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All Journal SPEKTRUM INDUSTRI BAREKENG: Jurnal Ilmu Matematika dan Terapan Majalah Ilmiah UPI YPTK Jurnal Pengabdian Masyarakat Dharma Andalas Jurnal Teknologi
Fatchurrohman, Nanang
Department Of Industrial Engineering, Faculty Of Engineering, Universitas Putra Indonesia YPTK Padang
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Physics Social Sciences Transportation

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Product Development And Performance of Reinforced Metal Matrix Composite Brake Disc: Modelling, Simulation And Multi-Criteria Decision Making Technique Nanang Fatchurrohman; Gan Wei Kang; Muhammad Ilham Adelino
Spektrum Industri Vol 19, No 2: October 2021
Publisher : Universitas Ahmad Dahlan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/si.v19i2.21951

Abstract

Demand for lightweight and durable components for automotive applications is increasing, such as brake discs. This paper presents an investigation on new material for brake discs which is metal matrix composite (MMC). This new material offers high strength – lightweight performance and high thermal conductivity if applied to automotive brake discs. This paper also explores new designs for brake disc using MMC as the material. The objective of this study is to present a recommendation for new brake disc material and design which can replace the existing one in terms of higher braking performance. Modelling, simulation, and multi-criteria decision making (MCDM) technique were used toselect the best design of MMC brake disc. The results show that Design 6 (with angular grooves) has the best performance at dissipating heat, reaching the highest temperature of 284.66°C and it has the lowest deformation of 0.589 mm. Subsequent analysis using MCDM shows that Deign 6 has the highest normalised priority of 0.2742 or the best alternative. The combination of MMC as the new material and new design can improve thermal and structural performance, hence improving the vehicle braking performance.
Penyuluhan kepada Siswa SMA untuk Menambah Motivasi Belajar di Masa Pandemi Covid-19 Nanang Fatchurrohman; Muhammad Ilham Adelino; Susriyati
Majalah Ilmiah UPI YPTK Vol. 29 (2022) No. 1
Publisher : Universitas Putra Indonesia YPTK Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35134/jmi.v29i1.100

Abstract

Motivasi dan inspirasi belajar saat ini mengalami hambatan karena merebaknya wabah Covid-19. Coronavirus adalah pandemi di seluruh dunia yang penyebarannya sangat menegangkan. Oleh karena itu, otoritas publik berupaya untuk membendung penyebaran infeksi Covid-19 dengan memberikan strategi dengan tujuan agar seluruh warga sekitar melakukan social distancing atau menjaga jarak. Hal ini membuat seluruh kerangka pembelajaran di sekolah secara tatap muka dipindahkan ke strategi pembelajaran internet atau dalam jejaring (daring). Adanya gangguan dalam proses belajar memberikan pengaruh yang kecil bagi siswa sehingga mempengaruhi inspirasi belajarnya. Penyuluhan ini akan bertemakan memotivasi siswa SMA di masa pandemi Covid-19. Materi Emotional and Spiritual Quotient (ESQ) akan dijadikan sebagai bahan utama dalam penyuluhan ini. Materi ESQ sudah terbukti dalam meningkatkan kecerdasan emosional dan spiritual seseorang dalam menghadapi tantangan dan memberikan semangat baru dalam hidup ini. Dengan ini diharapkan, siswa SMA mempunyai semangat dan tujuan hidup yang lebih mantap dalam menghadapi pembelajaran dan kehidupan di saat pandemi Covid-19 ini.
TAGUCHI METHOD APPLIED FOR THE INVESTIGATION OF CORROSION LEVEL ON METAL INERT GAS WELDING OF MILD STEEL Nanang Fatchurrohman; Low Tze Chin; Jufriadif Na’am
BAREKENG: Jurnal Ilmu Matematika dan Terapan Vol 16 No 3 (2022): BAREKENG: Journal of Mathematics and Its Applications
Publisher : PATTIMURA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (577.915 KB) | DOI: 10.30598/barekengvol16iss3pp845-852

Abstract

Mild steel has a wide range of uses such as in the construction field, automotive field, machinery industry, cookware, and pipeline. Metal Inert Gas (MIG) welding act as an assembly method of mild steel. Corrosion level is a common problem that occurs in MIG welding on mild steel. In this study, the suitable welding parameters such as voltage, number of passes, and method of welding were chosen in the experimental testing and the experimental testing was planned by using the Design of Experiment (DoE) as part of Taguchi method. The welded mild steel specimens were evaluated using a corrosion test. The data analysis was done by using Taguchi method. For the parameter to be the optimum welding parameter, the corrosion level was as low as possible. In this case, the S/N ratio smaller is better common interest is chosen. By using the Minitab 18 software, the S/N ratio was calculated. Hence from the result, the optimum parameter is 9V voltage, three passes and the welding method was circle push.
Penyediakan Buku Profil berupa e-Book untuk Kerajinan Tangan Akrilik Kampung Tematik Gunung Pangilun Padang Nanang Fatchurrohman; Meldia Fitri; Omia Crefioza
Majalah Ilmiah UPI YPTK Vol. 29 (2022) No. 2
Publisher : Universitas Putra Indonesia YPTK Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35134/jmi.v29i2.126

Abstract

Pengabdian kepada masyarakat ini dilaksanakan di Kampung Tematik Akrilik yang terletak di Gunung Pangilun, Kota Padang, Sumatera Barat. Kampung ini merupakan salah satu Kampung Tematik yang dicanangkan Walikota Padang bersama instansi terkait. Pada November 2021, Walikota mengadakan pertemuan dengan perwakilan Perguruan Tinggi di Padang untuk memulai program pendampingan Kampung Tematik. Berdasarkan hal tersebut, wawancara awal telah dilakukan dengan para pengrajin. Diketahui penjualan di kerajinan tangan akrilik saat ini sedang mengalami penurunan penjualan akibat Pandemi Covid-19. Dengan adanya permasalahan tersebut maka diputuskan untuk membantu dalam hal promosi buku profil dalam bentuk E-book. Buku profil ini berisi informasi penting seperti, Latar Belakang, Profil Singkat, Lokasi, Produk yang Tersedia, dan Kontak Person. Buku profil ini diharapkan dapat menjangkau konsumen sasaran secara luas dan tepat. Dengan adanya buku profil ini diharapkan dapat membantu kerajinan tangan akrilik kembali aktif dan meningkatkan penjualannya hingga mencapai volume penjualan seperti sebelum pandemi.
Pemutakhiran Pengembangan Produk Menggunakan Kerangka kerja “Integrated Conceptual Selection (ICS)” Nanang Fatchurrohman; M. Ilham Adelino; Meldia Fitri
Jurnal Teknologi Vol. 11 No. 2 (2021): Jurnal Teknologi
Publisher : Universitas Putra Indonesia YPTK Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (441.711 KB) | DOI: 10.35134/jitekin.v11i2.49

Abstract

In today’s overwhelming competition, the knowledge on product development represents a very significant aspect for companies to survive in the market. Among these sectors is the automotive industry, where it is one of the fastest growing, highly demanding and stiff competition marketplaces. Intensive research in this field is targeted to produce light weight and high-performance components which can increase fuel efficiency and sustainability of an automobile.  One of the recent avenues is the investigation of increased performance engineered materials to replace the conventional materials. In this study product development of engineered material - component is explored. To achieve a sound product development, new integrated product development framework which utilized simultaneous approach is developed. The framework is referred to as Integrated Conceptual Selection (ICS) which streamlines the phases in the product development process, including product investigation, product specification and conceptual design.  
Product Development using Kansei Engineering to Re-design New Food Packaging Nanang Fatchurrohman; Mutiara Yetrina; Rifki Muhida; Anggi Hidayat
Jurnal Teknologi Vol. 12 No. 1 (2022): Jurnal Teknologi
Publisher : Universitas Putra Indonesia YPTK Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (266.757 KB) | DOI: 10.35134/jitekin.v12i1.60

Abstract

In the era of high market competition, product development must implement excellent innovation and responsiveness toward customer needs. One of the tools that had been successfully applied to support this objective is Kansei Engineering. Kansei is a Japanese word that refers to perception, impression, and feeling. Kansei Engineering is the process to collect product information based on the psychological emotions and feelings of customers. These represent customers' general impressions and emotions towards certain products or services which are then translated into characteristic designs. In this research, the researcher uses the Kansai engineering is applied to design new packaging for West Sumatra Sanjai Chips produced by local small-medium enterprise (SME). In processing the data, the researcher carried out a sampling technique, determining the number of respondents with the number of respondents being 100 in the first stage and 15 respondents in the second stage. From the first stage, eight Kansei words were collected. Followed by the second stage which was able to classify the most significant Kansei words based on the customer opinions. It was demonstrated from the investigation that new packaging was designed. With the new design it is expected that customers will become more aware and attracted to purchase the product.
Investigation of Metal Matrix Composites Aluminium Reinforced Graphite Particles Produced Using Powder Metallurgy Nanang Fatchurrohman; Anis Nabilah Binti Mamat; Mutiara Yetrina; Rifki Muhida
Jurnal Teknologi Vol. 12 No. 2 (2022): Jurnal Teknologi
Publisher : Universitas Putra Indonesia YPTK Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (250.443 KB) | DOI: 10.35134/jitekin.v12i2.70

Abstract

Many industries have been in demand for metal matrix composites (MMC), especially in the aerospace and automotive sectors. The advancement of MMC is being investigated to improve the material's mechanical properties. MMC is a composite material consisting of at least two materials. One of them would act as a matrix, and the other materials would serve as reinforcement. MMC allows for overcoming the specific limitations of metallic and ceramic materials by blending their mutually exclusive property profiles. The main objective of this research is to successfully fabricate aluminium and graphite metal matrix composites using powder metallurgy. In this research, powder metallurgy was used, where aluminium and graphite were blended according to the sample volume ratio. Both graphite and aluminium were in the form of metal powder. Graphite powder with each ratio of volume percentages of 0%, 1.5%, 3%, 4.5%, and 6% was mixed with aluminium powder. The blended material is produced by powder metallurgy via the compaction process using the hydraulic press brake machine. Subsequently, the compacted sample was sintered using a laboratory furnace at 600°C for 4 hours. The mechanical tests show that the highest tensile strength and Young's modulus were obtained by MMC aluminium – 1.5 % volume graphite. While for the highest hardness was achieved by aluminium – 4 % volume graphite.   
Surface Modification on Magnesium Alloys’ Hardness and Microstructure Using Friction Stir Processing – A Review Zuhairah Zulkfli; Zamzuri Hamedon; Nanang Fatchurrohman
Jurnal Teknologi Vol. 13 No. 1 (2023): Jurnal Teknologi (Accepted)
Publisher : Universitas Putra Indonesia YPTK Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35134/jitekin.v13i1.91

Abstract

Low density of magnesium-based alloy is one potential as the lightest structural material for light weight-high strength applications for automotive and aerospace. Severe plastic deformation (SPD) together with thermomechanical processing are proved to be a successful method for attaining desired microstructural modifications through achieving fine and highly misoriented microstructures and creating various structures to the bulk properties of magnesium alloy. The material's deformation can result in an altered microstructure that is gainful to the material's requirements. However, the poor deformability of magnesium and its alloys limits the application of the thermomechanical approach. Controlling over temperature and deformation rate is hard to achieve. Among the thermomechanical processes, friction stir processing (FSP) offers an easy way to achieve process stability and mechanical properties enhancement by heat treatment which results in the closure of porosity and refined grain size. During this process, heat is generated by the rotation of the FSP processing tool. Few process parameters such as rotational and traverse speeds should be controlled to make FSP stay within the defined processing condition. It is critical to set the right tool rotational speed as well as traverse speed to ensure adequate heat generation. As there are no established standards for operating the FSP, the only solution is to experiment with different settings to find the best parameter which will produce better quality on processed magnesium alloy workpiece. This paper explores earlier studies on surface modification via FSP technique to improve the mechanical properties strengthening of magnesium alloy mainly on grain size and hardness. The surface modification was done mostly on popular series of magnesium alloy (AZ series) using different tool material, tool geometry and different parameters combination. A comprehensive view of surface modification on magnesium alloys which includes the FSP tool and workpiece material used, variations of FSP parameters settings as well as the effect on hardness and microstructure analysis will be discussed.
Sosialisasi Pengembangan Desain Produk Baru Kerajinan Akrilik Nanang Fatchurrohman; Mutiara Yetrina; Mohammad Farid
Jurnal Pengabdian Masyarakat Dharma Andalas Vol 2 No 1 (2023): Jurnal Pengabdian Masyarakat Dharma Andalas
Publisher : LPPM Universitas Dharma Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jpmda.v2i1.1004

Abstract

The initial survey has been conducted by our team in the Acrylic Craft Thematic Village Gunung Pangilun, Padang City, which we abbreviate as “Kampung Akrilik”. From interviews with local artisans, our team realized that the marketing of SME products in this village has not been fully optimized, primarily due to a lack of product variety offered. Faced with this issue, our team felt challenged to contribute by helping direct the artisans to focus on developing products that align with the needs and preferences of potential buyers. Furthermore, we also identified the necessary raw materials and equipment required to create the previously identified new products. Once the new products were identified, the next step was to organize a socialization event. This socialization includes the techniques for creating the new products, such as 3D printing. Through this Community Service project, we hope to revitalize productivity in Acrylic Village. We aim to assist the local community in increasing their product sales and achieving an overall improvement in sales volume.
Co-Authors Adelino, Muhammad Ilham Anggi Hidayat Anis Nabilah Binti Mamat Fitri, Meldia Gan Wei Kang Jufriadif Na`am, Jufriadif Low Tze Chin M. Ilham Adelino Meldia Fitri Mohammad Farid Mutiara Yetrina Omia Crefioza Rifki Muhida Susriyati Zamzuri Hamedon Zuhairah Zulkfli