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  • 1
    Electronic Resource
    Electronic Resource
    Temperature dependence of the mechanical properties of Cu-Ti and Cu-Ti-Al alloys (1970)
    Springer
    Russian physics journal 13 (1970), S. 511-516 
    Details
    ISSN: 1573-9228
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A study has been made of the temperature dependence of the mechanical properties and mechanical twinning of the alloys Cu + 4.3% Ti (I) and Cu + 2.3% Ti + 2% Al (II) in the single-phase state and in a state with a developed modulated structure. A correlation is found between the σε(T) dependence and the development of mechanical twinning in the range 90–673 °K. The temperature dependence of the strength of the alloy Cu + 2.3% Ti + 5% Al containing incoherent stable-phase inclusions was studied. The experimental σ(T) dependence is compared with the theoretical dependence, and the activation energy and volume of plastic flow are determined.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00822609
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  • 2
    Electronic Resource
    Electronic Resource
    Discontinuous decomposition in quenched and deformed alloys (1970)
    Springer
    Russian physics journal 13 (1970), S. 85-89 
    Details
    ISSN: 1573-9228
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Discontinuous decomposition in quenched and deformed samples of the alloy Cu + 4.3% Ti has been studied by optical metallography and by electron metallography (with replicas and thin foils). The structure of the discontinuous-decomposition regions changes markedly during the continuous metastable decomposition in the matrix. Cells are nucleated within grains in the deformed samples at recrystallization nuclei.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00817229
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  • 3
    Electronic Resource
    Electronic Resource
    Kinetics of dispersion hardening and change in slip mechanism in Cu-Ti and Cu-Ti-Al alloys (1968)
    Springer
    Russian physics journal 11 (1968), S. 103-109 
    Details
    ISSN: 1573-9228
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract It is shown in this paper that the hardening of Cu-Ti and Cu-Ti-Al alloys at the coherent-decomposition stage can be described in terms of the basic Mott-Nabarro mechanism. The overaging stage in Cu-Ti alloys is due to the partial loss of coherence of the β-phase, though cutting of the particles by dislocations continues. In Cu-Ti-Al alloys bypassing of the particles in the way suggested by Orowan offers a possible deformation mechanism at the overaging stage. These conclusions are supported by the slip patterns obtained by electron microscopy of replicas. The small difference between the slip patterns of specimens having been quenched and those having been aged to give maximum mechanical properties should be particularly noted, since it is at variance with the data already available, mostly from aluminum alloys.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00817953
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