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The use of tensile tests to determine the optimum conditions for butt fusion welding certain grades of polyethylene, polybutene-1 and polypropylene pipes
The optimum conditions for butt fusion welding certain grades of polyethylene, polybutene-1 and polypropylene pipes have been determined on the basis of tensile test results. The effect of theExpand
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Some microstructural features of the welds in butt-welded polyethylene and polybutene-1 pipes
Microstructural features characterizing butt welds in polyethylene and polybutene-1 pipes have been studied using scanning electron and transmission optical microscopy. The microstructures areExpand
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Shock-controlled spread of an impulsive discharge
The spread of an impulsive discharge into the region contained between short coaxial electrodes has been investigated using currents of 20 kA peak value, and approximately 20 μsec period. NitrogenExpand
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Impulse breakdown between co-axial electrodes at low pressure
A capacitor bank of 9-20 μF, charged to 5-7 kV was suddenly connected to a short coaxial gap, having an electrode separation of 4 cm, filled with N2 at pressures between 4 and 4 × 10-2 torr. It wasExpand
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The formation of rotating plasmas in a homopolar configuration
The formation of rotating plasmas in hydrogen has been studied with high-speed photographic, electrical and magnetic diagnostic techniques. The ranges of pressure and magnetic field intensity wereExpand
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Time resolved Schlieren and interferometer studies of a low pressure discharge
Time resolved Schlieren and interferometer studies of an air discharge at pressures between 0.4 and 4 mmHg, using a single-shot sub-microsecond light source, are described with special reference toExpand
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