Master Theses
Master Theses
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Pemanfaatan Limbah Padat Pulp Dregs Sebagai Pengisi Batako Dengan Perekat Tepung Tapioka
(Universitas Sumatera Utara, 2009)Batako and it’s characteristics had been investigate with the used of pulp solid waste dregs as filler and tapioca as adhesiveness. This research has been done by mixing method by using mixer. The aim is to have dregs as ... -
Analisis Proses Paduan Transformasi Bainitik Baja Mangan
(Universitas Sumatera Utara, 2008)The mechanical properties of austenit manganese steel is various according to a certain amount of carbon and manganese in solid solution. When amount of carbon added continuosly in solid solution will decrease the hardness ... -
Analisis Simulasi Fraksi Baja Mangan (Fe Mn) pada Kondisi Pendinginan Udara (Air Cooling)
(Universitas Sumatera Utara, 2007)Either bainitic phase or pearlitic phase which formed in heattreatment of Hadfield mangan steel in temperature of 450, 500,550 either 600 °C with holding time 30 minute and 60 minute can be plot by simulation program of ... -
Pengaruh Aditif Mgo/Cao dan Suhu Sintering terhadap Mikrostruktur dan Karakteristik Keramik PSZ
(Universitas Sumatera Utara, 2005)Partially Stabilized Zirconia (PSZ) is a toughness ceramic, and they can be used for cutting tool equipment and bio ceramic. The partially stabilized Zirconia was be made by using additive 12 % MgO and 8,64 % CaO. Powder ... -
Studi Pengaruh Sifat Fisika Komposisi Campuran Biodiesel Sawit dengan Solar terhadap Unjuk Kerja Mesin
(Universitas Sumatera Utara, 2007)Biodiesel is a source of fuel alterative energy derived from vegetable oil that is from crude palm oil / renewable and environmental savety.. Processing of biodiesel from crude palm oil perform through transesterification ... -
Studi Pengaruh Pencampuran Biodesel Jarak Pagar dengan Solar terhadap Perubahan Karakteristik Fisikanya
(Universitas Sumatera Utara, 2007)Biodiesel adalah suatu sumber energi alternatif bahan bakar yang didapat dari minyak nabati setelah melalui proses esterifikasi - transesterifikasi. Biodiesel yang diteliti berasal dari tumbuhan jarak pagar (Jatropa curcas). ... -
Pembuatan Keramik Berpori dari Limbah Padat Pulp dengan Aditif Kaolin Sebagai Filter Gas Buang
(Universitas Sumatera Utara, 2009)Nowadays the negative effect of the air pollution by exhaust gas take at high level seriously. This case can be disturb mankind healthy. This research want to find an altenative way to solve this problem. Porous ceramic ... -
Analisis Pengaruh Temperatur Reaksi dan Konsentrasi Katalis Koh dalam Media Etanol terhadap Perubahan Karakteristik Fisika Biodiesel Minyak Kelapa
(Universitas Sumatera Utara, 2009)Telah dilakukan transesterifikasi minyak kelapa dalam media etanol dengan katalis KOH pada temperatur reaksi dan konsentrasi katalis yang berbeda-beda. Variasi temperatur reaksi (T1: 30 0C, T : 50 0C, dan T3 : 70 0C ) dan ... -
Pembuatan Paving Block berbasis Semen Polimer dengan Limbah Padat Grit sebagai Substitusi Pasir dan Perekat Polivinyl Alkohol (PVA)
(Universitas Sumatera Utara, 2009)Paving block in this research is the mixing of sand material, grits, cement, Polivinyl Alcohol (PVA) and water. Variable this paving block is the composition of grit with sand 0 : 100; 10 : 90; 20 : 80; 30 : 70; 40 : 60; ... -
Komposit Polietilena dengan Serbuk Sekam Padi sebagai Alternatif Bahan Jerigen Plastik
(Universitas Sumatera Utara, 2008)A research has done its to make Serbuk Sekam Padi (SSP) to be strong matrix polietilena composit. Product polietilena composit by filled Serbuk Sekam Padi (SSP) with Polietilena (PE) by composition 10%, 20%, 30%, 40% and ... -
Pembuatan Keramik Berpori Sebagai Filter Gas Buang Dengan Aditif Karbon Aktif
(Universitas Sumatera Utara, 2008)A research has done its about to fabricatied the porous ceramics aplicated as exaust gas filter with active carbon as aditif and furnace at 1100º C. The values shown there,s a significant corresponding between active carbon ... -
Pemanfaatan Limbah Padat Pulp untuk Pembuatan Keramik Berpori dengan Aditif Clay sebagai Filter Gas Buang
(Universitas Sumatera Utara, 2009)According to widely effect of the air pollution by exhaust gas and waste usage as a expedient to decrease pollution that this research is done. Porous ceramic by main materials of pulp solid waste as grit, dreg, and biosludge ... -
Pembuatan Beton Semen Polimer Berbasis Sampah Rumah Tangga dan Karakterisasinya
(Universitas Sumatera Utara, 2009)The making of structural light weight concrete of structural material has been done based on: garbage (organic municipal waste), sand, cement, and latex resin. The variation compositions of garbage were: 0, 25, 50, 75, and ... -
Perbandingan Fraksi Baja Mangan dengan Beberapa Counting Methods
(Universitas Sumatera Utara, 2008)Hadfield steel was subjected to solution treatment by heating at temperature of 1000-1200 oC and then water quenched. The investigation for the development of microstructure in a re-heattreatment by heating at temperature ... -
Pengaruh Ukuran Butiran dan Suhu Sintering terhadap Konduktivitas Listrik dan Mirostruktur Keramik Yitria Stabilized Zirkonia sebagai Elektrolit Padat Fuel Cel
(Universitas Sumatera Utara, 2005)One of fuel cell components are solid electrolyte, it has a stable crystal structure and is as conductor material. To obtain those properties, stabilized Zirconia (ZrO2) is be made by using additive of 11 % mole Y2O3. ... -
Studi Analisa Simulasi tentang Korelasi Impregnasi Silika (SiO2) terhadap Nilai Kalor Bakar dan Kuat Tekan serta Karakteristik Briket Arang Tempurung Kelapa
(Universitas Sumatera Utara, 2009)From the reseach data of the effect of the increase in silica (SiO2) in the concentration ranging 0.1% to 1.0%on the charcoal briquette of coconut shell experimentally, a numeric computation simulation has been conducted ... -
Efek Komposisi dan Aging terhadap Sifat Mekanik dan Fisis pada Pembuatan Aerated Concrete(Beton Berpori)
(Universitas Sumatera Utara, 2009)The aerated light weight concrete have been made from mixture of cement, sand and or fly ash, CaCO3 and aluminium catalyst. On the making of light weight aerated concrete, there are two observation variables, there are: ... -
Pengaruh Ukuran Butiran dan Suhu Sintering terhadap Konduktivitas Listrik dan Mikrostruktur Keramik Yittria Stabilized Zirkonia sebagai Elektrolit Padat Fuel Cell
(Universitas Sumatera Utara, 2005)One of fuel cell components are solid electrolyte, it has a stable crystal structure and is as conductor material. To obtain those properties, stabilized Zirconia (ZrO2) is be made by using additive of 11 % mole Y2O3. ... -
Pembuatan dan Karakterisasi Batako Ringan yang Terbuat dari Styrofoam-Semen
(Universitas Sumatera Utara, 2009)The fabrication of styrofoam for structural construction materials had been made with aggregate raw material based on styrofoam and sand, where cement is used as reinforce matrix. The variables in concrete styrofoam are: ... -
Karakteristik Komposit Teroplastik Polipropilena dengan Serat Sabut Kelapa sebagai Pengganti Bahan Palet kayu
(Universitas Sumatera Utara, 2008)It has been made coir as a subtance to strengthen composite polypropylene (PP).The composite polypropylene (PP) with the coir as combination is made by making sandwich PP-layer to the coir with ratio 10%,20%,30%,40%.The ...