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  • 1
    Electronic Resource
    Electronic Resource
    Discontinuous metallic-glass ribbon reinforced glass-ceramic matrix composites (1991)
    Springer
    Journal of materials science 26 (1991), S. 6453-6457 
    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 Discontinuous metallic-glass ribbons of varying lengths and widths were used to reinforce a brittle glass-ceramic matrix. The fracture strength and toughness of such composites as a function of ribbon volume fraction and geometry were measured by three-point bending. The mechanical properties were found to be relatively isotropic in the plane of compaction (without significant loss of strengthening achieved with unidirectional reinforcement). The higher composite strength exhibited in a direction perpendicular to the plane of compaction was attributed to the higher percentage of ribbons oriented with their short transverse faces perpendicular to the opening crack front.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00551896
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Discontinuous metallic-glass ribbon reinforced glass-ceramic matrix composites (1991)
    Springer
    Journal of materials science 26 (1991), S. 6453-6457 
    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 Discontinuous metallic-glass ribbons of varying lengths and widths were used to reinforce a brittle glass-ceramic matrix. The fracture strength and toughness of such composites as a function of ribbon volume fraction and geometry were measured by three-point bending. The mechanical properties were found to be relatively isotropic in the plane of compaction (without significant loss of strengthening achieved with unidirectional reinforcement). The higher composite strength exhibited in a direction perpendicular to the plane of compaction was attributed to the higher percentage of ribbons oriented with their short transverse faces perpendicular to the opening crack front.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02387829
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Elevated temperature mechanical properties of continuous metallic glass ribbon-reinforced glass-ceramic matrix composites (1991)
    Springer
    Journal of materials science 26 (1991), S. 1391-1394 
    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 Effect of temperature on the modulus of rupture of glass-ceramic matrix composites reinforced with very small volume fractions (∼1%) of continuous metallic glass ribbons was studied. The failure modes in such composites were found to significantly depend on the test temperature. Variations in the strength of the matrix, and the interfacial shear strength between the matrix and the ribbons due to changes in the test temperature, were found to control the elevated temperature strength and failure mode of these composites.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00544483
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Strength and fracture of amorphous and partially crystallized selenium (1983)
    Springer
    Journal of materials science 18 (1983), S. 2393-2400 
    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 role of spherulitic crystallization on strength and fracture of the elemental glass-former selenium was investigated. Partially crystallized selenium samples having various sizes and volume fractions of spherulites were obtained by heat-treating amorphous selenium at 62, 82 and 100° C for different lengths of time. The flexure strength of partially crystallized selenium decreases with increasing size of spherulites. Scanning electron microscopy of fractured specimens showed that fracture nucleated in the peripheral regions of the spherulites.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00541844
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Elevated temperature deformation behaviour of alpha-beta brass bicrystals (1984)
    Springer
    Journal of materials science 19 (1984), S. 3185-3190 
    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 Elevated temperature deformation behaviour of alpha-beta brass was investigated by using a model system at temperatures just below the order-disorder transformation temperature (T c) of beta. Although the deformation mode at these temperatues is very similar to that at room temperature, grain boundary sliding in beta becomes an important mode of deformation at low strain rates.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00549802
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Elevated temperature deformation behaviour of alpha-beta brass bicrystals (1984)
    Springer
    Journal of materials science 19 (1984), S. 3191-3195 
    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 Elevated temperature deformation behaviour of alpha-beta brass was investigated by using a model system at temperatures just above the order-disorder transformation temperature (T c) of beta. At low strain-rates, the entire deformation was accompanied by slip in beta and at high strain-rates both alpha and beta deformed by single slip. This mode of deformation is quite different from that observed at temperatures below T c.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00549803
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Elevated temperature deformation behaviour of alpha-beta brass bicrystals (1984)
    Springer
    Journal of materials science 19 (1984), S. 3196-3200 
    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 deformation behaviour of alpha and beta brass was investigated at temperatures just above and below the ordering temperature of beta. Deformation of beta, unlike alpha, was found to be highly sensitive to temperature and strain-rate. The predominant mode of deformation in beta at temperatures below T c (the ordering temperature) was by grain boundary sliding and at temperatures above T c it was by slip. Furthermore, beta did not exhibit any work-hardening at temperatures above T c. The elevated temperature deformation behaviour of two-phase bicrystals of alpha-beta brass, with inter-phase boundary normal to the tensile axis, depended on the deformation of the individual phases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00549804
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Metallic glass ribbon-reinforced glass-ceramic matrix composites (1990)
    Springer
    Journal of materials science 25 (1990), S. 3291-3296 
    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 role of metallic glass ribbons in modifying the properties of glass-ceramics was investigated using specimens prepared by conventional pressing and sintering techniques. Even very low volume fractions of such reinforcements were found to provide significant improvements in the strength, elastic properties and fracture toughness of the glass-ceramic matrices. The observed improvement in the fracture toughness is explained on the basis of various metallic glass ribbon-related energy absorbing mechanisms.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00587689
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  • 9
    Electronic Resource
    Electronic Resource
    Interfacial effects in a metallic-glass ribbon reinforced glass-ceramic matrix composite (1992)
    Springer
    Journal of materials science 27 (1992), S. 4957-4960 
    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 effect of temperature on the interfacial effects in a metallic-glass ribbon reinforced glass-ceramic matrix composite was investigated. The metallic-glass ribbon present in this composite was found to be significantly affected at elevated temperatures, owing to the diffusion of lead and zinc from the matrix. The presence of the matrix in the vicinity of the ribbon enhanced the formation of an oxide layer on the ribbon surface. The oxide layer decreased the interfacial bond strength between the ribbon and the matrix, affecting the failure mode of such composites at elevated temperatures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01105260
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  • 10
    Electronic Resource
    Electronic Resource
    Failure behaviour of particulate-reinforced aluminium alloy composites under uniaxial tension (1992)
    Springer
    Journal of materials science 27 (1992), S. 5453-5462 
    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 Tensile tests were carried out at room temperature on 6061-aluminium alloy reinforced with SiC and Al2O3 particulates. Although a significant increase in strength could be achieved by introducing ceramic reinforcements into the aluminium alloy matrix, it is associated with a substantial decrease in fracture strain. In order to understand the reason for the inferior ductility of such composites, analytical solutions were obtained using a simple composite model. SEM studies were carried out on the side surfaces of the fractured specimens to verify the proposed failure behaviour. Failure modes observed to operate in such composites under uniaxial tension are described.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00541606
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    Paper (German National Licenses)
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