In-situ composite formation of damage tolerant coatings utilizing laser

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United States of America Patent

PATENT NO 8673455
APP PUB NO 20110204700A1
SERIAL NO

13089163

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Abstract

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A coating steel component with a pattern of an iron based matrix with crystalline particles metallurgically bound to the surface of a steel substrate for use as disc cutters or other components with one or more abrading surfaces that can experience significant abrasive wear, high point loads, and large shear stresses during use. The coated component contains a pattern of features in the shape of freckles or stripes that are laser formed and fused to the steel substrate. The features can display an inner core that is harder than the steel substrate but generally softer than the matrix surrounding the core, providing toughness and wear resistance to the features. The features result from processing an amorphous alloy where the resulting matrix can be amorphous, partially devitrified or fully devitrified.

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Patent Owner(s)

Patent OwnerAddress
UT-BATTELLE LLCOAK RIDGE TENNESSEE 37831-6258

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aprigliano, Louis F Berlin, US 11 157
Blue, Craig A Knoxville, US 35 537
Engleman, Peter G Knoxville, US 4 51
Ozdemir, Levent Golden, US 6 80
Peter, William H Knoxville, US 9 124
Rozgonyi, Tibor G Golden, US 4 17
Wong, Frank Livermore, US 5 19

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