Stress Corrosion Cracking of an Aluminum Zinc Magnesium Alloy PDF Download
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Author: Louis A. Luini
Publisher:
ISBN:
Category : Aluminum-zinc alloys
Languages : en
Pages : 124
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Author: Louis A. Luini
Publisher:
ISBN:
Category : Aluminum-zinc alloys
Languages : en
Pages : 124
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Book Description
Author: H. L. Craig
Publisher:
ISBN:
Category : Aluminum alloys
Languages : en
Pages : 19
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Book Description
The stress corrosion cracking phenomenon in an aluminumzinc-magnesium alloy is affected by the environmental factors in a different fashion than the way these factors affect other corrosion processes. The presence of traces of moisture is sufficient for stress corrosion cracking to proceed; the absence of moisture prevents cracking. The time required to initiate stress corrosion cracking is affected mostly by the temperature of the environment. Wide variations in sodium chloride concentration have no effect on the time-to-failure. Changes in solution pH and contamination with dissolved copper alter the time required to produce failure, so that stress corrosion cracking is not a continuous function of either variable. Evidence is presented which shows that the manner of stressing a specimen and specimen configuration both affect failure time. These anomalies may be used to understand the lack of reproducibility of stress corrosion testing and the difficulties encountered in correlation studies, either among different tests or the same test carried out by different laboratories.
![Studies of Hydrogen Embrittlement and Stress-corrosion Cracking in an Aluminum-zinc-magnesium Alloy. [5. 6 Zn - 2. 6 Mg]. PDF](https://books.google.com/books/content/images/frontcover/XFrCwQEACAAJ?fife=w80-h100)
Author:
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Category :
Languages : en
Pages :
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Tensile tests have been carried out on a high-purity A1-5.6 Zn-2.6 Mg alloy hydrogenated by exposure to moist air. Results indicate that internal hydrogen embrittlement occurs by the formation and rupture of a stress-induced hydride at the grain boundaries. The hydride, identified by electron diffraction as A1H3, is shown to be unstable in laboratory air, reverting to aluminum. The hydride phase was not detected in specimens failed by SCC, despite evidence that hydrogen is transported ahead of advancing stress-corrosion cracks, and this leads to the possibility that a basically different mechanism may be responsible for SCC in this alloy.
Author: M. L. Mehta
Publisher:
ISBN:
Category : Alloys
Languages : en
Pages : 0
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Author: Frank Edward Watkinson
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Category :
Languages : en
Pages :
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Author: Thomas Lester Bond
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Category :
Languages : en
Pages : 130
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Author: J. D. Jackson
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ISBN:
Category : Aluminum alloys
Languages : en
Pages : 22
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Author: Simon Richard Tracey
Publisher:
ISBN:
Category : Aluminum-magnesium-zinc alloys
Languages : en
Pages :
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Author: Timothy James Langan
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ISBN:
Category :
Languages : en
Pages : 150
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Author: Thomas Walter Schmidt
Publisher:
ISBN:
Category : Alloys
Languages : en
Pages : 80
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