?url_ver=Z39.88-2004&rft_id=1615021008&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+MEDIA+QUENCHING+TERHADAP+KEKUATAN%0D%0ATARIK+BAJA+AISI+1045+&rft.creator=+FACHRIAN++GIOVALKA+%2C+1615021008&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.subject=660+Teknik+kimia&rft.subject=670+Manufaktur%2C+pabrik-pabrik&rft.description=+%0D%0A%0D%0A%0D%0AABSTRAK+%0D%0A%0D%0A+%0D%0APENGARUH+MEDIA+QUENCHING+TERHADAP+KEKUATAN%0D%0ATARIK+BAJA+AISI+1045+%0D%0AOleh%0D%0A+%0D%0AFachrian+Giovalka%0D%0A%0D%0ABaja+karbon+AISI+1045+adalah+baja+paduan+karbon+sedang+yang+saat+ini+banyak%0D%0Adigunakan+sebagai+bahan+utama+pada+mesin+yaitu+gear%2C+batang+penghubung+piston%0D%0Apada+kendaraan+bermotor%2C+dan+untuk+membuat+poros+pada+mesin.+Penelitian+ini%0D%0Abertujuan+untuk+mengetahui+pengaruh+media+quenching+terhadap+sifat+mekanik+dan%0D%0Astruktur+mikro+Baja+AISI+1045.+Penelitian+ini+menggunakan+spesimen+berupa+Baja+%0D%0AAISI+seri+1045+yang+diberikan+perlakuan+panas+850%0D%0Ao%0D%0AC+selama+60+menit%2C+%0D%0Akemudian+di+quenching+dengan+media+pendingin+berupa+air%2C+air+garam+dan+oli.+%0D%0ASelanjutnya+dilakukan+pengujian+tarik+terhadap+baja+AISI+1045+sebelum+dan%0D%0Asesudah+dilakukannya+perlakuan+panas+quenching.+Hasil+uji+tarik+yang+didapatkan%0D%0Anilai+kekuatan+tarik+maksimum+sebelum+dilakukan+perlakuan+panas+sebesar+693%2C7%0D%0AMPa.+Hasil+uji+tarik+setelah+dilakukan+perlakuan+panas+quenching+dengan+media%0D%0Aair%2C+air+garam+dan+oli+diperoleh+kekuatan+tarik+maksimum+sebesar+2272%2C4+MPa%2C%0D%0A2324%2C8+MPa+dan+1996%2C8+MPa.+Pengujian+struktur+mikro+hasil+yang+diperoleh%0D%0Asebelum+dilakukan+perlakuan+panas+struktur+yang+mendominasi+yaitu+ferrit+dan%0D%0Apearlit%2C+pearlit+dan+ferit+merupakan+fasa+awal+dari+baja+karbon+yang+memiliki+sifat%0D%0Alunak+dan+keras%2C+keduanya+memiliki+butir+yang+besar+dan+kasar%2C+setelah%0D%0Adilakukan+perlakuan+panas++muncul+fasa+martensit+dimana+fasa+ini+memiliki%0D%0Asifat+yang+keras.+%0D%0AKata+kunci%3A+AISI+1045%2C+quenching%2C+air%2C+air+garam%2C+Oli+SAE+40%2C+kekuatan+tarik%2C%0D%0Astrukturmikro.%0D%0A%0D%0AABSTRACK%0D%0A+%0D%0A%0D%0A+%0D%0ATHE+EFFECT+OF+MEDIA+QUENCHING+ON+THE+TENSIL+STRENGTH+%0D%0AOF+AISI+STEEL+1045%0D%0A%0D%0ABy%0D%0A%0D%0AFachrian+Giovalka%0D%0A%0D%0AAISI+1045+carbon+steel+is+a+medium+carbon+alloy+steel+that+is+currently+widely%0D%0Aused+as+the+main+material+in+engines%2C+namely+gears%2C+piston+connecting+rods+in%0D%0Amotor+vehicles%2C+and+to+make+shafts+in+engines.+This+study+aims+to+determine+the%0D%0Aeffect+of+quenching+media+on+the+mechanical+properties+and+microstructure+of%0D%0AAISI+1045+Steel.+This+study+used+a+specimen+in+the+form+of+AISI+1045+Steel%0D%0Awhich+was+given+heat+treatment+at+850%E2%84%83+for+60+minutes%2C+then+quenched+with%0D%0Acooling+media+in+the+form+of+water%2C+salt+water+and+oil.+%0D%0A%0D%0AFurthermore%2C+tensile+testing+of+AISI+1045+steel+was+carried+out+before+and+after%0D%0Aquenching+heat+treatment.+The+tensile+test+results+obtained+the+maximum+tensile%0D%0Astrength+value+before+heat+treatment+was+693.7+MPa.+The+results+of+the+tensile%0D%0Atest+after+quenching+heat+treatment+with+water%2C+salt+water+and+oil+media+obtained%0D%0Amaximum+tensile+strength+of+2272.4+MPa%2C+2324%2C8+MPa+and+1996%2C8+MPa.%0D%0AMicrostructure+testing+results+obtained+before+heat+treatment+of+the+dominating%0D%0Astructure%2C+namely+ferrite+and+pearlite%2C+pearlite+and+ferrite+are+the+initial+phases+of%0D%0Acarbon+steel+which+have+soft+and+hard+properties%2C+both+have+large+and+coarse%0D%0Agrains%2C+after+heat+treatment+a+martensite+phase+appears+where+This+phase+is+hard.+%0D%0AKeywords+%3A+AISI+1045%2Cquenching%2C+water%2C+brine%2C+SAE+40+oil%2C+tensile+%0D%0Astrength%2Cmicrostructure.%0D%0A&rft.publisher=FAKULTAS+TEKNIK&rft.date=2022-06-28&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F65443%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F65443%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F65443%2F3%2FSKRIPSI%2520FULL%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=+++FACHRIAN+GIOVALKA+%2C+1615021008++(2022)+PENGARUH+MEDIA+QUENCHING+TERHADAP+KEKUATAN+TARIK+BAJA+AISI+1045.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F65443%2F