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All Journal Cakrawala Pendidikan Rotasi JURNAL KIMIA SAINS DAN APLIKASI JURNAL BISNIS STRATEGI KALAM CENDEKIA PGSD KEBUMEN Diponegoro Law Journal Optimum : Jurnal Ekonomi dan Pembangunan Abdimas JEJAK KONSELI: Jurnal Bimbingan dan Konseling (E-Journal) Bimbingan dan Konseling Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains BISNIS: Jurnal Bisnis dan Manajemen Islam Indonesian Journal of Pharmaceutical Science and Technology Fakultas Pertanian Alchemy Jurnal Penelitian Kimia WARTA Jurnal Manajemen Dayasaing Jurnal Pendidikan Ilmu Sosial Jurnal Ekonomi Pembangunan: Kajian Masalah Ekonomi dan Pembangunan Jurnal Zeolit Indonesia Riset Akuntansi dan Keuangan Indonesia MESIN Journal of Governance and Public Policy Innovative Journal of Curriculum and Educational Technology Al Qodiri : Jurnal Pendidikan, Sosial dan Keagamaan Upajiwa : Jurnal Ekonomi, Bisnis dan Manajemen Daulat Rakyat MAJALAH ILMIAH GLOBE Prosiding Seminar Nasional Teknoka Jurnal Penelitian dan Pengabdian Kepada Masyarakat UNSIQ Techno-Fish Jurnal Pendidikan International Journal for Educational and Vocational Studies Indonesian Journal of Advocacy and Legal Services Jurnal Rekayasa Lingkungan Journal of Research and Educational Research Evaluation Edudikara: Jurnal Pendidikan dan Pembelajaran KONSELING EDUKASI : Journal of Guidance and Counseling Lembaran Publikasi Minyak dan Gas Bumi Makara Journal of Science
Triyono Triyono
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Journal : Rotasi

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PENGARUH CU TERHADAP REAKSI ANTARMUKA BAJA DAN ALUMINIUM DENGAN PERLAKUAN DIFUSI Karengke, Mathius; Triyono, Triyono; Supriyanto, Agus
ROTASI Vol 16, No 3 (2014): VOLUME 16, NOMOR 3, JULI 2014
Publisher : Departemen Teknik Mesin, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1410.1 KB) | DOI: 10.14710/rotasi.16.3.1-9

Abstract

Nowadays, developing vehicle is made as light as posible with the purpose to reduce energy consumption. For this reason, material that can be used is aluminium that has light weight and non corrosion properties. Aluminum structure will be not strong enough, it still need another material like steel to make it stronger and stiffer. Joining aluminum to steel has problems because of very low solubility, thus it requires other material as its medium in which it accelerates promoter solubility aluminum to steel. In this study, mixture of Fe and Cu powder was used as promoter material or filler in the process of diffusion welding of aluminium and steel.. The  good results diffusion between the steel with aluminum filler hence the need for variation of Fe and Cu. Aluminum and steel welding process with adapting diffusion treatment will produces intermetallic layer. Intermetallic layer was formed from the fussion among two different material, and it made new compound. This research showed some different solubility level of aluminum in steel in every variation of filler composition. The highest solubility ratio of aluminum in steel was 0.4 which reached in the specimens with filler composition of 40% Fe,60% Cu and 60% Fe,40% Cu.
STUDI LITERATUR PENGARUH PARAMETER PENGELASAN TERHADAP SIFAT FISIK DAN MEKANIK PADA LAS TITIK (RESISTANCE SPOT WELDING) Haikal, Haikal; Triyono, Triyono
ROTASI Vol 15, No 2 (2013): VOLUME 15, NOMOR 2, APRIL 2013
Publisher : Departemen Teknik Mesin, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (941.641 KB) | DOI: 10.14710/rotasi.15.2.44-54

Abstract

Resistance spot welding (RSW) is the most widely used for joining thin sheet metals in automotive industry. Various applications of dissimilar materials and thicknesses were commonly found in many spot welding processes especially in the manufacture of car body. The resistance spot welding of dissimilar materials are generally more challenge than similar materials due to differences in the physical, chemical, and mechanical properties of the base metals. Differences of materials have an impact on heat input generated at the spot welding. Diameter of the weld nugget size is influenced by several parameters such as electric current, welding time, different types of material, and the thickness of the plate. Nugget diameter will influence on physical and mechanical properties weld such as microstructure, shear strength and hardness. For practical use, various industrial standards have recommended a minimum weld size for a given sheet thickness, mostly in the form of tables. For example the American Welding Society (AWS), Society of Automotive Engineering (SAE) and the American National Standards Institute (ANSI). They were only suitable to be apllied on the similar metal and thickness joint because in this joint, symetrical nugget will be formed. Meanwhile a type of dissimilar metal that joined by spot welding method will result in the asymetrical nugget. This paper aims to review the results of researchs on the similar and dissimilar resistance spot welded joint to evaluate the use of similar metals weld parameters and standards on the dissimilar metals weld. It was determined that parameters welding such as electric current, welding time, and the standard for similar metals weld can not be applied on the dissimilar metals weld. The asymetrical nugget shape decreased shear strength on the weld nugget. The most important factor that was considered on the dissimilar metals weld to make high quality weld joint was nugget diameter. If the nugget diameter weld increased the strength of welding will increase.
PENGARUH TEMPERATUR TERHADAP SIFAT FISIK MEKANIK PADA SAMBUNGAN DIFUSI LOGAM TAK SEJENIS ANTARA SS400 DENGAN Al6061 Hariyanto, Agus Hadi; Triyono, Triyono; Supriyanto, Agus
ROTASI Vol 17, No 2 (2015): VOLUME 17, NOMOR 2, APRIL 2015
Publisher : Departemen Teknik Mesin, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2181.896 KB) | DOI: 10.14710/rotasi.17.2.57-66

Abstract

Diffusion welding on the disimilar metal between steel SS400 and aluminum Al6061 by using induction furnace, the temperature variation and filler variation. Temperature variations that are used 850⁰C, 875⁰C and 900⁰C. Filler that is used Fe and Cu powders, in variations filler Fe / Cu: 70/30%, 75/25%, 80/20%, on 30 minutes holding time. The results shows there is the presence of intermetallic layers in the temperaturs. Results of Scanning Electron Microscop (SEM), good diffusion process occurs on temperatures 850⁰C and filler variations Fe: 75%, Cu: 25%. It occurs interface bonding steel and aluminum on diffusion area. Interface bonding steel and aluminum will produces intermetalic layer Fe2Al3. The results of good hardness distribution occurs on 900⁰C filler variations Fe: 75%, Cu: 25%. It occurs intermetalic layer formation on diffusion area. Intermetalic layer formation is influenced by heat treatment and diffusion of Fe atoms and Cu atoms. The higher the heat treatment, the harder the Cu atoms. So it will affect the hardness intermetalic layer. By the higher heat treatment, the microstructure of the coating intermetalic will be so close. The more tightly layered arrangement intermatalic blistering effect on shear test. The results of tensile shear testing, high voltage value occurs on 900⁰C filler variations Fe: 75%, Cu: 25%. It is influenced by a continuous heating process, thus causing the Cu atoms will be hard. With high heat, Fe atoms will diffuse to the base metal aluminum and copper atoms will diffuse to the base metal and Al6061 SS400. So that the Fe and Cu atoms will bond with the base metal that affects the mechanical properties.
Co-Authors A.A. Ketut Agung Cahyawan W Abd. Rasyid Syamsuri Adi Atmoko Aditya Aditya Afrizal Sano Agung Basuki Prasetyo, Agung Basuki Agus Hadi Hariyanto Agus Supriyanto Ahmad Mardalis, Ahmad Ahmad Suseno Aji, Daisman P.B. Al-Ghozaly, Syakirin Ambar Lukitaningsih Ambariyanto Ambariyanto Anas Ismail, Anas Anas Subarnas Anas, M. Sjahrul Anis Mafiroh, Anis Anjani, Fidha Merry Ariantje J.A. Sundah, Ariantje J.A. Bambang Budi Wiyono Bambang Setiaji Bangun, Morina Bangun, Morina Basuki , Cahyasiwi, Dwi Astuti Carolina Ligya Radjah, Carolina Ligya Chuzaimah Chuzaimah, Chuzaimah D.W., Tutik D.W., Tutik Daryono Soebagiyo Dewi Larasati, Dewi Dewi Susanti Dian Maruto Widjonarko Didit Purnomo Dody Prayitno Eddy Heraldy Edy Cahyono Elia Flurentin, Elia Elian Iwi Afifah, Elian Iwi Emilia Roza Endang Tri Wahyuni Eva, Murtiari Fahmi Arifan Farihati, Lulu Fatchan Achyani Fathan Achyani, Fathan Fatiatun, Fatiatun Fatmasari Sukesti Fayakun, Kun Febriani, Rahmi Dwi FIRDHAUS, RYANDI Fitria Kasih Haikal Haikal Harno Dwi Pranowo Heru Kurnianto Tjahjono Hery Irwan I F Nurcahyo, I F I Nyoman Sudana Degeng Iis Manuningsih, Iis Ilamsyah Ilamsyah, Ilamsyah Imanti, Vera Indarti Diah Palupi Iqmal Tahir Iroth, Delia Amanda Jamhari Jamhari jawahir, Jawahir Joharman Joharman Khoirina Dwi Nugrahaningtyas Kusumastuti, Anindita M. Amin M. Muchalal Marthen Pali, Marthen Mathius Karengke Mufti Arief Arfiansyah Muhammad Wahyuddin, Muhammad Muhyidin Muhyidin Mujalis, Yusep Muslih, Ersan Y. Nandar Cundara, Nandar Narsito Narsito Ngatman, Ngatman Niswah, Ulfatun Noor Eddy, Noor Nur Achmad Nur Hidayah Nuryono Nuryono Oktaviano, Yoska Oktora, Raynoldy Prasetyo, Hendro Adi Prihandoko, Diananto Probowati, Devy Purnomo Purnomo Purwo Handoko, Donatus Setyawan Purwo Handoko, Donatus Setyawan Puspitasari, Anita Rafika, Ageng Setiani Rianti Dewi Sulamet-Ariobimo, Rianti Dewi Rodiansono Rodiansono Sa'diyah, Awalus Sadali, Sadali Sari Lestari Sari, Puji Novita Sari, Puji Novita Setiawati, Diana Setiyowati, Arbin Janu Sidiq, Muhammad Fachri Siti Nurchasanah,, Siti Sitorus, Frisca Deviyanti Soewartoyo Soewartoyo SULISTIYARINI, AMBAR Sunarto Sunarto Suparyadi Suparyadi, Suparyadi Suyatmini Suyatmini Suzanna Ratih Sari Tania Clara Dewanti, Tania Clara Tomi Ramadona Tono Sukarnoto, Tono Tri Saptuti Susiani Wahyu Hidayat Wahyu Lestari Wahyu Mushollaeni Wahyu Wahyu Wega Trisunaryanti Widada Widada, Widada Widya Multisari Winnarti, Desy Wirawan Wirawan Yahya, Alfajar Yoeswono Yoeswono Yohana Chaerunisaa, Anis Yohanna Lilis H Yoharto, Yoharto Yuli Prasetyo Adhi Yuli Tri Cahyono Yuliana, Khozin Yuliati Holifah Yulius Yulius Zuama, Archie Minervo Zur Raffar, Izzah Nur Aida