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Tensile Compressive Fatigue And Interface Characterization Of Al2o3 Fiber Al 25 Li Alloy Metal Matrix Composite
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Book Synopsis Tensile/Compressive Fatigue and Interface Characterization of Al2O3 Fiber/Al-2.5% Li Alloy Metal Matrix Composite by : Michael M. Buckley
Download or read book Tensile/Compressive Fatigue and Interface Characterization of Al2O3 Fiber/Al-2.5% Li Alloy Metal Matrix Composite written by Michael M. Buckley and published by . This book was released on 1990 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fatigue response to cyclic roads of a continuous A12O3 fiber/aluminum-lithium alloy metal matrix composite was successfully characterized at room temperature and 175 C. Low cycle fatigue was dominated by crack propagation perpendicular to the axial fiber direction at both temperatures. Alternately, high cycle fatigue was governed by crack propagation parallel to the axial fiber direction; at room temperature this crack growth was believed to have occurred through the matrix, whereas at 175 C it propagated through weakened composite interfaces. The interfacial reaction product was also thoroughly characterized for both as-received composites and composites subjected to 10 million cycles at 175 C (defined as runout). In the as-received composite, interfaces ranged in thickness from 0.05 to 0.8 microns. Its growth was non-homogeneous and preferential along the grain boundaries of Al203. The reaction product was composed of two phases: (1) LiA1508 (a cubic spinel) and (2) alpha-LiA102. The cubic spinel was determined to be the major phase. The combination of cyclic loads (as they affect compressive and tensile strength) and elevated temperatures caused an exaggerated growth of the interfacial reaction zone; the layer thickness after runout ranged from 0.05 to 6.0 microns. This growth process corresponded to a weakening of the interface, which decreased fatigue strength at the elevated test temperature of 175 C.
Book Synopsis Tensile/compressive Fatigue Analysis and Interface Characterization of Al203 Fiber/Al-2.5% Li Alloy Metal Matrix Composite by : Michael McHugh Buckley
Download or read book Tensile/compressive Fatigue Analysis and Interface Characterization of Al203 Fiber/Al-2.5% Li Alloy Metal Matrix Composite written by Michael McHugh Buckley and published by . This book was released on 1990 with total page 192 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 1994 with total page 892 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 1076 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1998 with total page 984 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Temperature, Thermal Exposure, and Fatigue on an Alumina/aluminum Composite by : George C. Olsen
Download or read book Effects of Temperature, Thermal Exposure, and Fatigue on an Alumina/aluminum Composite written by George C. Olsen and published by . This book was released on 1980 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Composites Industry Abstracts written by and published by . This book was released on 1996 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Temperature, Thermal Exposure, and Fatigue on an Alumina/aluminum Composite by :
Download or read book Effects of Temperature, Thermal Exposure, and Fatigue on an Alumina/aluminum Composite written by and published by . This book was released on 1980 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1993 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Memorandum written by and published by . This book was released on 1994 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development and Characterization of Powder Metallurgy (PM) 2XXX Series Al Alloy Products and Metal Matrix Composite (MMC) 2XXX Al/SiC Materials for High Temperature Aircraft Structural Applications by :
Download or read book Development and Characterization of Powder Metallurgy (PM) 2XXX Series Al Alloy Products and Metal Matrix Composite (MMC) 2XXX Al/SiC Materials for High Temperature Aircraft Structural Applications written by and published by . This book was released on 1992 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fatigue Response of Metal Matrix Composites by : R. Leucht
Download or read book Fatigue Response of Metal Matrix Composites written by R. Leucht and published by . This book was released on 1994 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results are presented on the fatigue behavior of continuous fiber-reinforced aluminum and titanium alloys, both reinforced with SiC fibers. The pure aluminum matrix was reinforced with the "Tyranno" fiber of Ube, Japan, while the Ti6Al4V matrix was reinforced with the SCS-6 fiber of Textron. Also investigated was an Al-2.5Li alloy reinforced with ?-Al2O3 FP fiber from DuPont.
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 650 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 1118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Chemical Abstracts written by and published by . This book was released on 1991 with total page 2682 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781720571773 Total Pages :36 pages Book Rating :4.5/5 (717 download)
Book Synopsis High Temperature Mechanical Characterization and Analysis of Al2O3 /Al2O3 Composition by : National Aeronautics and Space Administration (NASA)
Download or read book High Temperature Mechanical Characterization and Analysis of Al2O3 /Al2O3 Composition written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-05-31 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sixteen ply unidirectional zirconia coated single crystal Al2O3 fiber reinforced polycrystalline Al2O3 was tested in uniaxial tension at temperatures to 1400 C in air. Fiber volume fractions ranged from 26 to 31%. The matrix has primarily open porosity of approximately 40%. Theories for predicting the Young's modulus, first matrix cracking stress, and ultimate strength were applied and evaluated for suitability in predicting the mechanical behavior of Al2O3/Al2O3 composites. The composite exhibited pseudo tough behavior (increased area under the stress/strain curve relative to monolithic alumina) from 22 to 1400 C. The rule-of-mixtures provides a good estimate of the Young's modulus of the composite using the constituent properties from room temperature to approximately 1200 C for short term static tensile tests in air. The ACK theory provides the best approximation of the first matrix cracking stress while accounting for residual stresses at room temperature. Difficulties in determining the fiber/matrix interfacial shear stress at high temperatures prevented the accurate prediction of the first matrix cracking stress above room temperature. The theory of Cao and Thouless, based on Weibull statistics, gave the best prediction for the composite ultimate tensile strength.Gyekenyesi, John Z. and Jaskowiak, Martha H.Glenn Research CenterHIGH TEMPERATURE; ALUMINUM OXIDES; FIBER COMPOSITES; POLYCRYSTALS; CERAMIC FIBERS; TEMPERATURE EFFECTS; CERAMIC MATRIX COMPOSITES; MODULUS OF ELASTICITY; STRESS-STRAIN RELATIONSHIPS; WEIBULL DENSITY FUNCTIONS; TENSILE STRENGTH; TENSILE TESTS; FIBER-MATRIX INTERFACES; HIGH TEMPERATURE TESTS; ZIRCONIUM OXIDES
Book Synopsis The Processing and Characterization of FeCrAlY/Al2O3 Composites by : Julian Escareno Ambriz
Download or read book The Processing and Characterization of FeCrAlY/Al2O3 Composites written by Julian Escareno Ambriz and published by . This book was released on 1996 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt:
