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The thermoelectric inhomogeneity of palladium wire

Yong-Gyoo Kim, Kee Sool Gam and Jeong Hoon Lee

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Thermoelectric inhomogeneity tests were performed on pure palladium wire using a moving temperature gradient method and the results were analysed quantitatively. The Seebeck coefficient of palladium was found to differ with the heat-treatment conditions. The variation of extra EMF was explained well with the analytical approach. The calculation and experimental results closely coincided with each other. To keep the palladium homogeneous, high-temperature annealing for removal of plastic deformation and low-temperature heat-treatment for annealing out of quenched-in vacancies should be carried out.


PACS

81.40.Lm Deformation, plasticity, and creep

07.20.Dt Thermometers

81.40.Gh Other heat and thermomechanical treatments

Subjects

Instrumentation and measurement

Condensed matter: structural, mechanical & thermal

Dates

Issue 3 (March 1997)

Received 23 April 1996, accepted for publication 11 December 1996, in final form 5 December 1996



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