?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Pengaruh+Jumlah+Simpul+Terhadap+Kekuatan+Tarik+Komposit+Serat+Ijuk+Bermatriks+Epoxy&rft.creator=DESI+YANTO+UTOMO%2C+0715021037&rft.subject=Teknik+mesin+dan+mesin&rft.description=Abstrak+Bahasa+Indonesia%0D%0A%0D%0A%0D%0APerkembangan+komposit+tidak+hanya+komposit+sintetis+saja+tetapi+juga%0D%0Amengarah+ke+komposit+natural+dikarenakan+keistimewaan+sifatnya+yang+dapat%0D%0Adidaur+ulang+(renewable)+atau+terbarukan%2C+sehingga+mengurangi+konsumsi%0D%0Apetrokimia+maupun+gangguan+lingkungan+hidup.+Komposit+dengan+serat+alam%0D%0Amemiliki+keunggulan+lain+bila+dibandingkan+dengan+komposit+sintetis.%0D%0AKomposit+natural+lebih+ramah+lingkungan+karena+mampu+terdegradasi+secara%0D%0Aalami+dan+harga+serat+alam+pun+lebih+murah+dibandingkan+serat+sintetis.%0D%0AProduksi+serat+alam+dari+tahun+ke+tahun+boleh+dikatakan+tetap%2C+tetapi+persentase%0D%0Aterhadap+seluruh+produksi+serat+tekstil+makin+lama+makin+menurun+mengingat%0D%0Akenaikan+produksi+serat-serat+buatan+yang+makin+tinggi.+Dari+hasil+penelitian%0D%0A(Efri%2C+2013)+tentang+pengaruh+panjang+serat+terhadap+sifat+tarik+dan+fisik%0D%0Akomposit+berpenguat+serat+ijuk+dengan+matrik+epoxy+diperoleh+kekuatan+tarik%0D%0Atertinggi+dengan+panjang+serat+90+mm+sebesar+36%2C37+MPa+dan+regangan+9%2C34%25.%0D%0Ahal+ini+disebabkan+semakin+panjang+serat+di+dalam+matriks%2C+maka+permukaan%0D%0Aserat+yang+menanggung+beban+yang+diberikan+oleh+matriks+menjadi+besar%2C+dan%0D%0Asebaliknya+semakin+pendek+serat+didalam+matriks%2C+maka+serat+menanggung%0D%0Abeban+yang+diberikan+oleh+matriks+menjadi+kecil%2C+maka+peneliti+melakukan%0D%0Apenelitian+pengaruh+serat+simpul+terhadap+kekuatan+uji+tarik+komposit+serat+ijuk%0D%0Amenggunakan+resin+epoxy+yang+diharapkan+lebih+baik%2C+lebih+murah%2C+dan%0D%0Adidapatkan+hasil+kekuatan+tarik+yang+lebih+baik+jika+dibandingkan+dengan%0D%0Akomposit+berpenguat+serat+yang+lain.%0D%0AUntuk+itu+dilakukanlah+serangkaian+pengujian%2C+pada+pengujian+ini%0D%0Amenggunakan+serat+ijuk+bermatriks+epoxy.+Variasi+yang+digunakan+pada%0D%0Apengujian+ini+adalah+jumlah+simpul+antar+spesimen+yaitu+1+simpul%2C+3+simpul%0D%0Adan+5+simpul.+Pada+pengujian+ini+pertama-tama+mempersiapkan+serat+ijuk%0D%0Adengan+diameter+0%2C3+mm%2C+yang+telah+diberi+perlakuan+dan+membuat+simpul%0D%0Apada+serat+ijuk.+Setelah+itu+membuat+cetakan+pada+spesimen+uji%2C+dan+yang%0D%0Aterakhir+dilakukan+pengujian+tarik+dan+pengamatan+SEM.%0D%0ADari+pengujian+tarik+ini%2C+didapat+hasil+kekuatan+tegangan+tarik+terbaik+yaitu%0D%0Apada+spesimen+dengan+serat+5+simpul+sebesar+41%2C17+Mpa+dan+regangan+sebesar%0D%0A4%2C18+%25.+Terjadi+peningkatan+dari+1+simpul+ke+3+simpul+sebesar+10+%25%2C+kemudian%0D%0Adari+3+simpul+ke+5+simpul+sebesar+26+%25.+Hal+ini+dikarenakan+semakin+banyak%0D%0Ajumlah+simpul+semakin+mampu+menahan+tarikan+pada+saat+pengujian+tarik.%0D%0ADari+hasil+pengamatan+SEM+foto+spesimen+serat+5+simpul+menunjukkan%0D%0Agambar+yang+baik.+Hal+ini+ditunjukkan+ikatan+antara+matriks+dan+fiber+sangat%0D%0Abaik+dan+tidak+ditemukannya+void+maupun+debonding.%0D%0AKata+kunci+%3A+serat+ijuk%2C+epoxy%2C+pengujian+tarik%2C+pengamatan+SEM.%0D%0A%0D%0A%0D%0AAbstract+Bahasa+Inggris%0D%0A%0D%0AThe+development+of+composite+does+not+only+lead+to+synthetic+composites%2C+but+also+to%0D%0Anatural+composite+which+can+be+recycled+or+renewable%2C+thereby+reducing+the+consumption%0D%0Aof+petrochemical+and+environmental+damage.+Composites+with+natural+fibers+have+some%0D%0Aadvantages+compared+to+synthetic+ones.+Natural+composite+is+friendlier+to+the%0D%0Aenvironment+because+it+can+naturally+degrade+and+also+the+price+of+natural+fiber+is+cheaper%0D%0Athan+synthetic+fibers.+The+production+of+natural+fibers+from+year+to+year+is+constant%2C+but%0D%0Athe+percentages+to+the+entire+production+of+textile+fibers+decrease+since+the+production+of%0D%0Asynthetic+fibers+are+growing.+The+study+(Efri%2C+2013)+about+the+influence+of+fiber+length+on%0D%0Athe+composite%E2%80%99s+tensile+force+and+physic+using+fibers+with+epoxy+matrix+showed+that+the%0D%0Ahighest+tensile+force+was+the+fiber+with+length+of+90+mm+at+36.37+MPa+and+9.34%25+of+strain%0D%0Abecause+with+longer+fibers+in+the+matrix%2C+the+fiber+surface+that+bear+the+load+from+the%0D%0Amatrix+becomes+larger%2C+and+otherwise%2C+with+shorter+fibers+in+the+matrix%2C+the+fiber+surface%0D%0Athat+bear+the+load+becomes+smaller.+Based+on+this+result%2C+the+researchers+conducted+a%0D%0Astudy+on+the+effect+of+fiber+bond+on+the+tensile+force+of+palm+fiber+composite+using+epoxy%0D%0Amatrix+in+order+to+create+a+better%2C+cheaper%2C+and+stronger+fiber+compared+to+other%0D%0Acomposite.%0D%0AThe+researcher+performed+a+series+of+tests+using+palm+fiber+with+epoxy+matrix.+There+were%0D%0Athree+variations+used%3B+1+bond%2C+3+bond+and+5+bond.+In+this+test%2C+the+researcher+firstly%0D%0Aprepared+fibers+with+a+diameter+of+0.3+mm%2C+which+was+given+a+treatment.+Then%2C+the%0D%0Aresearcher+made+a+mold+for+the+test+specimen+before+finally+conducted+a+tensile+test+and%0D%0ASEM+observation.%0D%0AThe+result+showed+that+the+strongest+force+was+found+on+the+specimen+of+5+bond+fiber+at%0D%0A41.17+MPa+and+4.18%25+of+strain.+There+was+an+increase+from+1+bond+to+3+bond+by+10%25%2C%0D%0Athen+from+3+bond+to+5+bond+by+26%25.+The+bigger+number+of+the+bond+created+the+bigger%0D%0Aforce+of+traction+during+tensile+testing.+From+the+observation+of+SEM%2C+the+picture+of+5%0D%0Abond+fiber+specimen+showed+a+good+image.+It+was+shown+by+the+appearance+of+a+good%0D%0Abond+of+the+matrix+and+fiber%2C+and+the+absence+of+voids+and+debonding.%0D%0AKeywords%3A+palm+fiber%2C+epoxy%2C+tensile+test%2C+SEM+observation.&rft.publisher=FAKULTAS+TEKNIK&rft.date=2015-03-03&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8099%2F1%2FABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8099%2F2%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8099%2F117%2FCOVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8099%2F4%2FLEMBAR%2520PERSETUJUAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8099%2F5%2FLEMBAR%2520PENGESAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8099%2F6%2FLEMBAR%2520PERNYATAAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8099%2F7%2FRIWAYAT%2520HIDUP.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8099%2F8%2FPERSEMBAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8099%2F9%2FMOTO.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8099%2F10%2FSANWACANA.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8099%2F11%2FDAFTAR%2520ISI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8099%2F12%2FDAFTAR%2520TABEL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8099%2F14%2FDAFTAR%2520GAMBAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8099%2F15%2FBAB%2520I.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8099%2F16%2FBAB%2520II.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8099%2F17%2FBAB%2520III.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8099%2F18%2FBAB%2520IV.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8099%2F19%2FBAB%2520V.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F8099%2F111%2FDAFTAR%2520PUSTAKA.pdf&rft.identifier=++DESI+YANTO+UTOMO%2C+0715021037++(2015)+Pengaruh+Jumlah+Simpul+Terhadap+Kekuatan+Tarik+Komposit+Serat+Ijuk+Bermatriks+Epoxy.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F8099%2F