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The Mechanisms Of Dispersion Strengthening And Fracture In Al Based Xd Tm Alloys
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Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781722817176 Total Pages :88 pages Book Rating :4.8/5 (171 download)
Book Synopsis The Mechanisms of Dispersion Strengthening and Fracture in Al-Based XD (Tm) Alloys by : National Aeronautics and Space Administration (NASA)
Download or read book The Mechanisms of Dispersion Strengthening and Fracture in Al-Based XD (Tm) Alloys written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-16 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: The influence of reinforcement size, volume fraction, and matrix deformation behavior on room and elevated temperature strength, and the fracture toughness of metal matrix composites of both pure aluminum and Al(4 percent)Cu(1.5 percent)Mg with 0 to 15 vol percent TiB2 were examined. Higher TiB2 volume fractions increased the tensile yield strength both at room and elevated temperatures, and reduced the elongation to fracture. Tensile tests also indicate that small particles provided a greater increase in strength for a given volume fraction than larger particles, whereas elongation to fracture appeared to be insensitive to reinforcement size. The fracture toughness of the Al(4 percent)Cu(1.5 percent)Mg alloys decreased rapidly with TiB2 additions of 0 to 5 vol percent and more slowly with TiB2 additions of 5 to 15 vol percent. Fracture toughness appears to be independent of TiB2 particle size. The isothermal-aging response of the precipitation strengthened Al(4 percent)Cu(1.5 percent)Mg alloys was not altered by the presence of TiB2. Aiken, R. M., Jr. Unspecified Center...
Book Synopsis The Mechanisms of Dispersion Strengthening and Fracture in Al-based XDTM Alloys by : R. M. Aikin
Download or read book The Mechanisms of Dispersion Strengthening and Fracture in Al-based XDTM Alloys written by R. M. Aikin and published by . This book was released on 1990 with total page 81 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Mechanisms of Dispersion Strengthening and Fracture in Al-based XD(tm) Alloys, Part 1 by :
Download or read book The Mechanisms of Dispersion Strengthening and Fracture in Al-based XD(tm) Alloys, Part 1 written by and published by . This book was released on 1990 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: The influence of reinforcement size, volume fraction, and matrix deformation behavior on room and elevated temperature strength; the fracture toughness; and the fatigue crack growth rate of metal matrix composites of Al-4(pct)Cu-1.5(pct)Mg with TiB2 were examined. The influence of reinforcement volume fraction was also examined for pure aluminum with TiB2. Higher TiB2 volume fractions increased the tensile yield strength at both room and elevated temperatures, and reduced the elongation to fracture. Tensile tests also indicate that small particles provided a greater increase in strength for a given volume fraction than larger particles, whereas elongation to fracture appeared to be insensitive to reinforcement size. Interparticle spacing appears to be the factor that controls the strength of these alloys, with the exact nature of the dependence relying on the nature of dislocation slip in the matrix (planar vs. diffuse). The isothermal aging response of the precipitation strengthened Al-4(pct)Cu-1.5(pct)Mg alloys was not accelerated by the presence of TiB2. Cold work prior to artificial aging created additional geometrically necessary dislocations which serve as heterogeneous nucleation sites leading to accelerated aging, a finer precipitate size, and an increase in the strength of the alloy.
Book Synopsis The Mechanisms of Dispersion Strengthening and Fracture in Al-based XD (TM) Alloys by :
Download or read book The Mechanisms of Dispersion Strengthening and Fracture in Al-based XD (TM) Alloys written by and published by . This book was released on 1990 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Mechanisms of Dispersion Strengthening and Fracture in Al-based XDTM Alloys by :
Download or read book The Mechanisms of Dispersion Strengthening and Fracture in Al-based XDTM Alloys written by and published by . This book was released on 19?? with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Mechanisms of Dispersion Strengthening and Fracture in Al-based XD[superscript TM] Alloys by : R. M. Aikin
Download or read book The Mechanisms of Dispersion Strengthening and Fracture in Al-based XD[superscript TM] Alloys written by R. M. Aikin and published by . This book was released on 1990 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781723446030 Total Pages :154 pages Book Rating :4.4/5 (46 download)
Book Synopsis The Mechanisms of Dispersion Strengthening and Fracture in Al-Based Xd(tm) Alloys, Part 1 by : National Aeronautics and Space Administration (NASA)
Download or read book The Mechanisms of Dispersion Strengthening and Fracture in Al-Based Xd(tm) Alloys, Part 1 written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-23 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: The influence of reinforcement size, volume fraction, and matrix deformation behavior on room and elevated temperature strength; the fracture toughness; and the fatigue crack growth rate of metal matrix composites of Al-4(pct)Cu-1.5(pct)Mg with TiB2 were examined. The influence of reinforcement volume fraction was also examined for pure aluminum with TiB2. Higher TiB2 volume fractions increased the tensile yield strength at both room and elevated temperatures, and reduced the elongation to fracture. Tensile tests also indicate that small particles provided a greater increase in strength for a given volume fraction than larger particles, whereas elongation to fracture appeared to be insensitive to reinforcement size. Interparticle spacing appears to be the factor that controls the strength of these alloys, with the exact nature of the dependence relying on the nature of dislocation slip in the matrix (planar vs. diffuse). The isothermal aging response of the precipitation strengthened Al-4(pct)Cu-1.5(pct)Mg alloys was not accelerated by the presence of TiB2. Cold work prior to artificial aging created additional geometrically necessary dislocations which serve as heterogeneous nucleation sites leading to accelerated aging, a finer precipitate size, and an increase in the strength of the alloy. Aikin, R. M., Jr. Unspecified Center ALUMINUM ALLOYS; CRACK PROPAGATION; CRACKING (FRACTURING); DISPERSION STRENGTHENING; FRACTURE STRENGTH; METAL MATRIX COMPOSITES; TEMPERATURE EFFECTS; AGING (METALLURGY); CONCENTRATION (COMPOSITION); DEFORMATION; ELONGATION; FATIGUE (MATERIALS); ISOTHERMAL PROCESSES; NUCLEATION; PRECIPITATION HARDENING; TENSILE STRENGTH; YIELD STRENGTH...
Book Synopsis The Mechanisms of Dispersion Strengthening and Fracture in Al-based XD[superscript TM] Alloys by : R. M. Aikin
Download or read book The Mechanisms of Dispersion Strengthening and Fracture in Al-based XD[superscript TM] Alloys written by R. M. Aikin and published by . This book was released on 1991 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1993 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1995 with total page 1632 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalogue, United States Public Documents by :
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1995 with total page 1638 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Physics Briefs written by and published by . This book was released on 1994 with total page 1256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1991 with total page 700 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1991 with total page 1128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of the Strengthening Mechanisms of Dispersion-strengthened Alloys by : Richard J. Murphy
Download or read book Investigation of the Strengthening Mechanisms of Dispersion-strengthened Alloys written by Richard J. Murphy and published by . This book was released on 1964 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: In an effort to produce dispersion-strengthened alloys with more versatile strength properties than those reported for oxide dispersion strengthened systems, the systems Ni-TiC and Ni-TiB2 were studied. Diffusion couples of dilute alloys of Ni-C and Ni-Ti as well as of Ni-B and Ni-Ti were studied to determine the conditions necessary for the formation of a fine dispersion of TiC and TiB2 in nickel. TiB2 was found to be unsuitable for this type of application. Nickel-base alloys with a dispersion of TiC were prepared by several powder metallurgical techniques as well as by internal carburization of Ni-Ti chips. The mechanical properties of these alloys were studied at room temperature and 815C and a comparison made with the properties of conventional alloys reported for these temperatures. Transmission electron microscopy was used to study the elastic strain fields associated with dispersoid particles in the Ni-Al2O3 and Cu-Al2O3 systems, prepared by internal oxidation. (Author).
Book Synopsis The Deformation and Fracture of Dispersion Strengthened Alloys by : Gary James Ewell
Download or read book The Deformation and Fracture of Dispersion Strengthened Alloys written by Gary James Ewell and published by . This book was released on 1968 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Metals Abstracts written by and published by . This book was released on 1998 with total page 1042 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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