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All Journal TEKNIK GEMA TEKNOLOGI Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Communications in Science and Technology
A.P. Bayuseno
Dosen Jurusan Teknik Mesin Undip
Computer Science & IT Engineering

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KAJIAN PUSTAKA TENTANG GENERATOR LISTRIK BERBASIS MATERIAL PINTAR ELECTROACTIVE POLYMER SEBAGAI PENYEDIA DAYA LISTRIK PORTABLE Bayuseno, A.P.
Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Vol 1, No 1 (2010): PROSIDING SEMINAR NASIONAL SAINS DAN TEKNOLOGI 1 2010
Publisher : Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Teknologi material pintar (smart materials) sangat potensial untuk mengkonversi energi lingkungan menjadi sumber energi terbarukan (renewable energy). Metode ini sangat cocok diterapkan untuk keperluan penyedia daya listrik yang bersih dan murah karena material ini memiliki sifat ringan dan kerapatan energi (energy density, J/cc) dan kerapatan energi spesifik (specific energy density, J/g) yang tinggi. Akan tetapi penggunaan smart material sebagai teknik produksi listrik berbasis tenaga manusia belum banyak dikembangkan di Indonesia karena penguasaan teknologi yang masih terbatas. Tulisan ini bertujuan memperkenalkan sistem material pintar sebagai generator mikro dari bahan electroactive polymer (EAP) yang dapat dipasang pada sol sepatu. Untuk menghasilkan daya listrik dari konversi energi regangan mekanis, maka rancangan sol sepatu sebagai generator mikro akan dibahas dalam tulisan ini. Secara khusus dibahas rancangan model generator listrik berbasis material EAP karena memiliki banyak keunggulan dibandingkan dengan sistem material pintar lainnya, terutama dalam kemudahan dalam pembuatan (manufacture) serta pembentukan (forming). Tulisan ini juga menyajikan berbagai analisa sifat elektromekanik EAP untuk rancangan generator listrik yang digerakan oleh injakan sepatu (a-heel strike generator). Tantangan dalam pengembangan material pintar terhadap ketahanan (durability), pengendalian secara presisi, konsumsi energi (energy consumption) dan implementasinya sebagai alas kaki juga akan dibahas secara singkat. Kata kunci: Material pintar, electroactive polymer dan daya listrik
KARAKTERISASI BLOK REM KERETA API BERBAHAN BESI COR DAN Al-SiC BERDASARKAN KEKUATAN UJI TARIK DAN HARGA IMPAK Senen, Senen; Bayuseno, A.P.
TEKNIK Volume 33, Nomor 1, Tahun 2012
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (73.395 KB) | DOI: 10.14710/teknik.v33i1.3791

Abstract

The train is currently trusted by the people of Indonesia as a cheap and safe means of transportation. One fromthat must be met by a train is a reliable braking system. Generally the train brake block material is used graycast iron brake block.One of materials based composite as a substitute for train brake block are the Al-SiC (Aluminium SilicaCarbida). The Al-SiC composite material has hard and soft properties. Aluminium (Al) as a matrix and SiC asreinforcement. Metal material composite used for the reseach is Al-SiC composite with composition of SiC 15%,10%, and 15% made through a process of stir casting. The specimens were tested tensile strength and impacttests. The test of results : tensile test for cast iron = 188.56 MPa; aluminium = 131.97 MPa; Al-SiC 5% =127.17 MPa, 10% = 136.41 MPa dan 15% = 107.26 MPa. The result of the energy absorbed of impact test arecast iron = 2.17 Joule; aluminium = 8.67 Joule; Al-SiC 5% = 4.00 Joule, 10% = 4.67 Joule and 15% = 2.83Joule.From the result of test, so replacement of cast iron brake material block is composite brake material block witha composition 10% of AL-SiC.
EKSPERIMEN PEMBENTUKAN KERAK GIPSUM PADA PIPA BERALIRAN LAMINIR DENGAN PARAMETER LAJU ALIR DAN ADITIF ION CU2+ : KAJIAN KINETIS Mangestiyono, Wiji; Bayuseno, A.P.; Muryanto, Stefanus
Gema Teknologi Vol 16, No 3 (2011): April 2011 - October 2011
Publisher : Vocational School Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (167.346 KB) | DOI: 10.14710/gt.v16i3.4714

Abstract

Wiji Mangestiyono, , A.P. Bayuseno, Stefanus Muryanto, in this paper explain that the problem of gypsum scaling becomes a trouble for some industry in which use some water for its system. Some disadvanteges come up because of : the time of industrial process will be more longer and production cost increase necesery.To prevent the growth of scale, the experiment must be done. Researcher try to answer this problem so an experimental about kinetic study of gypsum scaling established. Flowrate would be a parameter with assume that it has effect on reaction flow. The result of  this experiment are : reaction rate increase when flow rate increase; adition some aditives becomes reaction rate decrease. Keywords : crystal, flow rate, reactio rate, gipsum
Development of CaCO3 novel morphology through crystal lattice modification assisted by sulfate incorporation and vibration Mangestiyono, Wiji; Jamari, J.; Bayuseno, A.P.; Muryanto, S.
Communications in Science and Technology Vol 9 No 1 (2024)
Publisher : Komunitas Ilmuwan dan Profesional Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21924/cst.9.1.2024.1426

Abstract

CaCO3 has long been used as a filler to increase many properties of the material. The filler commonly consists of inexpensive materials that replace some volume of the more expensive materials, which can reduce the cost of the final product. CaCO3 morphology that can be used as filler depends on the filler's function, such as filler for paper, paint, rubber, or composite. A filler for composite materials is needed to increase interfacing interactions between the particulate fillers and the matrix. So, the particulate in a broader shape will be the best choice to function for such filler. In this research, in an attempt to increase the interfacing interaction, CaCO3 morphology was modified in such a way through crystal lattice modification assisted by sulfate incorporation and vibration. SEM analysis was implemented, and showed that the research successfully produced novel morphology in branchy-like polymorphs. FTIR analysis also proved that the crystal lattice has been modified. The morphology in branchy-like polymorph is supposed to increase interfacing interaction between CaCO3 as the filler and the matrix. The methods are also supposed to be implemented as the research is scaled up to commercial scale.
Co-Authors J. Jamari Mangestiyono . S. Muryanto Senen Senen Stefanus Muryanto Sutrisno . W. Sediono W. Wiji Mangestiyono