?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+ARUS+LAS+TERHADAP+KEKUATAN+TARIKHASIL+PENGELASAN+SMAW+PADA+BAJA+AISI+1045&rft.creator=%09M.+Alfin+%2C+Daud%09&rft.subject=600+Teknologi+(ilmu+terapan)&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Proses+pengelasan+adalah+suatu+proses+yang+menggunakan+energi+panas+untuk%0D%0Amenyatukan+dua+atau+lebih+bagian+logam.+Proses+ini+menyebabkan+area+disekitar%0D%0Alasan+mengalami+siklus+termal+yang+cepat%2Cmenyebabkan+perubahan+metalurgi+yang%0D%0Akompleks%2C+deformasi%2C+dan+tekanan+termal.+Penelitian+ini+bertujuan+menganalisis%0D%0Apengaruh+kuat+arus+las+yang+digunakan+terhadap+kekuatan+tarik+pada+material+baja%0D%0AAISI+1045+dan+juga+menganalisis+pengaruh+kuat+arus+90+A%2C+120+A%2C+dan+juga+150+A%0D%0Apada+pengelasan+Shielded+Metal+Arc+Welding+(SMAW)+terhadap+struktur+mikro%0D%0Abaja+AISI+1045.+Bentuk+kampuh+yang+digunakan+ialah+jenis+V+tunggal+dengan%0D%0Aposisi+pengelasan+horizontal.+Tipe+serta+diameter+logam+pengisi(filler+metal)+pada%0D%0Apengelasan+ini+digunakan+logam+pengisi+tipe+E7018+dengan+diameter+3%2C2+mm%2C%0D%0Aberdasarkan+standar+AWS+A5.1.+Sedangkan+ukuran+alur+kampuh+diambil%0D%0Aberdasarkan+rekomendasi+JSSC-1997+(Japan+Society+Of+Steel+Construction)+tentang%0D%0Apersiapan+sisi+untuk+pengelasan+baja.+Pengujian+tarik+yang+dilakukan+pada+spesimen%0D%0Auji+menggunakan+standar+ASTM+E8.+Pengujian+ini+dengan+menggunakan.universal%0D%0Atesting+machine+yang+dihubungkan+langsung+dengan+plotter%2C+sehingga+dapat%0D%0Adiperoleh+grafik+tegangan+(MPa)+dan+regangan+(%25)+yang+memberikan+nilai+data+dari%0D%0Ategangan+ultimate+(%CF%83ult)+dan+modulus+elastisitas+bahan+(E).+Pengujian+tarik%0D%0Adilakukan+dengan+menyiapkan+spesimen+uji+yang+sudah+dibentuk+sesuai+dengan%0D%0Astandar+ASTM+E8.+Mikroskop+yang+digunakan+dalam+pengamatan+struktur+mikro%0D%0Aadalah+mikroskop+metalurgi+dengan+merek+BX53M+dan+larutan+etsa+yang%0D%0Adigunakan+adalah+Nital+2%25+(2+Ml+HNO3+65%25+ditambah+98mL+etanol+(97%25)+dan%0D%0Apengamatan+visualisasi+struktur+mikro+menggunakan+metalografi%0D%0AKata+Kunci+%3A+Baja+AISI+1045%2C+Variasi+kuat+arus+las%2C+Pengelasan+SMAW%2C+kekuatan+tarik%0D%0Adan+OM..Welding+is+a+process+that+uses+thermal+energy+to+join+two+or+more+metal+parts.+This%0D%0Aprocess+causes+the+area+around+the+weld+to+undergo+a+rapid+thermal+cycle%2C+leading%0D%0Ato+complex+metallurgical+changes%2C+deformation%2C+and+thermal+stresses.+This+research%0D%0Aaims+to+analyze+the+effect+of+welding+current+on+the+tensile+strength+of+AISI+1045%0D%0Asteel+and+to+examine+the+impact+of+90+A%2C+120+A%2C+and+150+A+currents+in+Shielded%0D%0AMetal+Arc+Welding+(SMAW)+on+the+microstructure+of+AISI+1045+steel.+The+type+of%0D%0Aweld+joint+used+is+a+single+V-groove+with+horizontal+welding+position.+The+filler%0D%0Ametal+used+in+this+welding+process+is+E7018+with+a+diameter+of+3.2+mm%2C+based+on%0D%0AAWS+A5.1+standards.+The+groove+dimensions+are+taken+based+on+recommendations%0D%0Afrom+JSSC-1997+(Japan+Society+of+Steel+Construction)+regarding+edge+preparation%0D%0Afor+steel+welding.+Tensile+testing+on+the+test+specimens+was+conducted+according+to%0D%0AASTM+E8+standards.+This+test+utilized+a+universal+testing+machine+directly%0D%0Aconnected+to+a+plotter%2C+producing+stress+(MPa)+and+strain+(%25)+graphs%2C+providing%0D%0Adata+on+ultimate+stress+(%CF%83ult)+and+material+modulus+of+elasticity+(E).+The+tensile%0D%0Atesting+involved+preparing+test+specimens+shaped+according+to+ASTM+E8+standards.%0D%0AA+metallurgical+microscope%2C+brand+BX53M%2C+was+used+for+observing+the%0D%0Amicrostructure%2C+and+the+etching+solution+used+was+2%25+Nital+(2+mL+HNO3+65%25%0D%0Aadded+to+98+mL+ethanol+97%25).+Visualization+of+the+microstructure+was+done+using%0D%0Ametallography.%0D%0AKeywords%3A+AISI+1045+steel%2C+Welding+current+variation%2C+SMAW+welding%2C+tensile%0D%0Astrength%2C+and+OM.&rft.publisher=TEKNIK&rft.date=2024-07-22&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F87714%2F1%2FAbstrak%2520%2528Skripsi%2529_M.Alfin%2520Daud_2015021045%2520-%2520M.alfin%2520daudi.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F87714%2F2%2FSkripsi%2520full%2520tanpa%2520lampiran_M.Alfin%2520Daud%2520Arya%2520-%2520M.alfin%2520daudi.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F87714%2F3%2FSkripsi%2520tanpa%2520pembahasan%2520dan%2520lampiran%2520-%2520M.alfin%2520daudi.pdf&rft.identifier=+++M.+Alfin+%2C+Daud+++(2024)+PENGARUH+ARUS+LAS+TERHADAP+KEKUATAN+TARIKHASIL+PENGELASAN+SMAW+PADA+BAJA+AISI+1045.++TEKNIK%2C+UNIVERSITAS+LAMPUNG+.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F87714%2F