Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/7922
Title: Fretting wear rate of sulphur deficient MoSx coatings based on dissipated energy
Authors: Xiaoling Zhang, W.
LAUWERENS, Walter 
STALS, Lambert 
He, J.
Celis, J-P
Issue Date: 2001
Publisher: MRS
Source: JOURNAL OF MATERIALS RESEARCH, 16(12). p. 3567-3574
Abstract: The fretting wear of sulphur-deficient MoSx coatings with different crystallographic orientations has been investigated in ambient air of controlled relative humidity. The coefficient of friction and the wear rate of MoSx coatings sliding against corundum depend not only on fretting parameters like contact stress, fretting frequency, and relative humidity, but also strongly on the crystallographic orientation of the coatings. For randomly oriented MoSx coatings, the coefficient of friction and the wear rate increased significantly with increasing relative humidity. In contrast, basal-oriented MoSx coatings were less sensitive to relative humidity. The coefficient of friction of both types of MoSx coatings decreased on sliding against corundum with increasing contact stress and decreasing fretting frequency. A correlation between dissipated energy and wear volume is proposed. This approach allows detection in a simple way of differences in fretting wear resistance between random- and basal-oriented MoSx coatings tested in ambient air of different relative humidity.
Document URI: http://hdl.handle.net/1942/7922
Link to publication: http://www.mrs.org/s_mrs/bin.asp?CID=2280&DID=48530&DOC=FILE.PDF
ISSN: 0884-2914
e-ISSN: 2044-5326
ISI #: 000172585100033
Category: A1
Type: Journal Contribution
Validations: ecoom 2002
Appears in Collections:Research publications

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