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Metallurgy

University of Northern Iowa

Theses/Dissertations

2001

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An Investigation Of Eddy Current Analysis For Laser Surface Treatment Of Steel, Ronald Edward O'Meara Jan 2001

An Investigation Of Eddy Current Analysis For Laser Surface Treatment Of Steel, Ronald Edward O'Meara

Dissertations and Theses @ UNI

The problem of this exploratory study was to determine the strength of the bivariate correlational relationship between microhardness readings converted to Rockwell values and eddy current values of laser heat-treated AISI 1045 steel. Further, the microstructure was analyzed to determine the microstructural changes formed by laser surface treatment utilizing a carbon dioxide laser.

The purpose of this study was to investigate the microhardness and depth of hardness formed by laser surface treatment, to develop a measure of correlation between microhardness and eddy current values, and to study microstructural changes formed by the laser surface treatment. This knowledge could be used …