pages : 122
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Book Description
Friction Stir Welding of High Strength 7XXX Aluminum Alloys is the latest edition in the Friction Stir series and summarizes the research and application of friction stir welding to high strength 7XXX series alloys, exploring the past and current developments in the field. Friction stir welding has demonstrated significant benefits in terms of its potential to reduce cost and increase manufacturing efficiency of industrial products in transportation, particularly the aerospace sector. The 7XXX series aluminum alloys are the premium aluminum alloys used in aerospace. These alloys are typically not weldable by fusion techniques and considerable effort has been expended to develop friction stir welding parameters. Research in this area has shown significant benefit in terms of joint efficiency and fatigue performance as a result of friction stir welding. The book summarizes those results and includes discussion of the potential future directions for further optimization. - Offers comprehensive coverage of friction stir welding of 7XXX series alloys - Discusses the physical metallurgy of the alloys - Includes physical metallurgy based guidelines for obtaining high joint efficiency - Summarizes the research and application of friction stir welding to high strength 7XXX series alloys, exploring the past and current developments in the field
Author: R. P. Meister
Publisher:
ISBN:
Category : Aluminum
Languages : en
Pages : 88
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Book Description
The purpose of this report is to summarize the present state of aluminum-welding technology. The major topics covered are: Basic metallurgy of various heat-treatable and non-heat-treatable alloy classes; welding processes used for joining aluminum with emphasis on newer processes and procedures which are considered important in defense metals industries; welding characteristics of various alloys; comparison of tensile properties, cracking tendencies, notch toughness, and stress-corrosion characteristics of various weldments; dissimilar metal welds; and causes of porosity and cracking of aluminum welds and the effect of porosity on weld strength. (Author).
Author: J. H. Rogerson
Publisher:
ISBN:
Category :
Languages : en
Pages : 13
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Book Description
Author: Shashanka Rajendrachari
Publisher: BoD – Books on Demand
ISBN: 1837685088
Category : Technology & Engineering
Languages : en
Pages : 230
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Book Description
This book is an important guide to aluminum alloys. It discusses the basics of aluminum alloys, how they are prepared, how their properties can be altered, the relationship between their microstructures and properties, and their advanced applications. This book includes eleven chapters organized into four sections: “Introduction to Aluminum Alloys”, “Fabrication of Aluminum Alloys”, “Properties of Aluminum Alloys”, and “Advanced Applications of Aluminum Alloys”. Chapters address such topics as aluminum alloys and their grain refinement; extrusion, low- and high-pressure casting, and additive manufacturing techniques to prepare different grades of aluminum alloys; how the property of aluminum alloys can be altered by adding dispersing agents; and more.
Author: Rajiv S. Mishra
Publisher: Butterworth-Heinemann
ISBN: 0128092920
Category : Technology & Engineering
Languages : en
Pages : 112
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Book Description
Friction Stir Processing of 2XXX Aluminum Alloys including Al-Li Alloys is the latest edition in the Friction Stir Welding and Processing series and examines the application of friction stir welding to high strength 2XXX series alloys, exploring the past and current developments in the field. The book features recent research showing significant benefit in terms of joint efficiency and fatigue performance as a result of friction stir welding. Friction stir welding has demonstrated significant benefits in terms of its potential to reduce cost and increase manufacturing efficiency of industrial products including transportation, particularly the aerospace sector. The 2XXX series aluminum alloys are the premium aluminum alloys used in aerospace. The book includes discussion of the potential future directions for further optimization, and is designed for both practicing engineers and materials scientists, as well as researchers in the field. - Provides comprehensive coverage of friction stir welding of 2XXX series alloys - Discusses the physical metallurgy of the alloys - Includes physical metallurgy-based guidelines for obtaining high joint efficiency - Features illustrated examples of the application of FSW in the aerospace industry
Author: M. I. Jacobson
Publisher:
ISBN:
Category :
Languages : en
Pages : 27
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Book Description
The objective of this research was to develop methods for improving welded joints in high-strength aluminum alloys. Details of the work done during the period March 1, 1951, to March 31, 1952, on the analysis of wrought aluminum alloys for hydrogen are presented. A summary of the work done during the same period on modified aluminum-magnesium filler metals, welding of ballistic test specimens, and ultrasonic vibration of weld metal is also presented. A method of determining the hydrogen content of wrought aluminum alloys with a precision of + or 1 0.1 ml per 100 grams was developed. The external and internal hydrogen contents of samples of six commercial alloys were determined. In general, the amount of internal hydrogen was much less than that of the external hydrogen.
