Stock material or miscellaneous articles – All metal or with adjacent metals – Having composition – density – or hardness gradient
Patent
1998-04-08
2000-07-11
Thibodeau, Paul
Stock material or miscellaneous articles
All metal or with adjacent metals
Having composition, density, or hardness gradient
428621, 428212, B32B 514, B32B 710, B21D 3900
Patent
active
060870222
ABSTRACT:
A component subjected to one or more of rolling, sliding, abrasion and bending contacts is disclosed. The component has a surface and functionally graded material (FGM) thermally sprayed on the surface to form an FGM coating. The FGM coating has a thickness and a plurality of material compositions. The FGM coating also has a plurality of elastic modulus profiles. Each elastic modulus profile consists of a plurality of elastic modulii at a plurality of corresponding points within that thickness. The elastic modulii are in the range from about 28 Mpsi to about 60 Mpsi. Optionally, there is also a plurality of carbon content profiles.
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Cherradi N., et al., Materiaux a gradient: exploitation du concept et techniques de production par . . . vol. 93, No. 2, pp 185-196.
Application: Advanced Thermal Spray Coatings for Corrosion and Wear Resistance, Tucker, Jr. & Ashary, Praxiar Surface Technologies, Inc.
Article: MRS Bulletin/Jan. 1995 Thermal Spray Processing of FGMs S. Sampath, H. Herman, N. Shimoda, & T. Saito.
Beardsley M. Brad
Burris Kenneth W.
Chuzhoy Leonid
Caterpillar Inc.
Kercher Kevin M.
Rickman Holly C
Thibodeau Paul
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