?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=KETAHANAN+PANAS+KOMPOSIT+MATRIK+PHENOLIC+BERPENGUAT%0D%0AABU+TERBANG+&rft.creator=+MUHAMMAD+IRVAN+%2C+(0915021039)&rft.subject=Teknik+mesin+dan+mesin&rft.description=ABSTRAK%0D%0AFly+ash+adalah+limbah+yang+dihasilkan+pada+proses+pembakaran+batubara%2C+jumlah%0D%0Atersebut+cukup+besar+sehingga+memerlukan+pengelolaan+agar+tidak+menimbulkan%0D%0Amasalah+lingkungan.+Sistem+pengereman+pada+kereta+api+memerlukan+bahan%0D%0Akampas+rem+yang+dapat+dibuat+dengan+menggunakan+komposit%2C+limbah+fly+ash%0D%0Asebagai+penguat+komposit+tersebut.+Temperatur+operasional+kampas+rem+yaitu%0D%0Asampai+350%C2%B0C%2C+sehingga+penelitian+ketahanan+panas+kampas+rem+diperlukan.%0D%0ATujuan+dari+penelitian+ini+adalah+untuk+mengetahui+nilai+ketahanan+panas%0D%0Akomposit+berpenguat+abu+terbang+batubara+bermatrik+phenolic.%0D%0AKomposit+yang+digunakan+adalah+jenis+komposit+partikel+dengan+perbandingan%0D%0Aphenolic+resin+50%25%2C+60%25%2C+70%25%2C+80%25+sebagai+matrik%2C+BaSO%0D%0A10%25+sebagai+bahan%0D%0Apengisi+%0D%0A4%0D%0Adan+fly+ash%0D%0Aselama+10+menit+sehingga+mendapatkan+campuran+yang+homogen%2C+kemudian%0D%0Amemanaskan+komposit+dengan+temperatur+250%0D%0A%C2%B0%0D%0AC+dan+ditekan+dengan+tekanan+5%0D%0Aton+selama+20+menit.+Setelah+proses+penekanan+selesai+selanjutnya+adalah+proses%0D%0Acuring.+Pada+proses+curing+spesimen+komposit+dipanaskan+dengan+menggunakan%0D%0Afurnace+selama+4+jam+dengan+temperatur+150%0D%0A%C2%B0%0D%0AC.+Pada+penelitian+ini+spesimen%0D%0Adibentuk+menjadi+serbuk.+Pengujian+thermogravimetric+dapat+dilakukan.%0D%0AKomposit+fly+ash+40%25%2FPhenolic+memiliki+ketahanan+panas+tertinggi+dan+komposit%0D%0Afly+ash+10%25%2FPhenolic+memiliki+ketahanan+panas+terendah.+Pengurangan+awal%0D%0Aantara+temperatur+100-150%C2%B0C+yaitu+pengurangan+uap+air%2C+tahap+berikutnya+pada%0D%0Arentang+temperatur+150-350%C2%B0C+adalah+pengurangan+berat+resin+phenolic+didalam%0D%0Asampel+karena+titik+dekomposisi+resin+tersebut+berkisar+antara+240-280%C2%B0C.+Tahap%0D%0Aterakhir+yaitu+antara+temperatur+350-1000%C2%B0C+dimana+terjadi+pengurangan+resin%0D%0Afenol+yang+belum+terdekomposisi+karena+pada+suhu+diatas+300%C2%B0C+resin+fenol%0D%0Akembali+akan+terbakar+tanpa+melalui+proses+pelelehan.+Kandungan+bahan+BaSO%0D%0Atidak+mengalami+pengurangan+berat+karena+BaSO%0D%0Amemiliki+titik+dekomposisi%0D%0Asebesar+1580%C2%B0C.+Fly+ash+sebagai+penguat+komposit+belum+mengalami%0D%0Apengurangan+berat+karena+temperatur+cair+umumnya+pada+900-1600%C2%B0C.%0D%0AKesimpulan+yang+didapat+pada+penelitian+ini+yaitu+semakin+banyak+fly+ash%0D%0Adidalam+komposit+semakin+tinggi+pula+temperatur+ketahanan+panas+komposit+fly%0D%0Aash%2Fphenolic.%0D%0A4%0D%0AKata+Kunci+%3A+Komposit%2C+Fly+ash%2FPhenolic%2CKampas+rem%2C+Ketahanan+panas.%0D%0A4%0D%0A4%0D%0AABSTRACT%0D%0AFly+ash+is+the+waste+produced+at+coal+combustion+process%2C+the+amount+is+large%0D%0Aenough+to+require+management+that+does+not+cause+environmental+problems.%0D%0ABraking+systems+on+trains+require+a+brake+canvas+material+that+can+be+made+using%0D%0Acomposites%2C+waste+fly+ash+as+reinforcement+composite.+Operating+temperature+of%0D%0Athe+brake+canvas+that+is+up+to+350%C2%B0C%2C+so+the+research+for+heat+resistance+of+brake%0D%0Acanvas+is+required.+The+purpose+of+this+research+was+to+determine+the+heat%0D%0Aresistance+of+phenolic+matrix+composite+with+fly+ash+coal+as+amplifier.%0D%0AComposites+that+are+used+is+particle+type+of+composite+with+ratio+of+phenolic+resin%0D%0Aof+50%25%2C+60%25%2C+70%25%2C+80%25+as+a+matrix%2C+BaSO%0D%0A10%25+as+a+filler%2C+fly+ash+40%25%2C+30%25%2C%0D%0A20%25%2C+10%25+as+an+amplifier.+Research+method+conducted+by+mixing+the%0D%0Acomposition+%0D%0A4%0D%0A4%0D%0Aand+fly+ash+for+10+minutes+to+obtain+a%0D%0Ahomogeneous+mixture%2C+then+heat+up+the+composite+totemperature+of+250%C2%B0C+and%0D%0Apressed+with+pressure+of+5+tons+for+20+minutes.+Once+the+suppression+process+is%0D%0Acomplete%2C+continued+with+the+curing+process.+In+the+curing+process%2C+composite%0D%0Aspecimen+is+heated+using+the+furnace+for+4+hours+at+temperature+of+150%C2%B0C.+In+this%0D%0Aresearch+the+specimen+was+formed+into+powder.+Thermogravimetric+testing+can+be%0D%0Adone.%0D%0AComposite+of+40%25+fly+ash%2FPhenolic+has+the+highest+heat+resistance+and+composite%0D%0Aof+10%25+fly+ash%2FPhenolic+has+low+heat+resistance.+The+early+reduction+between%0D%0Atemperature+of+100-150%C2%B0C+is+the+reduction+of+water+vapor%2C+the+next+phase+in+the%0D%0Atemperature+range+150-350%C2%B0C+is+the+weight+reduction+of+the+phenolic+resin+in+the%0D%0Asample+because+the+resin+decomposition+point+range+between+240-280%C2%B0C.+Last%0D%0Aphase+is+the+temperature+of+350-1000%C2%B0C+where+there+is+a+reduction+in+phenolic%0D%0Aresin+that+has+not+decomposed+due+to+temperatures+above+300%C2%B0C+phenol+resin+will%0D%0Aburn+back+without+going+through+the+melting+process.+BaSO%0D%0Aingredients+do+not%0D%0Aexperience+weight+loss+because+BaSO%0D%0A4%0D%0A4%0D%0Ahas+a+decomposi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