Method and apparatus for simulation of the operational demands acting an expanded tube joints
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United States of America Patent
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Apr 18, 1989
Grant Date -
N/A
app pub date -
May 12, 1988
filing date -
May 21, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for simulating operational demands acting an expanded tube joints includes penetrating a central inner region of a circular disc of a test body with a plurality of hollow cylinders. Sleeves or hollow plugs are connected to the hollow cylinders in the vicinity of the disc. A stress condition is created in the inner region corresponding to the operational demands by applying a force in an outer region of the disc through a uniform introduction of heat in the outer region while cooling the inner region. Outer hollow cylinders may serve as cooling passages and may form a boundary between the inner region and the outer region. Thermal insulation may be associated with the outer region. An electric resistance heater may be associated with the outer region for applying the force.
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