FIELD: testing engineering.
SUBSTANCE: device comprises housing, member for cyclic heating and cooling the specimen, unit for axial loading, active and passive holder and meter specimen strain. The housing of the twisting loading unit is built in the active holder and rigidly connected with the two-arm lever and head and shank of the active holder. The two-arm lever is made of a pulley and has two guiding members for two ropes. Some of the ends of the ropes are secured to the lever, and the other ends are connected with the weights. Two rolling bearings for the ropes are connected with the housing. The strain meter is made of the casing secured to the housing of the device, and axial and twisting strain meter. The microscope is built in the housing of the deformation meter.
EFFECT: enhanced precision.
3 dwg
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Authors
Dates
2007-01-20—Published
2005-07-13—Filed