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Detection of Metallic Inclusions in Metals by Thermoelectric Coupling

Published online by Cambridge University Press:  17 March 2015

Hector Carreon
Hector Carreon*
Affiliation:
Instituto de Investigaciones Metalúrgicas, Edif.“U” Ciudad Universitaria Morelia, MICH 58000-888, MEXICO
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Abstract

A comparison between reported analytical results with experimental data of the magnetic flux density on cylindrical tin inclusions of elliptical cross-section embedded in a copper matrix under external thermal excitation is presented. By changing the aspect ratios b/a designated by e of the elliptical inclusions, a wide range of real situation such as slender inclusions can be simulated. The experimental magnetic field distribution illustrated the potential for the non contacting thermoelectric technique to detect and characterize metallic inclusions of different geometries based on their magnetic signature. Preliminary results on a cylindrical hard alpha (TiN) inclusion embedded in Ti–6Al–4V matrix is also presented to demonstrate that the proposed non-destructive method might be applicable to a wide range of alloys including high-strength, high-temperature engine materials.

Keywords

thermoelectricmagneticmetallic conductor
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1735: Symposium CC – Advanced Materials for Photovoltaic, Fuel Cell and Electrolyzer, and Thermoelectric Energy Conversion , 2015 , mrsf14-1735-cc09-31
Copyright
Copyright © Materials Research Society 2015 

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References

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