FIELD: corrosion-cracking tests of metals and weld zones. SUBSTANCE: metal specimen to be tested is placed in an electrochemical cell with bulges made with an acute angle at the vertex, installed in the same plane opposite to each other and spring-loaded relative to the cell. The bulges are continuously engageable with the specimen surface in the process of its loading by tensile load. EFFECT: enhanced accuracy of test. 2 dwg
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