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Abstract:MetallographicsamplepreparationandetchantselectionforFe£Çbasedpowdermetallurgypartswereintroduced,and metallographicmethodwasutilizedtoanalyzesomedefectsinFe£Çbasedpowdermetallurgyparts£®Theresultsshowthat:thedefectsofpartswouldoccurintheprocessofmixing,compaction,sintering,heattreatmentandsoonduetoimproperstorageandprocessingtechnology;bymetallographicanalysisandcomparisonondefectpartsandnormalparts,rootcausesfordefectscouldbeconcludedandusedforprocessingguidanceandqualityimprovement£®
Keywords:Fe£Çbasedpowdermetallurgy;metallographicanalysis;defect
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