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《Surface Technology》 2017-10
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Abrasion Resistance of Metallic Materials for Ornaments

YUAN Jun-ping;CHEN Ling-xia;CHEN Shao-xing;Jewelry School,Guangzhou Panyu Polytechnic;  
The work aims to test the abrasion resistance of six common metallic materials for ornaments,and contrastively analyze the ornament material's ability of maintaining surface glossiness.Six typical metallic materials for ornaments,i.e.H70 brass,316 L stainless steel,TA2 pure titanium,Co Cr Mo alloy,tungsten carbide and Ta C system carbide were selected,their chemical composition,hardness and polarization behavior in artificial sweat were detected,abrasion weight loss rate of various ring samples was tested in the method of disc polishing in the artificial sweat,and abrasion morphology was observed by using SEM.Pitting potential of the test materials in artificial sweat sorted from high to low was as follows: TA2Co Cr MoTa Csystem carbide316 Ltungsten carbideH70,and initial hardness: H70TA2316 LCo Cr MoTa C system carbidetungsten carbide,and weight loss rate as H70TA2316 LCoCrMoTaC system carbidetungsten carbide.Provided with the working condition of disc polishing+artificial sweat,the samples will experience weight loss and glossiness reduction under the interaction effect of mechanical wear and corrosion.However,corrosive action on the other samples other than H70 is relatively weaker,while mechanical wear action is stronger.Thus,the higher the material's surface hardness is,the better the abrasion resistance is,and the more conductive to maintain surface glossiness of ornament surface will be.
【Fund】: 广东省科技厅项目(粤科产学研字[2016]176号)~~
【CateGory Index】: TG115
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