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Scanning thermoelectric and acoustic emission diagnostic of structural inhomogeneities of thermocouple materials

Prokhorenko V. J., Prokhorenko S. V., Mudry S. I., Sheregii E. M., Dominjuk T. I.

Archives of Foundry Engineering

2010

Vol. 10, iss. 1 spec.

381--386

New method for diagnostic of constructional and functional materials by means of thermoelectric and acoustic- emission measurements is proposed. The method allows not only to establish the defect location, but its partial temperature relaxation achieve.

Application of the method of thermo-power in diagnosing fatigue strength and intergrain corrosion

Prokhorenko V. J., Prokhorenko S. V., Koval P. M., Dominjuk T. I.

Archives of Foundry Engineering

2009

Vol. 9, iss. 2

201-204

In area of flat defect, predefined a gradient tireless - corrosive tensions, a double electric layer, conditioned the spatial redistribution of electronic closeness, is formed. It shows up a local rejection mikro-thermo-power at use of heating edge of tungsten thermocouple. Test approbation of method is conducted on the deformed chromel.