?url_ver=Z39.88-2004&rft_id=1415021044&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+BENTUK+PIN+INDENTOR+LAS+GESEK+PUNTIR%0D%0A(FRICTION+STIR+WELDING)+TERHADAP+KUALITAS+HASIL%0D%0APENGELASAN+MAGNESIUM+AZ31&rft.creator=+FAUZI+IBRAHIM%2C++1415021044&rft.subject=Mesin+(General).+Mesin+Sipil+(General)&rft.description=Magnesium+merupakan+salah+satu+jenis+material+yang+bisa+digunakan+sebagai%0D%0Alogam+dasar+dalam+pengelasan%2Ckarena+pada+dasarnya+magnesium+memiliki+sifat%0D%0Ayang+diunggulkan%2C+diantaranya+memiliki+kepadatan+rendah%2C+keuletan+yang+baik%2C%0D%0Akekuatan+menengah+serta+ketahanan+korosi+yang+baik%2C+karena+sifat+%E2%80%93+sifat+ini+maka%0D%0Alogam+tersebut+penggunaan+nya+sangat+luas%2C+mulai+dari+barang+%E2%80%93+barang+keperluan%0D%0Arumah+tangga+sampai+komponen+pesawat+terbang.+Apabila+dilihat+dari+berat+jenis%0D%0Amagnesium%2C+logam+dasar+ini+termasuk+golongan+yang+ringan+yaitu+1%2C74+g+%2F+cm3%0D%0Adan+1%2C83+g+%2F+cm3.%0D%0APengelasan+merupakan+proses+penggabungan+dua+atau+lebih+logam+dasar+yang%0D%0Adisatukan+di+permukaan+kontaknya+dengan+atau+tanpa+zat+penambah+maupun%0D%0Apengisi.Pengelasan+terbagi+menjadi+dua+kategori+utama+yaitu+Liquid-State%0D%0AWeldingdan+Solid-State+Welding.+Friction+Stir+Weldingmerupakan+salah+satu%0D%0Acontoh+pengelasan+Solid-State+Welding+(Non-Fusion+Welding).%0D%0AFriction+Stir+Welding+(FSW)+atau+Las+Gesek+Puntir+adalah+proses+pengelasan%0D%0Agesek+yang+memuntir+tool+dengan+memanfaatkan+energi+panas+dan+penekanan%0D%0Atanpa+zat+penambah+maupun+pengisi+hingga+terjadi+perubahan+fasa+pada+logam%0D%0Adasar.+Parameter+proses+pengelasan+yang+dilakukan+pada+penelitian+ini+adalah%0D%0Abentuk+pin+indentor+yaitu%2C+cone+shape+dan+spiral+shape+dengan+putaran+tool+2000%0D%0Arpm+dan+kecepatan+pengelasan+16+mm%2Fmenit.+Adapun+pengujian+yang+dilakukan%0D%0Ayaitu%2C+pengujian+tarik+dan+pengujian+kekerasan.%0D%0AHasil+dari+penelitian+ini+adalah+ditemukan+bahwan+bentuk+pin+indentor%2C+putaran%0D%0Atool+dan+kecepatan+pengelasan+sangat+mempengaruhi+sifat+%E2%80%93+sifat+mekanik%0D%0Amagnesium+AZ31+yang+telas+dilas.+Bentuk+pin+indentor+spiral+shape+akan%0D%0Ameningkatkan+luas+adukan+sedangkan+bentuk+pin+cone+shape+luas+adukan+kecil%0D%0Anamun+tampilan+las+lebih+sempurna+dengan+kekuatan+tarik+yang+baik%2C+sedangkan%0D%0Anilai+kekerasan+kedua+bentuk+pin+indentor+hampir+mendekati+sama%2C+hanya+spiral%0D%0Ashape+lebih+unggul.%0D%0AKeywords%3A+magnesium+AZ31%2C+pengelasan%2C+friction+stir+welding%0D%0A%0D%0A%0D%0AABSTRACT%0D%0A%0D%0AMagnesium+is+one+of+type+materials+it+can+be+used+as+base+metal+in+welding%2C%0D%0Abasically+because+of+magnesium+has+the+superior+characteristics%2C+among+of+them%0D%0Ahas+the+low+density%2C+the+good+perseverance%2C+the+middle+strength+along+with+the%0D%0Agood+endurance+corrosion%2C+because+all+of+characteristics+it+is+used+then+very+broad%0D%0Aof+metal%2C+commence+from+necessity+items+of+household+till+aircraft+components.%0D%0AImage+of+magnesium%2C+this+metal+belongs+to+the+lightweight+groups+they+are+1.74+g%0D%0A%2F+cm3+and+1.83+g+%2F+cm3.%0D%0AWelding+is+the+process+of+combining+two+or+more+base+metals+together+on+the%0D%0Acontact+surface+with+or+without+additives+and+fillers.+Welding+divided+into+two%0D%0Amain+categories+namely+Liquid-State+Welding+and+Solid-State+Welding.+Friction%0D%0AStir+Welding+is+one+of+example+in+welding+Solid-State+Welding+(Non-Fusion%0D%0AWelding).%0D%0AFriction+Stir+Welding+(FSW)+or+Las+Gesek+Puntir+is+a+welding+rotating+process%0D%0Athat+twists+the+tool+by+using+heat+and+vigor+energy+without+additives+until+take+a%0D%0Achange+delivery+to+the+end+of+the+base+metal.+Parameter+of+welding+process+done%0D%0Ain+this+research+that+is+a+form+of+Indentor+pin+they+are%2C+cone+shape+and+spiral+shape%0D%0Awith+tool+of+rotations+2000+rpm+and+welding+speed+16+mm+%2F+minutes.+Tests%0D%0Aconducted+are%2C+tensile+and+violent+testing.%0D%0AThe+results+of+this+research+were+found+in+the+form+of+Indentor+pins%2C+turning+tools%0D%0Aand+welding+speed+greatly+affect+the+mechanical+characteristics+of+magnesium%0D%0AAZ31+that+were+welded.+The+Indentor+pin+shape+of+spiral+shape+will+increased+an%0D%0Aarea+of+the+mortar+while+the+form+of+pin+cone+shape+is+small+but+the+weld+look+is%0D%0Amore+perfect+with+a+good+tensile+strength%2C+whereas+the+percentage+of+both+forms%0D%0Athe+Indentor+pin+is+almost+the+same+face%2C+only+the+spiral+shape+is+superior.%0D%0AKeywords%3A+magnesiumAZ31%2C+welding%2C+friction+welding&rft.publisher=FAKULTAS+TEKNIK+&rft.date=2018-07-30&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F32813%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F32813%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F32813%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=+++FAUZI+IBRAHIM%2C+1415021044++(2018)+PENGARUH+BENTUK+PIN+INDENTOR+LAS+GESEK+PUNTIR+(FRICTION+STIR+WELDING)+TERHADAP+KUALITAS+HASIL+PENGELASAN+MAGNESIUM+AZ31.++FAKULTAS+TEKNIK+%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F32813%2F