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  • 1
    Electronic Resource
    Electronic Resource
    Thermal and mechanical induced stresses in superconducting YBa2Cu3Ox coatings on fibers (1991)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 70 (1991), S. 1337-1344 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Thermal stresses induced during cooling from the fabrication temperature of a fiber with a noncubic superconducting ceramic coating are analyzed theoretically. The coating considered has a preferred crystallographic orientation such that the c axis of the coating material is perpendicular to the fiber surface which, in turn, results in different thermal expansion coefficients in the radial and the tangential directions in the coating. The thermal stresses are shown to result both from the mismatch between the fiber and the coating, and from the thermal expansion anisotropy of the coating. Stresses due to bending of the fiber/coating to form a superconducting component are also addressed. A critical radius of curvature of bending is obtained below which segmentation of the coating is predicted.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.349590
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  • 2
    Electronic Resource
    Electronic Resource
    Influence of residual stress on thermal expansion behavior (1999)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 75 (1999), S. 3294-3296 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We demonstrate that the thermal expansion behavior of a material can be substantially modified by the presence of residual stresses. In the case of a composite tube made of two layers of dissimilar steels, in situ neutron diffraction measurements revealed a significant difference in the coefficients of thermal expansion along the radial and tangential directions. It is shown that the observed difference in thermal expansion is due to the change of residual stresses with temperature. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.125329
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  • 3
    Electronic Resource
    Electronic Resource
    Stress Distributions in Thin Bilayer Discs Subjected to Ball-On-Ring Tests (2005)
    Oxford, UK : Blackwell Science Inc
    Journal of the American Ceramic Society 88 (2005), S. 0 
    Details
    ISSN: 1551-2916
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Ball-on-ring tests have been used extensively to measure the biaxial strength of brittle materials. However, the tests and analyses are limited to materials of uniform properties. An analytical model is developed in the present study to analyze thin bilayer discs subjected to ball-on-ring tests. It is found that closed-form solutions for bilayer discs can be obtained from existing solutions for monolayer discs by replacing the position of the neutral surface and the flexural rigidity of monolayers with those of bilayers. To validate the analytical solutions for bilayers, ball-on-ring tests are performed on a thin Al2O3 scale grown on an oxide dispersion-strengthened FeCrAl alloy disc and photo-stimulated luminescence spectroscopy is used to measure the stress distributions in the Al2O3 layer. In this case, the stress-induced peak shift of the R lines emitted by the Al2O3 scale is used to determine the average stress through the scale thickness. Good agreement between predictions and measurements is obtained.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1551-2916.2005.00343.x
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  • 4
    Electronic Resource
    Electronic Resource
    Matrix Cracking Stresses of Unidirectional Ceramic Matrix Composites (1995)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 108-110 (July 1995), p. 457-458 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/44/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.108-110.457.pdf
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  • 5
    Electronic Resource
    Electronic Resource
    Effects of interfacial roughness on fibre push-out (1997)
    Springer
    Journal of materials science 16 (1997), S. 354-357 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Abstracts are not published in this journal
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1018590210414
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  • 6
    Electronic Resource
    Electronic Resource
    Matrix cracking with frictional bridging fibres in continuous fibre ceramic composites (1995)
    Springer
    Journal of materials science 30 (1995), S. 1781-1789 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Matrix cracking bridged by intact fibres, which debond from the matrix and then slip against the matrix in friction, has been analysed for unidirectional fibre-reinforced ceramic composites under tensile loading parallel to the fibre axis. The effect of bonding at the fibre-matrix interface, Poisson's effect of the fibre, and residual stresses were included in the analysis. Both the crack-opening displacement and the displacement of the composite due to interfacial debonding have been analytically related to the fibre bridging stress. The critical stress for matrix cracking was also analysed. The existing solutions can be recovered by considering a special case in the present generalized solution.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00351610
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  • 7
    Electronic Resource
    Electronic Resource
    Some considerations of two-way debonding during fibre pull-out (1993)
    Springer
    Journal of materials science 12 (1993), S. 1933-1936 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00882547
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  • 8
    Electronic Resource
    Electronic Resource
    The relative residual fibre displacement after indentation loading and unloading of fibre-reinforced ceramic composites (1993)
    Springer
    Journal of materials science 28 (1993), S. 2227-2232 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The interfacial properties of fibre-reinforced ceramic composites have been evaluated by using the indentation technique. The ratio of the residual fibre displacement after complete unloading to the fibre displacement at peak loading is examined. Assuming a constant interfacial shear stress at an unbonded interface, this ratio is 0.5. However, deviation of this ratio from 0.5 is always obtained from experimental results. Both Poisson's effect and the existence of the residual axial stress have been proposed to explain this deviation. A methodology is presented in this study to classify conditions for which either Poisson's effect or the residual axial stress dominates this deviation. The application of this methodology to Nicalon fibre-reinforced lithium aluminosilicate glass-ceramic is also illustrated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00367588
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  • 9
    Electronic Resource
    Electronic Resource
    Matrix cracking with bonded interfaces in unidirectional fibre-reinforced composites (1995)
    Springer
    Journal of materials science 14 (1995), S. 1698-1701 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00422679
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  • 10
    Electronic Resource
    Electronic Resource
    Matrix cracking with frictional bridging fibres in continuous fibre ceramic composites (1995)
    Springer
    Journal of materials science 30 (1995), S. 4793-4800 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Interfacial debonding and matrix cracking due to residual axial stresses have been analysed for unidirectional fibre-reinforced ceramic composites. The analytical solutions for the crack-opening displacement, the axial displacement of the composite due to interfacial debonding, and the critical residual axial stress for matrix cracking have been obtained. The solutions were then compared with those for tensile loading in the fibre direction. Three issues related to Part I, i.e. the effective fracture toughness of the composite, the critical loading stress for matrix cracking in the presence of residual stresses, and the debonded fibre length due to loading, were also addressed in the present study.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01154487
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