Influence of processing route on microstructure and wear resistance of fly ash reinforced AZ31 magnesium matrix composites

作     者：I.Dinaharan S.C.Vettivel M.Balakrishnan E.T.Akinlabi 

作者机构：Department of Mechanical Engineering ScienceUniversity of JohannesburgAuckland Park Kingsway CampusJohannesburg 2006 GautengSouth Africa Department of Mechanical EngineeringChandigarh College of Engineering and TechnologyChandigarh 160019India Department of Mechanical EngineeringNehru Institute of Engineering and TechnologyCoimbatore 641105 Tamil NaduIndia 

出 版 物：《Journal of Magnesium and Alloys》 (镁合金学报（英文）)

年 卷 期：2019年第7卷第1期

页      面：155-165页

核心收录：

学科分类：08[工学] 080502[工学-材料学] 0805[工学-材料科学与工程（可授工学、理学学位）] 

基　　金：Coimbatore Institute of Technology Thermal Power Station at Tuticorin, Centre for Metallurgy and Materials processing at V V College of Engineering 

主　　题：Magnesium matrix composite Stir casting Friction stir processing Fly ash Wear 

摘      要：Utilizing fly ash(FA)as reinforcement for magnesium matrix composites(MMCs)brings down the production cost and the land *** alloy AZ31 was reinforced with FA particles(10 vol.%)successfully by two different processing methods namely conventional stir casting and friction stir processing(FSP).The microstructural features were observed using optical microscope,scanning electron microscope and electron backscatter *** sliding wear behavior was tested using a pin-on-disc wear *** stir cast composite showed inhomogeneous particle dispersion and coarse grain *** of the FA particles decomposed and reacted with the matrix alloy to produce undesirable ***,FSP composite showed superior particle dispersion and fine,equiaxed grains by dynamic *** particles encountered disintegration but there was no interfacial *** composite demonstrated higher strengthening and wear resistance to that of stir cast *** morphology of the worn surface and the wear debris were studied in detail.