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AssociateProfessorNatashaSacksPosition: AssociateProfessorQualifications: Dr.Ing.Engineering(Erlangen,Germany)

MSc.Eng.(Materials)(UCT)BSc.Eng.(Materials)(UCT)MSAIMMPhone: +21117177523Email: Natasha.Sacks@wits.ac.zaOrganisationalUnit: SchoolofChemicalandMetallurgicalEngineeringRoom: RichardWardbuilding,Room412ResearchInterestsPowdermetallurgyresearchfocusingpredominantlyoncementedtungstencarbidealloysandcoatings,fromtheproductionprocessestofailureandrecyclingofcomponents.Currentresearchthemesare:cuttingtools,coldspraycoatings,recyclingofscraphardmetal,andtribologyofalloysandcoatings.RecentPublications

1. CFreemantle,NSacks,MTopic,CAPineda-Vargas,PIXEcharacterizationofby-productsresulting from the zinc recycling of industrial cementedcarbides,Nuclear InstrumentsandMethodsinPhysicsResearchB363(2015)167-172.

2. CFreemantle,NSacks,The impactof zinc recyclingon the slurry rheologyofWC-6wt.%Cocementedcarbides,InternationalJournalofRefractoryMetalsandHardMaterials,49(2015)99-109.

3. CSFreemantle,NSacks,Recyclingofcementedtungstencarbideminingtoolscrap,TheJournal of The Southern African Institute ofMining andMetallurgy, 115 (2015) 1207-1213.

4. D Lioma, N Sacks, I Botef, Cold gas dynamic spraying of WC-Ni cemented carbidecoatings, InternationalJournalofRefractoryMetalsandHardMaterials,49(2015)365-373.

5. NBSMagagula,NSacks,IBotef,CharacterisationofWC-4wt%Ni-1wt%MoandWC-4wt%Ni-10wt%TiCcoldspraycoatings,MicroscopySocietyofSouthernAfrica53

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AnnualConferenceProceedings,vol.45,SouthAfrica,December2015.ISBN:978-0-620-68731-7.

6. RI Sekabate, N Sacks, I Botef, Sliding wear of WC-4wt%Ni-10wt%TiC-1wt%Mo coldsprayed coatings, Microscopy Society of Southern Africa 53rd Annual ConferenceProceedings,vol.45,SouthAfrica,December2015.ISBN:978-0-620-68731-7.

7. TMoropene,NSacks,DLioma,IBotef,LowPressureColdGasDynamicSprayingofaWC-10wt%(Ni-Al-Al2O3-Zn) Coating, Euro PM2015 Congress and Exhibition, France, October2015.ISBN:978-1-899072-47-7.

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8. JTKurasha,NSacks,FeasibilityStudyontheUseofZincRecyclingtoRecoverToolGradeCemented Tungsten Carbide Powders, Euro PM2015 Congress and Exhibition, France,October2015.ISBN:978-1-899072-47-7.

9. D Lioma, N Sacks, I Botef, Cold gas dynamic spraying of wear resistant WC-basedcoatings,11thIntTribologyConference,March2015,SouthAfrica.ISBN978-0-620-60542-7.

10. AA Enever, GA Oosthuizen, N Sacks, Wear effects of custom tungsten carbide grindingwheel,11thIntTribologyConference,March2015,SouthAfrica.ISBN978-0-620-60542-7.

11. FConradie,TiaanOosthuizen,NSacks,MSaxer,Theeffectoftitaniumalphacaseonthewearofindexablecarbidecutters,11th IntTribologyConference,March2015,SouthAfrica.ISBN978-0-620-60542-7.

AffiliationsSouthAfricanInstituteofMiningandMetallurgySouthAfricanInstituteofTribologyMetalPowderIndustriesFederation(USA)

TeachingSolidification,heattreatmentandmicrostructure(3rdyear)CorrosionandWear(3rdyear)Tribology:friction,wearandlubrication(Postgraduate)Weldabilityofferrous&non-ferrousmaterials(Postgraduate)