?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Evaluasi+Sifat+Fatik+Siklus+Rendah+(Low+Cycle+Fatigue)%0D%0AAluminium+6061%E2%80%93T6+Pada+Temperatur+100%C2%B0C%2C+200%C2%B0C+dan%0D%0A%0D%0A300%C2%B0C&rft.creator=FADDEL+RAKA+PRATAMA%2C+1415021042&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Paduan+aluminium+6061-T6+banyak+diaplikasikan+pada+komponen+otomotif+dan%0D%0Apesawat+terbang%2C+yang+umumnya+selama+bahan+diaplikasikan+sering+mengalami%0D%0Adeformasi+plastis+dan+bahan+mengalami+kegagalan+fatik+dalam+beberapa+siklus%0D%0Apembebanan.+Pengujian+tarik+(ASTM+E8)+fatik+siklus+rendah+(ASTM+E606)+pada%0D%0Akondisi+temperatur+ruang+dan+pada+kondisi+temperatur+100%C2%B0C%2C+200%C2%B0C+dan+300%C2%B0C%0D%0Adengan+amplitudo+0.004mm%2Fmm-0.006mm%2Fmm+dan+laju+regangan+konstan+0.005%2Fs%0D%0Adilakukan.+Data+hasil+pengujian+tarik+dan+fatik+pada+setiap+kondisi+temperatur%0D%0Aberbeda+diperoleh+dan+dibandingkan+untuk+mengamati+respon+ketergantungan+sifat%0D%0Amekanik+dan+fatik+terhadap+temperatur.+Data-data+hasil+pengujian+fatik+dievaluasi%0D%0Amenggunakan+pendekatan+Coffin-Manson-Basquin%2C+yang+dapat+digunakan+untuk%0D%0Amemprediksi+umur+fatik+paduan+dalam+kondisi+pembebanan+elastis+(metode%0D%0ABasquin)+dan+plastis+(metode+Coffin-Mason)+dalm+kondisi+temperatur+yang%0D%0Abervariasi.+Perilaku+pelunakan+dan+pengerasan+regangan+yang+dialami+bahan%0D%0Adipelajari+melalui+kurva+tegangan-jumlah+siklus+pada+amplitudo+regangan+yang%0D%0Adiamati.+Pengamatan+mikrostruktur+melalui+mikroskop+optik+menunjukkan+bahwa%0D%0Aperilaku+paduan+dapat+dikaitkan+dengan+penuaan+regangan+dinamik+(dynamic+strain%0D%0Aaging%2FDSA)+yang+diperngaruhi+langsung+oleh+amplitudo+dan+temperatur+pengujian.%0D%0AKata+kunci%3A+Al+6061-T6%2C+fatik+siklus+rendah%2C+Coffin-Manson-Baquin%2C+pelunakan%0D%0Adan+pengerasan%2C+penuaan+regangan+dinamik%0D%0AAn+aluminum+6061-T6+alloy+is+widely+applied+for+an+automotive+and+aircraft%0D%0Acomponents%2C+where+the+components+of+material+generally+suffers+high+loading%0D%0Acycles+and+leads+to+fatigue+failure+in+few+cycles.+Tension+tests+according+ASTM+E8%0D%0Awere+performed+under+displacement+control+at+speed+rate+of+0.2+mm%2Fmm+and+low%0D%0Acycle+fatigue+tests+according+to+ASTM+E606+were+performed+under+strain+control%0D%0Awith+various+strain+amplitude+of+0.004-0.006+mm%2Fmm+at+a+constant+strain+rate+of%0D%0A0.005%2Fs.+Both+testing+were+conditioned+in+room+temperature+and+various%0D%0Atemperature+of+100%C2%B0C%2C+200%C2%B0C+and+300%C2%B0C.+Data+from+tensile+and+fatigue+test+results%0D%0Aat+each+different+temperature+are+obtained+and+compared+to+investigate+the+alloy%E2%80%99s%0D%0Aresponse+to+the+deterioration+of+mechanical+properties+and+fatigue+properties+with%0D%0A%0D%0Athe+temperatures.+The+fatigue+test+data+were+evaluated+using+the+Coffin-Manson-%0D%0ABasquin+approach+for+predicting+the+fatigue+life+of+alloy+under+the+elastic+loading%0D%0A%0D%0Aregion+(Basquin+method)+and+the+plastic+loading+region+(Coffin-Manson+method)+in%0D%0Avarying+temperatures.+Cyclic+softening+and+hardening+behavior+occurred+by+the%0D%0Aalloy+were+studied+through+a+stress+response+with+a+number+of+cycles+on+the+strain%0D%0Aamplitude+observed.+Microstructures+observation+by+optical+microscope+shows+that%0D%0Athe+behavior+of+alloys+can+be+attributed+to+dynamic+strain+aging+(DSA)+effect%2C%0D%0Awhich+is+directly+affected+by+strain+amplitude+and+testing+temperature.%0D%0A%0D%0A.%0D%0AKeywords%3A+Al+6061-T6%2C+Low+cycle+fatigue+properties%2C+Coffin-Manson-Basquin%2C%0D%0AStrain+hardening%2C+Dynamic+strain+aging.&rft.publisher=FAKULTAS+TEKNIK&rft.date=2019&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57223%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57223%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57223%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++FADDEL+RAKA+PRATAMA%2C+1415021042++(2019)+Evaluasi+Sifat+Fatik+Siklus+Rendah+(Low+Cycle+Fatigue)+Aluminium+6061%E2%80%93T6+Pada+Temperatur+100%C2%B0C%2C+200%C2%B0C+dan+300%C2%B0C.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F57223%2F