?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=EFEKTIVITAS+EKSTRAK+DAUN+PEPAYA+(CARICA+PAPAYA+L)%0D%0ASEBAGAI+INHIBITOR+PADA+BAJA+KARBON+AISI+1020+DALAM%0D%0AMEDIUM+KOROSIF+NaCl+3%25&rft.creator=REPANGGA+YUGI+ADITAMA+%2C+1417041067&rft.subject=Q+Science+(General)&rft.subject=QC+Physics&rft.description=Ekstrak+daun+pepaya+yang+digunakan+sebagai+inhibitor+pada+sampel+baja+karbon%0D%0AAISI+1020%2C+direndam+dalam+medium+karosif+NaCl+3%25.+Variasi+waktu+perendaman%0D%0A4+hari+dan+8+hari+dengan+konsentrasi+inhibitor+0%25%2C+3%25%2C+5%25+dan+7%25.+Sampel+yang%0D%0Atelah+dilakukan+perlakuan+diperoleh+hasil+perhitungan+laju+korosi+yang+paling%0D%0Alambat+pada+sampel+AISI+1020+4.5+dan+yang+paling+cepat+pada+sampel+AISI+1020%0D%0A8.0.+Inhibitor+mempunyai+nilai+efisiensi+paling+efisien+pada+sampel+AISI+1020+4.5%0D%0Adan+nilai+yang+tidak+efisien+pada+sampel+AISI+1020+8.7.+Hasil+karakterisasi+XRD%0D%0Amenunjukkan+bahwa+struktur+kristal+yang+terbentuk+merupakan+BCC+dengan+fasa%0D%0AFe+murni.+Karakterisasi+SEM+menunjukkan+morfologi+permukaan+sampel+terlihat%0D%0Aadanya+gumpalan.+Karakterisasi+EDS+pada+sampel+terlihat+unsur+Oksigen+(O)+dan%0D%0AClorin+(Cl)+yang+mengindikasikan+bahwa+sampel+telah+terkorosi.%0D%0AKata+kunci%3A+Inhibitor%2C+korosi%2C+baja+karbon+AISI+1020%2C+NaCl%2C+pepaya%2C+X-RD%2C+SEM%0D%0Adan+EDS.%0D%0A%0D%0Aabstract%0D%0A%0D%0APapaya+leaf+extract+used+as+an+inhibitor+in+carbon+steel+sample+AISI+1020%2C+was%0D%0Aimmersed+in+a+3%25+carboxy+NaCl+medium.+Variation+of+immersion+time+of+4+days%0D%0Aand+8+days+with+0%25%2C+3%25%2C+5%25+and+7%25+inhibitor+concentration.+The+treated+sample%0D%0Aobtained+the+slowest+corrosion+rate+calculation+result+in+AISI+1020+4.5+sample+and%0D%0Athe+fastest+in+AISI+1020+8.0+sample.+The+inhibitor+has+the+most+efficient+efficiency%0D%0Arating+in+the+AISI+1020+4.5+sample+and+the+inefficient+value+in+the+AISI+1020+8.7%0D%0Asample.+The+result+of+XRD+characterization+shows+that+the+crystalline+structure%0D%0Aformed+is+BCC+with+pure+Fe+phase.+SEM+characterization+shows+the+surface%0D%0Amorphology+of+the+sample+seen+the+presence+of+clots.+Characterization+of+EDS+in%0D%0Athe+sample+seen+elements+of+Oxygen+(O)+and+Clorin+(Cl)+which+indicates+that+the%0D%0Asample+has+been+corroded.%0D%0AKey+words%3A+Corrosion%2C+inhibitor%2C+AISI+1020+carbon+steel%2C+NaCl%2C+papaya+leaf%2C+XRD%2C%0D%0ASEM+and+EDS.&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+&rft.date=2018-07-09&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F32247%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F32247%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F32247%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++REPANGGA+YUGI+ADITAMA+%2C+1417041067++(2018)+EFEKTIVITAS+EKSTRAK+DAUN+PEPAYA+(CARICA+PAPAYA+L)+SEBAGAI+INHIBITOR+PADA+BAJA+KARBON+AISI+1020+DALAM+MEDIUM+KOROSIF+NaCl+3%25.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F32247%2F