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phys. stat. sol. (b) 239, No. 1, 4447 (2003) / DOI 10.1002/pssb.200303237 2003 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
 

Summary: phys. stat. sol. (b) 239, No. 1, 4447 (2003) / DOI 10.1002/pssb.200303237
2003 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Reaction enthalpies as selection criteria for tribological coatings
N. Ooi*, 1
, James B. Adams1
, and Uttam Singisetti2
1
Department of Chemical and Materials Science Engineering, Arizona State University, Tempe,
AZ 85287-6006, USA
2
Department of Electrical Engineering, Arizona State University, Tempe, AZ 85287-5706, USA
Received 15 March 2003, accepted 15 April 2003
Published online 1 September 2003
PACS 62.20.Qp, 68.35.p
A wide range of coatings are used for a variety of applications. Selection criteria for these coatings in-
clude coating-substrate adhesion, hardness, melting temperature, coefficient of thermal expansion mis-
match, corrosion resistance, and cost. A factor often ignored is the possibility of reaction between the
coating and the other surface which it contacts during use. This is especially important when frictional
forces produce enough heat to locally melt asperities or even cause friction welding, as that heat will en-
hance the likelihood of chemical reactions at the interface. One aspect of this is to consider the reaction

  

Source: Adams, James B - Department of Chemical and Materials Engineering, Arizona State University

 

Collections: Materials Science