@thesis{thesis,
		author={HIDAYATULLAH  Mochammad Agus Vian},
		title ={Analisis Pengaruh Temperatur Dan Fraksi Berat Arang Kayu Mahoni Terhadap Karakterisasi Asii Baja ss400 Dengan Metode Packicarburizing},
		year={2020},
		url={161910101066;},
		abstract={The ieffect iof itemperature iand iweight ifraction iof imahogany i(Swietenia
imahogany) iwood icharcoal ion iSS400 isteel icharacterization iusing ipack
icarburizing imethod: iMochammad iAgus iVian iHidayatulloh, i161910101066;
i2020: i100 ipages; iMechanical iEngineering iDepartment, iThe iFaculty iof i 
iEngineering, iJemberiUniversity.
Surface ihardening iprocessiisione iof ithe ifinal istepsito iimprove ithe iproduct iquality
iespeciallyiinithoughnessiofisteelicore. iInithisistudyiSS400isteeliwasiinvestigatedias
ithe ipotential isteel icore ito ibe iused ias ia isprocket. iHowever, ithis imaterial iis
icategorized iin ilow ihardnessidue ito iitsilow icarbon icontent. iImproving iSS400 isteel
iby iusing isurface ihardening iwas icarried iout iby ipack icarburizing iwith iMahogany
iWood iCharcoal i(MWC)ipowderiasicarburizing. iThe iweight ifraction iofiMWCiwas
ivaried iati60, i70iand i80%iwith iratio imixingiofiBaCO3 iactivatorifori40, i30iand i20%
irespectively. iThe ipack icarburizing iprocessiwasiconducted iat i850 i°C ianda i900 i°C
iwithiholdingitimeifori1ihifollowedibyiquenching. iTheihardnessitestishowedithatithe
ihighestihardnessivalueiwasi677.50iHViativariationiofi60%iMWCi+i40%iBaCO3 ion
i900 i°Ci(holding itime i1 ih). iThisivalue iwasiHigher ithan iraw imaterialsifori452% iof
iraw imaterial. iThe imicrostructuresialso idisplay iamartensite istructuriin ithisisample.
iThe itotal icase idepth itest ishowed ithat ithe ihighest icase idepth ivalue iwasi0.55 immiat
ivariation iof i60% iMWC i+ i40% iBaCO3 ion i900 i°C i(holding itime i1 ih), iwhile
ivariationsiof i80% imahogany icharcoal iand i20% iBaCO3 iat i850 i°iCihad ithe ilowest
itotalicaseideptithatiisiequalitoi0.20imm. i}
		}