British Universities Film & Video Council

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  1. Tensile Stress in Cast Iron: Changes in the Micro-Structure (1976 Film)

    Producer
    G Wolf
    Subject
    Technology
    Distribution
    Film (16mm)

    Shows the changes on polished and on polished and etched surfaces of globular grey cast iron (GGG-50) under tensile stress. A specially developed sample, with large radius and two opposite notches, is...

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  2. Domain Structures in Superconductors (1972 Film)

    Subject
    Engineering; Physics
    Distribution
    Film (16mm)

    Shows the intermediate-state structures of an evaporated superconducting lead film of 7mm thickness in a vertically applied magnetic field of variable amplitude. The domains have been made visible by means...

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  3. Dislocation Movements in Aluminium-1%-Magnesium Alloy (1968 Film)

    Subject
    Technology
    Distribution
    Film (16mm)

    For this production specimens of up to 8% pre-deformation of an aluminium-1%-magnesium alloy have been investigated in a transmission electron microscope using an acceleration voltage of 100 kV. The...

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  4. Ferromagnetic Domains of Bulk Crystals (1968 Film)

    Subject
    Engineering
    Distribution
    Film (16mm)

    By means of the magneto-optic Kerr effect, WEISS domains (tiny crystal parts) can be made visible and their changes followed as a magnetic field is set up. Simple magnetic reversal processes, caused by the...

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  5. Martensitic Transformation of Nickel-Chromium Steel (1966 Film)

    Subject
    Technology
    Distribution
    Film (16mm)

    Shows the development of the martensite from the super-cooled austenite in the needle profile, formed by the sudden change of volume, of a polished surface of a chrome-nickel steel under the heating table...

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  6. Tensile Stress in Deep-Drawing Sheet Metal: Change in Micro-Structure (1963 Film)

    Producer
    G Wolf
    Subject
    Technology
    Distribution
    Film (16mm)

    Shows the changes on a polished and etched surface of deep-drawing St VII 23 sheet metal under tensile stress. The stretch behaviour up to breaking-point in the elastic and plastic domain is shown. The...

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