WEAR BEHAVIOR OF SOLID LUBRICANTS AG AND BAF2-CAF2 OBTAINED BY LASER-SURFACE CLADDING

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题名:	WEAR BEHAVIOR OF SOLID LUBRICANTS AG AND BAF2-CAF2 OBTAINED BY LASER-SURFACE CLADDING
作者:	JENG,MC;SOONG,YL
贡献者:	機械工程學系
关键词:	COATINGS;SILVER;ALLOYS
日期:	1993
上传时间:	2010-06-29 18:08:31 (UTC+8)
出版者:	中央大學
摘要:	The solid lubricants Ag and BaF2-CaF2 eutectic with bond coat Cr3C2-(Ni-Al) were successfully coated onto AISI 1020 low carbon steel by laser surface cladding via the pre-placing method, The frictional and wear properties of single- and multiple-component lubricants were evaluated at various temperatures (50, 300 and 550-degrees-C) with a Schwingung Reibung Verschleiss (SRV) oscillation friction wear tester under different loads (10, 20 and 30 N). Scanning electron microscopy was used to characterize the wear mechanisms of the worn surfaces of specimens. The results showed that the specimens underwent a loss and that the diameter of their counterpart balls increased with increasing test temperature. The friction coefficient decreased with increasing load. The wear mechanism was studied by observing worn surfaces using scanning electron microscopy which showed that the abrasive wear due to the ploughing of wear debris was significant. The specimen D, which contained 15wt.% Ag and 15wt.% BaF2-CaF2 eutectic in a metal-bonded Ni-Al and Cr3C2 matrix, has the best frictional and wear performance at 300 and 550-degrees-C.
關聯:	SURFACE & COATINGS TECHNOLOGY
显示于类别:	[機械工程研究所] 期刊論文

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