Sliding and abrasive wear behaviour of HVOF- and HVAF-sprayed Cr3C2-NiCr hardmetal coatings
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- 作者：G. Bolellia ; giovanni.bolelli@unimore.it" class="auth_mail" title="E-mail the corresponding author ; L.-M. Bergerb ; 1 ; T. Bö ; rnera ; b ; 2 ; H. Koivuluotoc ; V. Matikainenc ; L. Lusvarghia ; C. Lyphoutd ; N. Markocsand ; P. Nylé ; nd ; P. Sassatellia ; R. Tracheb ; P. Vuoristoc
- 关键词：Thermal spray coatings ; Cermets ; Three-body abrasion ; Sliding wear ; High temperature ; Indentation
- 刊名：Wear
- 出版年：2016
- 出版时间：15 July 2016
- 年：2016
- 卷：358-359
- 期：Complete
- 页码：32-50
- 全文大小：10495 K
文摘
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Particle abrasion involves coarse abrasive grooving and pull-out of coating fragments.
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Particle abrasion resistance depends on inter- and intra-lamellar cohesive strength.
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Sliding wear at R.T. involves moderate abrasion, carbide pull-out and adhesive wear.
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At 400 °C, sliding wear rates increase due to more severe abrasive grooving.
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Lower friction at 400 °C than at R.T. is due to graphite clusters in the wear debris.