Environment Assisted Degradation Mechanisms in Aluminum-Lithium Alloys

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Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781723569500
Total Pages : 258 pages
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Book Synopsis Environment Assisted Degradation Mechanisms in Aluminum-Lithium Alloys by : National Aeronautics and Space Administration (NASA)

Download or read book Environment Assisted Degradation Mechanisms in Aluminum-Lithium Alloys written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-24 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: Section 1 of this report records the progress achieved on NASA-LaRC Grant NAG-1-745 (Environment Assisted Degradation Mechanisms in Al-Li Alloys), and is based on research conducted during the period April 1 to November 30, 1987. A discussion of work proposed for the project's second year is included. Section 2 provides an overview of the need for research on the mechanisms of environmental-mechanical degradation of advanced aerospace alloys based on aluminum and lithium. This research is to provide NASA with the basis necessary to permit metallurgical optimization of alloy performance and engineering design with respect to damage tolerance, long term durability and reliability. Section 3 reports on damage localization mechanisms in aqueous chloride corrosion fatigue of aluminum-lithium alloys. Section 4 reports on progress made on measurements and mechanisms of localized aqueous corrosion in aluminum-lithium alloys. Section 5 provides a detailed technical proposal for research on environmental degradation of Al-Li alloys, and the effect of hydrogen in this. Gangloff, Richard P. and Stoner, Glenn E. and Swanson, Robert E. Unspecified Center NASA-CR-182482, NAS 1.26:182482, UVA/528266/MS88/101 NAG1-745...

Environment assisted degradation mechanisms in aluminum-lithium alloys

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ISBN 13 :
Total Pages : 516 pages
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Book Synopsis Environment assisted degradation mechanisms in aluminum-lithium alloys by : R. P. Gangloff

Download or read book Environment assisted degradation mechanisms in aluminum-lithium alloys written by R. P. Gangloff and published by . This book was released on 1988 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Environment assisted degradation mechanisms in advanced light metals

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ISBN 13 :
Total Pages : 342 pages
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Book Synopsis Environment assisted degradation mechanisms in advanced light metals by : R. P. Gangloff

Download or read book Environment assisted degradation mechanisms in advanced light metals written by R. P. Gangloff and published by . This book was released on 1989 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

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ISBN 13 :
Total Pages : 704 pages
Book Rating : 4.:/5 (31 download)

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Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Aluminum-Lithium Alloys

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Publisher : Elsevier Inc. Chapters
ISBN 13 : 0128068493
Total Pages : 52 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Aluminum-Lithium Alloys by : N. Eswara Prasad

Download or read book Aluminum-Lithium Alloys written by N. Eswara Prasad and published by Elsevier Inc. Chapters. This book was released on 2013-09-20 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: The low cycle fatigue (LCF) and high cycle fatigue (HCF) properties of Al–Li alloys are influenced by alloy composition, microstructural characteristics, tensile stretching prior to artificial aging, and crystallographic texture. In general the fatigue properties, notably the notched HCF resistances, of Al–Li alloys are similar to those of conventional aerospace aluminium alloys. Alloy development programs on newer Al–Li alloys aim to study further the effects of minor alloying additions (rare earths, beryllium, silver and TiB); various thermomechanical treatments; alloy microstructure, notably crystallographic texture and grain size; and the fatigue load history and environment on the mechanical behavior, including the fatigue properties. It is important to note that the occurrence of bilinearity in LCF life-dependence on strain amplitude in most Al–Li alloys engenders the overestimation of the LCF lives in both the hypo-transition (lower strain amplitudes; longer fatigue lives) and hyper-transition (higher strain amplitudes; shorter fatigue lives) regions if the lives are estimated by extrapolation from either of these regions. Further, in cases such as in Al-Li alloys where there are large differences in strength-based (Basquin-like) and plastic strain – based (Coffin-Manson) power-law relationships, it is appropriate to develop an alloy design philosophy based on either plastic strain energy per cycle (Halford-Morrow) or fatigue toughness (total plastic strain energy to fracture). All of these aspects are discussed in detail in this chapter.

Aluminum-Lithium Alloys for Aerospace Applications Workshop

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ISBN 13 :
Total Pages : 380 pages
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Book Synopsis Aluminum-Lithium Alloys for Aerospace Applications Workshop by : Biliyar N. Bhat

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University Program Management Information System

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ISBN 13 :
Total Pages : 692 pages
Book Rating : 4.:/5 (317 download)

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Monthly Catalog of United States Government Publications

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ISBN 13 :
Total Pages : 1450 pages
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Government Reports Announcements & Index

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ISBN 13 :
Total Pages : 666 pages
Book Rating : 4.:/5 (319 download)

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Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1994 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Government Reports Announcements & Index

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ISBN 13 :
Total Pages : 1132 pages
Book Rating : 4.3/5 (243 download)

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Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1988 with total page 1132 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Government reports annual index

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Total Pages : 1420 pages
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NASA's University Program

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ISBN 13 :
Total Pages : 396 pages
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Book Synopsis NASA's University Program by : United States. National Aeronautics and Space Administration. Office of University Affairs

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NASA's University Program Active Projects

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Total Pages : 400 pages
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NASA University Program Management Information System, FY 1994

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Total Pages : 648 pages
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Download or read book NASA University Program Management Information System, FY 1994 written by and published by . This book was released on 1994 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Precipitation Mechanisms in Aluminum-Lithium Alloys

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ISBN 13 :
Total Pages : 236 pages
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Book Synopsis Precipitation Mechanisms in Aluminum-Lithium Alloys by : T. H Sanders (Jr)

Download or read book Precipitation Mechanisms in Aluminum-Lithium Alloys written by T. H Sanders (Jr) and published by . This book was released on 1983 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coarsening kinetics of delta prime in Al-Li and Al-Li-Ag alloys were studied. The influence of deformation on the growth of delta prime was also investigated.

Environmental Fatigue in Aluminum-lithium Alloys

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ISBN 13 :
Total Pages : 30 pages
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Aluminum-lithium Alloys

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ISBN 13 :
Total Pages : 564 pages
Book Rating : 4.X/5 (4 download)

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Download or read book Aluminum-lithium Alloys written by and published by . This book was released on 1989 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt: