Universitas Gadjah Mada

Login Portal Akademik

Ir. Alva Edy Tontowi, M.Sc., Ph.D.

Associate Professor

Articles :
  1. A. E. Tontowi, Pengembangan Metode Pembelajaran Berbasis Inkubator Industri (Industrial Incubator Based Learning/IIBL), Majalah Lontar, January 10th 2003
Book :
  1. A. E. Tontowi, H. Shriahimsa, and Amelia, Etno-Desain: Etnografi untuk Desain, Yogyakarta, Indonesia: Penerbit Erlangga , 2009
  2. A. E. Tontowi, Laser Sintering: Teori, Simulasi Numerik dan Eksperimen, Yogyakarta: Gadjah Mada University Press, 2008
Selected Publication :
  1. Sunarintyas, Y. Yustisia, and A. E. Tontowi, Efek Aplikasi Serincin Pada Hidroksiapatit Terhadap Perlekatan Sel Osteoblas, Jurnal Ilmiah Sains dan Teknologi, vol. 1/1, pp. 35-41, 2011
  2. T. Rachmawati., A. E. Tontowi, Analysis of Jobshop Makespan using Active, Non-Delay and Heuristic-Generation Methods, Journal of Mesin dan Industri, vol. 6/No.1, pp. 1-10, 2009
  3. A. E. Tontowi, Z.E. Sugiarto, Dimensional Accuracy of 3D Model of Investment Gypsum, Journal of Mesin dan Industri, vol. 6/No.1, pp. 10-24, 2009
  4. I. Fauzun., M. Hamdi., A. E. Tontowi, and T. Ariga., Formulation of The Size and Position of Spiral Cooling Channel in Plastic Injection Mold based on Fluent Simulation Results, IEEE International Conference, -, Singapore, December 8th 2008
  5. I. Widodo., A. E. Tontowi, Subagyo, and Sugiyanto., Product Performance Measurement: A Simple and Integrated Model, The 9th of APIEMS Conference, APIEMS, Nusa Dua, Bali, Indonesia, December 3rd 2008
  6. M. Hamdi., S. Zawiyah., T. Ariga., and A. E. Tontowi, Green Procurement Adoption in Manufacturing Supply, The 9th of APIEMS Conference, APIEMS, Nusa Dua, Bali, Indonesia, December 3rd 2008
  7. L. Angellia., M. Hamdi., S. Zawiyah., T. Ariga., and A. E. Tontowi, Reflow Characteristic of Copper Powder Addition on Sn-Ag-Cu Lead-Free Solder, The 9th of APIEMS Conference, APIEMS, Nusa Dua, Bali, Indonesia, December 3rd 2008
  8. S. Sunanrintyas., W. Siswomiharjo., and A. E. Tontowi, Study on Acute Toxicity Test of Locally Produced Hydroxyapatite in Rattus Norvegicus, International Conference on Bio-medical Engineering, -, Surabaya, Indonesia, November 11th 2008
  9. A. E. Tontowi, B. Triono, and Fauzun, Recommendation for Cooling Channel Design of Injection Mold by Helix Channel, National Seminar on TechnoSIM 2008, Department of Mechanical and Industrial Engineering UGM, Yogyakarta, October 16th 2008
  10. S.A. Widyanto, A. E. Tontowi, Jamasri, and H. S. B. Rochardjo, Shape Distortion and Dimension Accuracy of Multimaterial Deposition Indirect Sintering Product, International Conference of Mechanical Engineering, Faculty of Engineering, Johor Bahru, Malaysia, May 21st 2008
  11. S.A. Widyanto, A. E. Tontowi, Jamasri, and H. S. B. Rochardjo, Product Dimension Accuracy of Multimaterial Deposition Indirect Sintering Process, Technology and Innovation for Sustainable Development Conference, Khon Kaen University, Thailand, January 28th 2008
  12. S. Nandiroh., A. E. Tontowi, Design of Flash Disk Case Using Integrated Kansei Engineering, Journal of Media Teknik, vol. 32/No.1, pp. 65-76, 2008
  13. A. E. Tontowi, Diametral Tensile Strength and Microstructure of Hydroxyapatite-Photopolymer Composite, Journal of Media Teknik, vol. -/No.4, pp. 550-553, 2008
  14. R. Darmawan., A. E. Tontowi, Optimization of Layer Manufacturing Process in Building a 3D Object Using Response Surface Method, Journal of Media Teknik, vol. -/No.4, pp. 554-562, 2008
  15. L. Angellia., M. Hamdi., S. Zawiyah., M. Dahwal., T. Ariga., and A. E. Tontowi, The Effect of Copper Powder and Porous Copper as Reinforcement on Spreading Characteristic and Strength Development of Sn-Ag-Cu Lead-Free Solder, The 14th Joint Seminar on Regional Deposition Processes in The Atmosphere, -, Thailand, 2008
  16. S.A. Widyanto, A. E. Tontowi, Jamasri, and H. S. B. Rochardjo, Mechanical Strength and Dimension Accuracy of Freeform Fabrication Product of Al-PE/Silica-PE Composite, The 3rd International Conference on Product Design and Development, Universitas Gadjah Mada, Yogyakarta, Indonesia, December 12th 2007
  17. I. Widodo, A. E. Tontowi, Subagyo, B. Anita, R. Utami, and Sugiyanto, The 3rd International Conference on Product Design and Development 2007, Proceeding of The 3rd International Conference on Product Design and Development 2007, -, Yogyakarta, Indonesia, pp. -, December 2007
  18. M. K. Herliansyah, D. Nasution, M. Hamdi, A.I. Ektessabi, M.W. Wildan, and A. E. Tontowi, Preparation and Characterization of Natural Hydroxyapatite: A Comparative Study of Bovine Bone Hydroxyapatite and Hydroxyapatite from Calcite, Proceeding of The 6th Pacific Rim International Conference on Advanced Materials and Processing (PRICM-6), -, Jeju, Korea, pp. -, November 2007
  19. S. Widyanto, A. E. Tontowi, Jamasri, and H. S. B. Rochardjo, Glue Infiltration of the SFF Product of Cast Iron-PE/Silica-PE Composite, Gelagar Journal, vol. 18/2, pp. 134-140, 2007
  20. S. Widyanto, A. E. Tontowi, Jamasri, and H. S. B. Rochardjo, Binding Mechanism and Shrinkage Prediction of Polypropelene, Polyethylene and Silica Particles in Isothermal Sintering Process, Forum Teknik Journal, vol. 31/1, pp. 61-67, 2007
  21. S.A. Widyanto, A. E. Tontowi, Binding Mechanism and Shrinkage Prediction of Polypropylene, Polyethylene and Silica Particles in Isothermal Sintering Process, Forum Teknik, vol. -, pp. -, 2007
  22. A. E. Tontowi, Simulasi dan Optimasi untuk Aplikasi Industri Proses, Manufaktur, dan Energi, Makalah Seminar Nasional ” TechnoSIM 2006″, TechnoSIM 2006, Yogyakarta, Indonesia, August 2006
  23. A. E. Tontowi, M. K. Herliansyah, Fauzun, B. Triyono, and B. Febriantoko, Experiment, Simulation and Mechanical Strength of A Layered Mould with Helical Cooling Channel, The 7th FWS on Product Design and Development- Manufacturing Engineering and Materials Processing, AUN/SEED-Net, University Malaya, Kuala Lumpur, Malaysia, March 2006
  24. E. Pujianto, A. E. Tontowi, M.W. Wildan, and Siswomihardjo, Sintesis Hidroksiapatit dari Gypsum Tasikmalaya sebagai Bahan Baku Tulang Buatan (Kajian Awal Pengembangan Produk Tulang Buatan), National Seminar on /application and Research in Industrial Technology, Department of Mechanical and Industrial Engineering UGM, Yogyakarta, pp. 119-126, 2006
  25. A. E. Tontowi, Nanoteknologi untuk Bahan Teknik, Seminar Mahasiswa Jurusan Teknik Mesin FT UGM, Jurusan Teknik Mesin FT UGM, Yogyakarta, 2006
  26. S.A. Widyanto, A. E. Tontowi, Jamasri, and H. S. B. Rochardjo, Determination of Operation Condition and Product Dimension Accuracy Optimization of Filament Deposition Modelling on Layer Manufacturing, Makara Seri Teknologi, vol. 10/2, pp. 90-95, 2006
  27. S. Riyadi, S.A. Widyanto, and A. E. Tontowi, Mekanisme Ikatan Antar Butir dan Penyusutan Butir pada Proses Sintering Polyethylene, Prosiding Seminar Nasional Pekembangan Riset dan Teknologi Bidang Materials dan Proses, Pusat Studi Ilmu Teknik UGM, Yogyakarta, Indonesia, 2006
  28. S.A. Widyanto, A. E. Tontowi, Jamasri, and H. S. B. Rochardjo, Influence of Sintering Temperature and Holding Time on Tensile Strength and Shrinkage of PVC Specimen on Indirect Pressure-less Sintering Process, Jurnal Teknik Mesin ITB, vol. 21/1, pp. 16-20, 2006
  29. R. Saragih, I. Lianggoro, and A. E. Tontowi, Quality Design of a Rapid Prototyping Tool Using Response Surface Method, Proceeding of International Seminar on product Design and Development, -, Yogyakarta, Indonesia, pp. -, 2006
  30. Fauzun, M. Hamdi, T. Ariga, and A. E. Tontowi, Brazing Temperature and Time Effects on The Microstructure and Mechanical Properties of Copper/BNI-6/Mild Steel Joints, Proceeding of International Seminar on product Design and Development , -, Yogyakarta, Indonesia, 2006
  31. M. K. Herliansyah, E. Pujianto, M.H.B.A. Shukor, A.I. Ektessabi, M.W. Wildan, and A. E. Tontowi, Preparation and Characterization of Natural Hydroxyapatite : Study of X-Ray Diffraction Result from Bovine Bone Hydroxyapatite and Natural Gypsum Hidroxyapatite, Proceeding of International Seminar on Product Design and Development , xxx, Yogyakarta, Indonesia, 2006
  32. A. E. Tontowi, Fauzun, B. Triyono, and B. Febriantoko, Temperature Distribution and Mechanical Strenghth of Plate Joining for Designing of a Layer Mold, Proceeding 8th AUN/SEED-Net Fied Wise Seminar For Manufacturing Engineering “Commercialization of Research Products” Vientine, AUN/SEED-Net, Laos , 2006
  33. S. Riyadi, S.A. Widyanto, and A. E. Tontowi, Optimasi Temperatur dan Waktu Penahanan Pada Proses Indirect Sintering Serbuk PVC Cream Menggunakan Bahan Pasir Silika/Cor Sebagai Support Powders, Prosiding Seminar Nasional Pekembangan Riset dan Teknologi Bidang Materials dan Proses, Pusat Studi Ilmu Teknik UGM, Yogyakarta, Indonesia, 2006
  34. A. E. Tontowi, M. K. Herliansyah, and Fauzun, Studi Perpindahan Panas pada Mold Injeksi Bersaluran Pendingin Konformal Menggunakan Pendekatan Metode Elemen Hingga, Prosiding Seminar Nasional Tahunan Teknik Mesin III, Seminar Nasional Tahunan Teknik Mesin, Universitas Hasanudin, Makasar, December 2005
  35. A. E. Tontowi, Fauzun, and M. K. Herliansyah, Integrasi Desain dan Fabrikasi Molding Bersaluran Pendingin Konformal (Aplikasi Teknologi Layer Manufacturing), Prosiding Seminar Nasional Otomasi II, Universitas Parahyangan, Bandung, December 2005
  36. A. E. Tontowi, M. K. Herliansyah, and Fauzun, Integration of Design and Manufacture of Mould, The 6th FWS on Product Design and Development- Manufacturing Engineering and Process, AUN/SEED-Net, Chulalongkorn University, Bangkok, Thailand , October 2005
  37. M. Ridlwan, A. E. Tontowi, and H. S. B. Rochardjo, Sudut Serang Terhadap Efisiensi dan Produktivitas Proses Pembuatan Serbuk Logam Dengan Metoda Atomisasi Las Oksi-Asitilen, Prosiding Seminar Nasional 2005 ” Intelligent control For Manufacturing System” , -, Yogyakarta, July 2005
  38. S.A. Widyanto, A. E. Tontowi, Jamasri, and H. S. B. Rochardjo, Pengembangan Material Delivery Sub System Dengan Metoda Gesekan Untuk Aplikasi Proses Multi Material Layer Manufacturing, Prosiding Seminar Nasional Rekayasa Teknologi Industri dan Informasi, -, Yogyakarta, June 2005
  39. A. E. Tontowi, T.H.C. Childs, Penetration of CO2 Laser Radiation into a Powder Bed of Nylon Relevant to Selective Laser Sintering, The 5th FWS on Materials and Manufacturing Technology, AUN/SEED-Net, UM, Kuala Lumpur, Malaysia, April 2005
  40. S.A. Prianto, A. E. Tontowi, Aplikasi Metode Layer Manufacturing untuk Pembuatan Prototype Piping Joint, Prosiding Seminar Nasional Jurusan Teknik Mesin FT UGM, Jurusan Teknik Mesin FT UGM, Yogyakarta, 2005
  41. M. Ridlwan, A. E. Tontowi, Proses Pembuatan Serbuk Logam dengan Metoda Atomisasi Las Oksiasitilen, Jurnal Teknoin UII, vol. 10/4, 2005
  42. B.W. Febriantoko, A. E. Tontowi, Perbandingan Metode Laminasi Adhesive Bonding dan Brazing pada Plat Baja untuk Mold Mesin Injeksi Plastik, Prosiding Simposium Nasional Rekayasa, Aplikasi, dan Perancangan Industri, UMS Surakarta, UMS Surakarta, Indonesia, 2005
  43. A. E. Tontowi, M. Ridlwan, and H. S. B. Rochardjo, Studi Struktur Mikro Serbuk Fe-C Hasil Plasma Oksiasetilen, Prosiding Seminar Nasional BKSTM, Universitas Udayana, Bali, Indonesia, 2005
  44. B.W. Febriantoko, A. E. Tontowi, Pengaruh Suhu Air Rendaman pada Kekuatan Mekanik Laminasi Plat Baja, Prosiding Seminar Nasional Perkembangan Riset dan Teknologi Bidang Material dan Proses, Pusat Studi Ilmu Teknik UGM, Yogyakarta, Indonesia, 2005
  45. S.A. Widyanto, A. E. Tontowi, Jamasri, and H. S. B. Rochardjo, Pengembangan Material Delivery Sub-System dengan Metode Gesekan untuk Aplikasi Proses Multimaterial Layer Manufacturing, Makalah Seminar Nasional STTNas, -, Yogyakarta, Indonesia, 2005
  46. S.A. Widyanto, A. E. Tontowi, Jamasri, and H. S. B. Rochardjo, Development of Low Frequency Vibration Method of Direct-Write Deposition Relevant to Layer Manufacturing Application, Makara Seri Teknologi, vol. 9/2, pp. 53-55, 2005
  47. S.A. Widyanto, A. E. Tontowi, Jamasri, and H. S. B. Rochardjo, Analyzing of Hopper Nozle Vibrator System of Low Frequency Direct-Write Deposition, Forum Teknik, vol. 29/3, pp. 201-206, 2005
  48. S.A. Widyanto, A. E. Tontowi, Jamasri, and H. S. B. Rochardjo, Development of Screw Feeder Hopper Nozzle of Direct-Write Deposition Applicable to Layer Manufacturing Process, Forum Teknik, vol. 29/3, pp. 207-210, 2005
  49. M. Ridlwan, A. E. Tontowi, and H. S. B. Rochardjo, Studi Struktur Mikro Serbuk Baja Hasil Atomisasi Las Oksiasetilen, Prosiding Seminar Nasional Perkembangan Riset dan Teknologi bidang Material dan Proses, Pusat Studi Ilmu Teknik UGM, Yogyakarta, Indonesia, 2005
  50. A. E. Tontowi, Study of a Powder Bed Structure of Stainless Steel 314-HC for Selective Laser Sintering Application, The 4th FWS on Manufacturing Engineering, AUN/SEED-Net, University of De La Salle, Manila, The Phillipines, October 2004
  51. A. E. Tontowi, Selective Laser Sintering and The Possibility of Processing Bioceramic Materials, Proceeding The 3rd FWS on Processing-Properties Relationship in Biomaterials, AUN/SEED-Net, USM, Penang, Malaysia, August 2004
  52. A. E. Tontowi, Selective Laser Sintering Nylon, Prosiding Seminar Nasional Ilmu dan Teknologi Material, -, ITS, Surabaya, June 2004
  53. A. E. Tontowi, Propolis: Riset dan Pengembangannya untuk Industri, Prosiding Seminar Nasional Propolis, FKUGM, Yogyakarta, May 2004
  54. A. E. Tontowi, A. E. Tontowi, Density Prediction of A Crystalline Composite Laser Sintered Part Using Combination Methods of FEM and TRM, Proceeding The 3rd FWS on Manufacturing and Materials Processing Technology, AUN/SEED-Net, UM, Kuala Lumpur, Malaysia, March 2004
  55. A. E. Tontowi, Laser Sintering Study of a Nylon-Glass Composite Through SEM Imaging, Proceeding The 2nd FWS on Materials and Manufacturing Technology, AUN/SEED-Net, UGM, Yogyakarta, October 2003
  56. A. E. Tontowi, N. Sembiring, Modelling of Selective Laser Sintering of Aluminium Powder for Automotive Component Fabrication, Prosiding Seminar Nasional AUTOTECH 2003, Fakultas Teknik UGM, Yogyakarta, September 2003
  57. A. E. Tontowi, Y. Agung, Perancangan dan Pengembangan Produk Handle Bar Hand Tractor Berdasarkan Anthropometry Petani Yogyakarta, Prosiding Seminar Nasional Ergonomi, Fakultas Teknologi Pertanian UGM, Yogyakarta, September 2003
  58. A. E. Tontowi, Pengaruh Parameter Proses Laser Sintering pada Densitas Hasil Sinter, Prosiding Seminar Nasional Sistem Produksi VI, UGM-ITB, Yogyakarta, August 2003
  59. A. E. Tontowi, Selective Laser Sintering Process for Building a Test Model of Wind Tunnel, Proceeding International Seminar on Aero Technology 2003, ASA, Yogyakarta, July 2003
  60. A. E. Tontowi, N. Sembiring, The First Result on Temperature Prediction of Aluminium Sintering Part: Modelling Approach, Prosidng Seminar Nasional Heat dan Mass Transfer, Pusat Studi Ilmu Teknik UGM, Yogyakarta, May 2003
  61. A. E. Tontowi, J. Untung, and Yazul, Perancangan dan Pengembangan Produk Pistol Grip sesuai dengan Anthropometry Prajurit TNI, Prosiding Seminar Nasional Ergonomi, FTI-UII, Yogyakarta, April 2003
  62. A. E. Tontowi, A. E. Tontowi, Density Prediction of A Crystalline Composite Laser Sintered Part Using Combination Methods of FEM and TRM, Proceeding The 1st FWS on Manufacturing and Materials Processing Technology, AUN/SEED-Net, UM, Kuala Lumpur, Malaysia, March 2003
  63. T.H.C. Childs, A. E. Tontowi, Selective Laser Sintering of Crystalline and A Glass-filled crystalline Polymer: Experiments and Simulations, Proceeding ImechE, ImechE, -, pp. 1481-1495, 2001
  64. A. E. Tontowi, T.H.C. Childs, Density Prediction of Crystalline Polymer Sintered Parts at Various Powder Bed Temperatures, RP Journal, vol. 7/3, pp. 180-184, 2001
  65. T.H.C. Childs, C. Hauser, C.M. Taylor, and A. E. Tontowi, Simulation and Experimental Verification of Crystalline Polymer and Direct Metal Selective Laser Sintering, Proceeding SFF, University of Texas , Austin, August 2000
  66. T.H.C. Childs, M. Berzin, G.R. Ryder, and A. E. Tontowi, Selective Laser Sintering of an Amorphous Polymer-Simulations and Experiments, Proceeding ImechE, ImechE, -, pp. 333-349, 1999
  67. A. E. Tontowi, A.E. Childs, Effect of Porosity on Thermal Conductivity of Duraform Polyamide: A Case Study for SLS Process Modelling, Proceeding ISTM’99, ISTM, Leeds-UK, pp. 95-103, 1999
  68. A. E. Tontowi, A.E. Childs, Numerical Modelling of Selective Laser Sintering Process of Crystalline Polymer-The First Results, Proceeding 4th ISSM’99, ISTECS Europe, Kassel-Germany, pp. 128-132, 1999
  69. A. E. Tontowi, Efektivitas Pendinginan Baja Plat Panas Menggunakan Semburan Udara (Airjet Impingement Cooling of Hot Circular Metal Disk), Media Teknik, vol. -/3, 1995
  70. A. E. Tontowi, Mechanical properties of the Aluminium-GFRP Composite, Journal of Engineering Faculty, vol. -, 1993
  71. A. E. Tontowi, Improving Output Power of The Savonius Windmill by Applying a Plate Director, Journal of Engineering Faculty, vol. -, 1990
  72. A. E. Tontowi, Effect of Spoiler to The Negative Lift of Van Vehicle-Wind Tunnel Experiment, Journal of Engineering Faculty, vol. -, 1989
  73. A. E. Tontowi, Ground Effect of Van Vehicle-Wind Tunnel Experiment, Journal of Engineering Faculty, vol. -, 1988