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Title: Tungsten oxide with different oxygen contents: Sliding properties
Authors: Polcar, T. 
Parreira, N. M. G. 
Cavaleiro, A. 
Keywords: Tungsten oxide; Reactive sputtering; Mechanical properties; Tribology
Issue Date: 2007
Citation: Vacuum. 81:11-12 (2007) 1426-1429
Abstract: In this study, tungsten oxide coatings with 13 and 75 at% of oxygen were prepared by DC reactive magnetron sputtering from a pure W target in an Ar+O2 atmosphere. The coating hardness (H) decreased with increasing oxygen content from 25 to 7.7 GPa. The values of H/E ratio were 0.08 and 0.07 for W87O13 and W25O75, respectively.
Rights: openAccess
Appears in Collections:FCTUC Eng.Mecânica - Artigos em Revistas Internacionais

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