STRUCTURES AND CORROSION CHARACTERISTICS OF ELECTROLESS NI-MO-P ALLOY DEPOSITS

NCUIR > Engineering College > Graduate Institute of Mechanical Engineering > journal & Dissertation > Item 987654321/27154

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/27154

Title:	STRUCTURES AND CORROSION CHARACTERISTICS OF ELECTROLESS NI-MO-P ALLOY DEPOSITS
Authors:	LEE,SL;LIANG,HH
Contributors:	機械工程學系
Keywords:	NICKEL;COATINGS
Date:	1991
Issue Date:	2010-06-29 18:09:08 (UTC+8)
Publisher:	中央大學
Abstract:	The structures and corrosion behavior of five electroless Ni-Mo-P alloy deposits with 20 to 25-mu-m thickness were studied. The deposits were prepared by controlling the concentration of sodium molybdate (Na2MoO4), which varies from 0 to 0.01 M. Both amorphous and crystalline structures were obtained by changing the concentration of Na2MoO4. The maximum molybdenum content of 19.4 wt percent was obtained at 0.01 M concentration. These deposits of higher phosphorus and lower molybdenum content showed less weight loss after immersion in acidic neutral and alkaline solutions during corrosion tests. This observation is believed to be correlated with the change from crystalline to amorphous structure.
Relation:	PLATING AND SURFACE FINISHING
Appears in Collections:	[Graduate Institute of Mechanical Engineering] journal & Dissertation

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