?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+FRAKSI+VOLUME+SERAT+BAMBU%0D%0ATERHADAP+KEMAMPUAN+PEREDAM+AKUSTIK+PADA%0D%0AKOMPOSIT+UNIDIRECTIONAL+SERAT%2FPOLYESTER&rft.creator=RESTU+ANIDIA+MUSTIKA+DEWI%2C+1415021069&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Kebisingan+merupakan+salah+satu+bentuk+pencemaran+suara.+Penelitian+pengaruh%0D%0Afraksi+volume+serat+bambu+terhadap+kemampuan+peredam+akustik+pada+komposit%0D%0Aunidirectional+serat%2Fpolyester+yang+bertujuan+untuk+menganalisa+dan+memahami%0D%0Apengaruh+fraksi+volume+serat+pada+komposit+unidireksional+serat+bambu%2Fpoliester%0D%0Aterhadap+kemampuan+redam+akustik.+Serat+bambu+dicetak+dengan+poliester+dengan+fraksi+berurut+5%25%2C10%25+dan+15%25%0D%0Adengan+arah+0o+terhadap+arah+datangnya+suara+dengan+diameter+30+mm+dan+tinggi%0D%0A15+mm.+Pengujian+dilakukan+dengan+menggunakan+tabung+impedansi+ISO%0D%0A10534%3A2+dengan+rentang+frekuensi+adalah+1000+Hz+sampai+6300+Hz.+Pada+frekuensi+6300+Hz+rasio+redaman+meningkat+seiring+dengan+kenaikan+fraksi%0D%0Aserat.+Rasio+absorbs+terbaik+adalah+0.41+pada+spesimen+uji+fraksi+volume+serat%0D%0A15%25.+Hasil+gambar+Scanning+Electron+Microscope+menunjukkan+bahwa+ikatan%0D%0Aantara+serat+dengan+matik+belum+optimal.%0D%0A%0D%0AKata+kunci+%3A+Komposit%2C+Serat+bambu%2C+Tabung+impedansi%2C+Koefisien+redam+akustik%2C%0D%0APoliester.%0D%0AThe+sample+of+noise+pollution+is+the+noise+in+the+school+area.+This+study%0D%0Ainvestigated+the+effect+of+bamboo+fiber+volume+fraction+to+the+sound+absorption%0D%0Aratio+of+fiber+or+polyester+composite.+Representatively%2C+the+bamboo+fiber+was%0D%0Afabricated+with+the+fiber+percentage+of+5%25%2C+10%25%2C+15%25.+Fiber+direction+was+0o+to%0D%0Athe+sound+direction.+Samples+were+30+mm+in+diameter+and+15+mm+in+height.%0D%0ATesting+process+used+impedance+tube+ISO+10534%3A2+in+frequency+of+1000+Hz+to%0D%0A6300+Hz.+Absorption+ratio+at+6300+Hz+frequency+was+increased+with+the+fiber%0D%0Avolume+fraction.+The+best+result+of+absorption+ratio+was+occurred+0.41+at+15%25%0D%0Afiber+volume+fraction.+Result+of+Scanning+Electron+Microscope+showed+that+the%0D%0Abounding+between+fiber+and+matrix+was+not+optimal.%0D%0A%0D%0AKey+words%3A&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%2F57062%2F1%2F.ABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57062%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57062%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++RESTU+ANIDIA+MUSTIKA+DEWI%2C+1415021069++(2019)+PENGARUH+FRAKSI+VOLUME+SERAT+BAMBU+TERHADAP+KEMAMPUAN+PEREDAM+AKUSTIK+PADA+KOMPOSIT+UNIDIRECTIONAL+SERAT%2FPOLYESTER.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F57062%2F