The process and properties of metal injection molded heat resistant stainless steel

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• 作者：W.WangM.OuyangD.YeJ.SongF.PengY.YuZ.Zhuang
• 会议时间：2013-11-01
• 关键词：Metal injection molding (MIM) ; Heat resistant stainless steel ; Turbocharger ; Nozzle ring
• 作者单位：W.Wang,M.Ouyang,D.Ye,J.Song,F.Peng,Y.Yu(Xiamen Honglu Tungsten Molybdenum Industry Co.Ltd,361021 Xiamen,China)Z.Zhuang(China National R&D Center for Tungsten Tech.,Xiamen Tungsten Co.Ltd,361026 Xiamen,China)
• 母体文献：2013年全国粉末冶金学术会议及海峡两岸粉末冶金技术研讨会论文集
• 会议名称：2013年全国粉末冶金学术会议及海峡两岸粉末冶金技术研讨会
• 会议地点：厦门
• 主办单位：中国机械工程学会
• 语种：chi

摘要

Metal injection molding (MIM) for HK30 heat resistant stainless steel has been investigated,including the process steps of feedstock preparation,injection molding,debinding and sintering.Mechanical properties of the sintered HK30 stainless steel obtained by various process parameters and the corresponding microstructures have been analyzed.The developed MIM process has been successfully applied to produce the guide vanes for nozzle ring of variable geometry turbochargers (VGT).A method to control the dimensional accuracy of the guide vanes fabricated by MIM has been presented.