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University of South Florida

Materials Science and Engineering

Delamination

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Interface Engineered Diamond Coatings For Dry Machining Applications, Humberto Arturo Gomez Vega Jan 2011

Interface Engineered Diamond Coatings For Dry Machining Applications, Humberto Arturo Gomez Vega

Graduate Theses and Dissertations

Several studies have been propose to improve the adhesion of diamond films on cemented carbide tool materials, however a systematic study in identifying the role of the factors that affect the final diamond adhesion and the resulting machining performance of the tool under real manufacturing conditions is still unexplored. CVD diamond film's extraordinary qualities bring little benefit if the film fails to adhere sufficiently to the substrate. Inadequate adhesion undermines tool performance and longevity, causing unpredictable behavior under load and possibly leading to unexpected failure of the tool in the production line. This dissertation investigates the effects of different ...