?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+VARIASI+KUAT+ARUS+PENGELASAN+TUNGSTEN%0D%0AINERT+GAS+(TIG)+TERHADAP+KEKUATAN+TARIK+DAN%0D%0ASTRUKTUR+MIKRO+BAJA+KARBON+MEDIUM&rft.creator=GALIH+PAMUNGKAS+%2C+1015021032&rft.subject=Teknik+mesin+dan+mesin&rft.description=ABSTRAK%0D%0A%0D%0APengelasan+Tungsten+Inert+Gas+(TIG)+adalah+suatu+proses+pengelasan+dengan%0D%0Amenggunakan+gas+mulia+sebagai+pelindung+untuk+mencegah+terjadinya+oksidasi%0D%0Apada+material+pengelasan+dengan+udara+luar.+Untuk+menghasilkan+busur+listrik%2C%0D%0Adigunakan+elektroda+yang+tidak+terkonsumsi+terbuat+dari+logam+tungsten+atau%0D%0Apaduannya+yang+memiliki+titik+lebur+sangat+tinggi.+Baja+karbon+medium%0D%0Amerupakan+baja+dengan+kandungan+karbon+sebesar+0%2C36%25+dan+merupakan%0D%0Amaterial+yang+cukup+baik+untuk+digunakan+dalam+proses+pengelasan.+Penelitian+ini%0D%0Abertujuan+untuk+mengetahui+kekuatan+tarik+hasil+pengelasan+tungsten+inert+gas%0D%0A(TIG)+pada+baja+karbon+medium+dengan+menggunakan+variasi+kuat+arus+yang%0D%0Aberbeda.+Dari+hasil+pengujian+yang+telah+dilakukan%2C+diketahui+bahwa+kekuatan%0D%0Atarik+tertinggi+terdapat+pada+material+hasil+pengelasan+200+ampere+dengan+nilai%0D%0Arata+%E2%80%93+rata+kekuatan+tarik+sebesar+680+MPa.+Sedangkan+kekuatan+tarik+terendah%0D%0Aterdapat+pada+material+hasil+pengelasan+160+ampere+dengan+nilai+rata+%E2%80%93+rata%0D%0Akekuatan+tarik+sebesar+573%2C33+MPa.+Hasil+foto+mikro+menunjukan+adanya%0D%0Aperbedaan+antara+logam+dasar+(raw+material)+dengan+logam+hasil+pengelasan%2C%0D%0Apada+logam+hasil+pengelasan+semakin+kecil+dan+halus+struktur+mikronya%0D%0Amenghasilkan+nilai+kekuatan+tarik+yang+semakin+tinggi.%0D%0AKata+kunci%3A+Tungsten+Inert+Gas%2C+Baja+Karbon+Medium%2C+Kuat+Arus%2C+Kekuatan%0D%0ATarik%2C+Struktur+Mikro%0D%0A%0D%0AABSTRACT%0D%0ATungsten+Inert+Gas+welding+(TIG)+is+a+welding+process+of+using+the+noble+gases+as%0D%0Aprotector+to+prevent+the+occurrence+of+oxidation+on+the+welding+material+with%0D%0Aoutside+air.+For+generating+an+electric+arc%2C+by+using+the+electrode+is+not+consumed%0D%0Atungsten+metal+made+or+its+alloys+which+have+a+very+high+melting+point.+Medium%0D%0Acarbon+steel+is+carbon+steel+with+carbon+content+of+0.36%25+and+these+is+a+pretty%0D%0Agood+material+for+use+in+welding+processes.+This+research+aims+to+know+the+results%0D%0Aof+the+tensile+strength+of+welding+Tungsten+Inert+Gas+(TIG)+on+Medium+carbon%0D%0Asteel+by+using+different+current+variations.+The+results+of+testing+that+has+been%0D%0Adone%2C+it+is+known+that+the+highest+tensile+strength+of+material+contained+on+the%0D%0Awelding+results+of+200+ampere+with+value+average+tensile+strength+of+680+MPa.%0D%0AWhile+the+lowest+tensile+strength+of+the+material+contained+on+the+welding+results%0D%0Aof+160+ampere+with+value+average+tensile+strength+of+573%2C33+MPa.+The+results%0D%0Ashowed+the+existence+of+micro-photograph+of+the+differences+between+the+base%0D%0Ametals+(raw+material)+with+weld+metal%2C+the+result+of+welding+metal+is+getting%0D%0Asmaller+and+delicate+of+microstructure+that+produce+the+higher+value+of+the+tensile%0D%0Astrength.%0D%0AKeywords%3A+Tungsten+Inert+Gas%2C+Medium+Carbon+Steel%2C+Current+Strength%2C+Tensile%0D%0AStrength%2C+Microstructure&rft.publisher=FAKULTAS+TEKNIK&rft.date=2016-11-03&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F24654%2F1%2FABSTRAK%2520%2528ABSTRACT%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F24654%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F24654%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++GALIH+PAMUNGKAS+%2C+1015021032++(2016)+PENGARUH+VARIASI+KUAT+ARUS+PENGELASAN+TUNGSTEN+INERT+GAS+(TIG)+TERHADAP+KEKUATAN+TARIK+DAN+STRUKTUR+MIKRO+BAJA+KARBON+MEDIUM.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F24654%2F