FIELD: investigating or analyzing materials.
SUBSTANCE: method comprises local heating the specimen up to a given temperature by means of applying opposite temperature gradients from both sides of the site to be heated and measuring shrinking tension in the zone of creeping. The specimen is U-shaped and is heated up to a given temperature. The temperature gradient is provided by cooling. The surface tension coefficient is determined from the formula proposed.
EFFECT: enhanced precision.
2 dwg
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