?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+BARIUM+SULFAT+(BASO4)+TERHADAP+KETAHANAN%0D%0A%0D%0AAUS+KOMPOSIT+ABU+TERBANG+BATUBARA%0D%0A%0D%0A(FLY+ASH)+%2F+PHENOLIC&rft.creator=TETEN+BELIANTARA%2C+1515021043&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Barium+sulfat+(BaSO4)+adalah+bahan+pengisi+(filler)+yang+mempunyai+densitas%0D%0Atinggi%2C+mampu+meningkatkan+kerapatan+massa+serta+ketahanan+pada+temperatur%0D%0Atinggi+dan+juga+dapat+mengurangi+tingkat+keausan.+Tujuan+penelitian+ini+mengetahui%0D%0Apengaruh+barium+sulfat+terhadap+ketahanan+aus+komposit+fly+ash+%2F+phenolic+dan%0D%0Amengetahui+morfologi+dan+mekanisme+kegagalan+yang+terjadi+pada+komposit%0D%0Adengan+foto+SEM.%0D%0AKomposit+yang+digunakan+adalah+jenis+partikel+dengan+perbandingan+phenolic+resin%0D%0A65%25+60%25+55%25+sebagai+matriks+fly+ash+25%25+sebagai+penguat+dan+BaSO4+5%25+10%25%0D%0A15%25+sebagai+bahan+pengisi+Pembuatan+spesimen+dilakukan+dengan+mencampur%0D%0Abahan+komposit+selama+20+menit+lalu+mencetak+sambil+dipanaskan+pada+temperatur%0D%0A250oC+selama+40+menit%2C+selanjutnya+dipanaskan+menggunakan+furnace+selama+4%0D%0Ajam+dengan+temperatur+150oC.+Pengujian+spesimen+menggunakan+pengujian%0D%0Aketahanan+aus+ASTM+G99+dan+pengamatan+patahan+dengan+foto+SEM+(scanning%0D%0Aelectron+microscope)%0D%0AHasil+pengujian+ketahanan+aus+variasi+barium+sulfat+(BaSO4)+sebesar+5%25%0D%0Amendapatkan+hasil+rata-rata+spesifik+abrasi+sebesar+14.6216+x+10-6+mm3%2Fmm%2C+10%25%0D%0Abarium+sulfat+12.2935+x+10-6mm3%2Fmm%2C+15%25+barium+sulfat+8.03973+x+10-6+mm3%2Fmm.%0D%0AKandungan+15%25+barium+sulfat+merupakan+komposisi+paling+optimal+karena+nilai%0D%0Aspesifik+abrasi+paling+rendah+dan+pendistribusian+partikel+merata+sehingga+mampu%0D%0Amenahan+laju+keausan+dengan+baik.+Pengamatan+foto+SEM+spesimen+dengan+nilai%0D%0Akeausan+tertinggi+pada+variasi+barium+sulfat+5%25+karena+persentase+barium+sulfat%0D%0Asebagai+pengisi+yang+sedikit+sehingga+phenolic+dan+fly+ash+tidak+mengikat+dengan%0D%0Asempurna+ketika+komposit+mengalami+beban+gesekan+partikel+dari+komposit+lebih%0D%0Amudah+terlepas.+Pengamatan+foto+SEM+spesimen+dengan+nilai+keausan+terendah%0D%0Apada+kandungan+15%25+barium+sulfat%2C+dengan+ini+menunjukan+bahwa+variasi%0D%0Akomposisi+dari+barium+sulfat+dapat+mempengaruhi+serta+mengurangi+nilai+spesifik%0D%0Aabrasinya+sehingga+ketahanan+ausnya+menjadi+lebih+meningkat.%0D%0AKata+Kunci+%3A+Komposit+Partikel%2C+Phenolic%2C+Barium+Sulfat+(BaSO4)%2C+Abu%0D%0Aterbang%2C+spesifik+abrasi%2C+Kampas+Rem%0D%0ABarium+sulfate+(BaSO4)+is+a+filler+that+has+a+high+density%2C+is+able+to+increase+mass%0D%0Adensity+and+resistance+at+high+temperatures+and+can+also+reduce+wear+rates.+The%0D%0Apurpose+of+this+study+was+to+determine+the+effect+of+barium+sulfate+on+the+wear%0D%0Aresistance+of+fly+ash%2Fphenolic+composites+and+to+determine+the+morphology+and%0D%0Afailure+mechanism+of+composites+using+SEM+photos.%0D%0AThe+composite+used+is+a+type+of+particle+with+a+ratio+of+65%25+60%25+55%25+phenolic%0D%0Aresin+as+a+25%25+fly+ash+matrix+as+a+reinforcement+and+BaSO4+5%25+10%25+15%25+as+a%0D%0Afiller.+temperature+of+250oC+for+40+minutes%2C+then+heated+using+a+furnace+for+4+hours%0D%0Aat+a+temperature+of+150oC.+Testing+the+specimen+using+the+ASTM+G99+wear%0D%0Aresistance+test+and+observing+the+fracture+with+SEM+(scanning+electron+microscope)%0D%0Aphotos.%0D%0AThe+results+of+the+wear+resistance+test+for+variations+in+barium+sulfate+(BaSO4)+of%0D%0A5%25+get+an+average+specific+abrasion+result+of+14.6216+x+10-6+mm3%2Fmm%2C+10+%25%0D%0Abarium+sulfate+12.2935+x+10-6mm3%2Fmm%2C+15%25+barium+sulfate+803973+x+10-6%0D%0Amm3%2Fmm.+The+content+of+15%25+barium+sulfate+is+the+most+optimal+composition%0D%0Abecause+of+the+lowest+specific+value+of+abrasion+and+even+distribution+of+particles%0D%0Aso+that+it+can+withstand+the+wear+rate+well.+Observation+of+SEM+photos+of+specimens%0D%0Awith+the+highest+wear+value+at+5%25+barium+sulfate+variation+because+the+percentage%0D%0Aof+barium+sulfate+as+filler+is+small+so+that+phenolic+and+fly+ash+do+not+bind+perfectly%0D%0Awhen+the+composite+is+subjected+to+frictional+loads%2C+particles+from+the+composite%0D%0Aare+more+easily+separated.+Observation+of+the+SEM+photo+of+the+specimen+with+the%0D%0Alowest+wear+value+at+15%25+barium+sulfate+content%2C+hereby+shows+that+variations+in%0D%0Athe+composition+of+barium+sulfate+can+affect+and+reduce+the+specific+value+of%0D%0Aabrasion+so+that+the+wear+resistance+is+increased.%0D%0AKeywords%3A+Particle+Composite%2C+Phenolic%2C+Barium+Sulfate+(BaSO4)%2C+Flyash%2C%0D%0AAbrasion+specifications%2C+Brake+Pads&rft.publisher=FAKULTAS+TEKNIK&rft.date=2021&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F62109%2F1%2F1.%2520ABSTRAK%2520-%2520ABSTRACT%2520-%2520Kak%2520Dan%2520%25286%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F62109%2F2%2F2.%2520SKRIPSI%2520FULL%2520-%2520Kak%2520Dan%2520%25288%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F62109%2F3%2F3.%2520SKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN%2520-%2520Kak%2520Dan%2520%25287%2529.pdf&rft.identifier=++TETEN+BELIANTARA%2C+1515021043++(2021)+PENGARUH+BARIUM+SULFAT+(BASO4)+TERHADAP+KETAHANAN+AUS+KOMPOSIT+ABU+TERBANG+BATUBARA+(FLY+ASH)+%2F+PHENOLIC.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F62109%2F