?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+VARIASI+TEMPERATUR+PADA+PROSES+PACK+CARBURIZING+TERHADAP+LAJU+KEAUSAN+BAJA+ST+41&rft.creator=Wili+Alfani%2C+0915021013&rft.subject=Mesin+(General).+Mesin+Sipil+(General)&rft.description=%0D%0APack+carburizing+merupakan+proses+termokimia+atau+chemical+heat+treatment+yang+dilakukan+dengan+mengubah+komposisi+kimia+permukaan+baja+untuk+memperkaya+unsur+karbon+pada+permukaan+baja+pada+temperatur+850%E2%80%93950%C2%BAC%2C+sehingga+atom+karbon+aktif+tersebut+akan+berdifusi+masuk+ke+dalam+permukaan+baja+dan+mencapai+kedalaman+tertentu.+Setelah+proses+difusi%2C+diikuti+perlakuan+pendinginan+cepat+(quenching)%2C+sehingga+diperoleh+permukaan+yang+lebih+keras%2C+tetapi+liat+dan+tangguh+bagian+tengahnya.+Penelitian+ini+bertujuan+untuk+mengetahui+pengaruh+variasi+temperatur+pack+carburizing+terhadap+laju+keausan+baja+ST+41.%0D%0ABaja+karbon+rendah+yang+digunakan+pada+penelitian+adalah+jenis+baja+ST+41+dan+temperatur+yang+digunakan+dalam+proses+pack+carburizing+adalah+850%2C+900%2C+dan+950+oC%2C+sedangkan+sumber+karbon+yang+digunakan+adalah+arang+tempurung+kelapa+dan+cangkang+telur+sebagai+katalis.+Pengujian+keausan+menggunakan+mesin+uji+Ogoshi+tipe+OAT-U.+Dari+pengujian+keausan+sebelum+proses+pack+carburizing+diperoleh+spesifik+abrasi+sebesar+3.27+x+10-6+mm2%2Fkg+dan+setelah+proses+pack+carburizing+untuk+masing-masing+temperatur+850%2C+900%2C+dan+950+oC+adalah+1.87+x+10-6%2C+1.44+x+10-6%2C+dan+1.83+x+10-6+mm2%2Fkg.+Hasil+terbaik+diperoleh+pada+temperatur+900+oC.%0D%0A%0D%0AKata+kunci%3A+pack+carburizing%2C+uji+keausan%2C+quenching%2C+difusi.%0D%0A%0D%0A%0D%0A%0D%0A%0D%0AABSTRACT%0D%0A%0D%0APack+carburizing+is+a+thermochemical+process+or+chemical+heat+treatment+is+done+by+changing+the+chemical+composition+of+the+steel+surface+to+enrich+the+carbon+elements+on+the+surface+of+the+steel+at+a+temperature+of+850-950%C2%BAC%2C+so+that+the+active+carbon+atoms+will+diffuse+into+the+steel+surface+and+reaches+a+certain+depth.+After+the+diffusion+process%2C+followed+by+treatment+of+rapid+cooling+(quenching)%2C+in+order+to+obtain+a+harder+surface%2C+but+tough+and+resilient+middle.+This+study+aims+to+determine+the+effect+of+temperature+variation+on+the+rate+of+wear+pack+carburizing+steel+ST+41.%0D%0ALow+carbon+steel+used+in+the+research+is+the+type+of+steel+ST+41+and+the+temperatures+used+in+the+process+of+pack+carburizing+is+850%2C+900%2C+and+950+%C2%B0+C+with+a+holding+time+for+30+minutes+followed+by+quenching%2C+while+the+carbon+source+used+is+coconut+shell+charcoal+and+shells+eggs+as+a+catalyst.+Wear+testing+using+the+test+machine+Ogoshi+type+of+OAT-U.+From+the+testing+of+wear+before+the+pack+carburizing+process+specific+abrasion+obtained+by+3%3A27+x+10-6+mm2%2Fkg+and+after+pack+carburizing+process+for+each+temperature+of+850%2C+900%2C+and+950+%C2%B0+C+is+1.87+x+10-6%3B+1%2C44+x+10-6%3B+and+1.83+x+10-6+mm2%2Fkg.+Best+results+are+obtained+at+temperatures+of+900+%C2%B0+C.%0D%0A%0D%0AKeywords%3A+pack+carburizing%2C+shrinkage+testing%2C+quenching%2C+diffuse.%0D%0A&rft.publisher=UNIVERSITAS+LAMPUNG&rft.date=2016-08-29&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F24776%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F24776%2F2%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F24776%2F3%2FSKRIPSI%2520FULL.pdf&rft.identifier=++Wili+Alfani%2C+0915021013++(2016)+PENGARUH+VARIASI+TEMPERATUR+PADA+PROSES+PACK+CARBURIZING+TERHADAP+LAJU+KEAUSAN+BAJA+ST+41.++UNIVERSITAS+LAMPUNG%2C+FAKULTAS+TEKNIK.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F24776%2F