Identification of Microconstituents in Superalloys PDF Download
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Author: C. H. Lund
Publisher:
ISBN:
Category : Heat resistant alloys
Languages : en
Pages : 32
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Author: C. H. Lund
Publisher:
ISBN:
Category : Heat resistant alloys
Languages : en
Pages : 32
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 652
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Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author:
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Category : Industries
Languages : en
Pages : 206
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Author:
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Category : Mineral industries
Languages : en
Pages : 394
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Author: L. A. Neumeier
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Category : Tungsten-cobalt alloys
Languages : en
Pages : 84
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Author: R. L. Grant
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ISBN:
Category : Explosives
Languages : en
Pages : 636
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Author: John David Jackson
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ISBN:
Category : Liquid oxygen
Languages : en
Pages : 32
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Author: Albert M. Hall
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ISBN:
Category : Maraging steel
Languages : en
Pages : 30
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Author: R. H. Ernst
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ISBN:
Category : Titanium
Languages : en
Pages : 12
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A brief study of delayed fracture in a seam-welded titanium panel is summarized in this memorandum. Examination of the fracture surface with electron microscopy showed that the material cleaved, failing in a brittle manner. Although the nature of the embrittlement was not clearly defined, titanium hydride phase was suspected as a prime contributor to failure. Even though the hydrogen content of the titanium was only 65 ppm, hydride embrittlement was thought to have occurred from precipitation of hydride platelets on crystal planes oriented normal to welding stresses. Other work, briefly discussed in the memorandum, has confirmed that hydride platelets in titanium can be oriented by stress and that tensile ductility of Zircaloy (which behaves similarly with respect to hydrogen, to titanium) depends upon hydride orientation. Stress-relief annealing of welded titanium structures is recommended wherever possible to minimize embrittlement by stress-oriented hydrides. (Author).
Author: F. J. Barone
Publisher:
ISBN:
Category : Stainless steel
Languages : en
Pages : 38
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