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All Journal Journal of Mechanical Engineering Science and Technology Jurnal Ilmiah Sport Coaching and Education Jurnal Teknologi dan Rekayasa Alat Berat (JTRAB)
Nugroho Santoso
Program Studi Diploma Teknik Mesin Sekolah Vokasi Universitas Gadjah Mada Yogyakarta
Automotive Engineering Control & Systems Engineering Education Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Other

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Journal : journal of mechanical engineering science and technology

 1 
New Design of Aluminum 6061 Welding Joining Using Friction Stir Welding Method Setiawan, Widia; Santoso, Nugroho; Surojo, Surojo
Journal of Mechanical Engineering Science and Technology (JMEST) Vol 4, No 2 (2020)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um016v4i22020p135

Abstract

Parallel, lap, corner, and T joints are commonly used in fusion welding and solid welding. Other joints made are lap and butt joint. This study aims to evaluate a new design of fitting model single U and double U for friction stirr welding of Aluminum. Aluminum sheet 6061with a thickness of 10 mm, will be cut to a length of 150 mm and a width of 100 mm, then a locking groove will be made with an inner size of 5 mm and a length of 150 mm The flow is used to be paired in the FSW process. This experiment results show the high tensile strength that occurs in the double joint u, is 13.4 kN while the average is 12 kN. Single connection experiment u the highest tensile strength is 12.89 kN, while the average value is 10.37 kN. The hardness is higher in double u joints compared to single u joints.
Mechanical Properties of Corner Lap-45 Types Joined Using Friction Stir Welding Setiawan, Widia; Santoso, Nugroho; Winarto, Felixianus Eko Wismo; Krisnaputra, Radhian; Mandala, Wirawan Widya; Maulana, Jibril
Journal of Mechanical Engineering Science and Technology (JMEST) Vol 8, No 1 (2024)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um016v8i12024p178

Abstract

Solid welding has always been concerned with probe design, pins, and joint strength. Many researchers have conducted studies on joints, such as butt joints, lap joints, and T joints, but the results show low strength. This study analyzes the mechanical properties of a new design of a 90o angle joint joined by friction stir welding. This study connected aluminum 6061 using the friction stir welding method using a rectifying jig and a probe with EMS 45 material. The corner joint designs used corner-lap 45 with feed rate as independent variables in 6, 8, 10, 15, and 30 mm/min and dependent variable probe rotation speed at 1000 rpm and shoulder pressure in 584 kg. The results show low feed rates create chips and fish fins on the advancing side, and microstructure test results at low feed rates (6-15 mm/min) indicate the presence of interface bonding. The hardness value of the stir zone also shows an insignificant increase. In the tensile test results, the tensile strength decreases from the base metal value, which then the tensile strength increases along with the increase in feed rate up to a feed rate of 15 mm/min and decreases again at a feed rate of 30 mm/min.
Lap Joint on St.37 Steel Plate with Friction Welding Clamping Method Setiawan, Widia; Santoso, Nugroho; Wiyadi, Wiyadi; Aji, Muhammad Sulistiyo; Alamin, Rachmat; Tarmudi, Achsan
Journal of Mechanical Engineering Science and Technology (JMEST) Vol 7, No 1 (2023)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um016v7i12023p047

Abstract

Friction stir (FW) welding is a relatively fresh method that was created and has been continually refined and adapted to industrial applications due to its benefits. This approach for solid-state joining entails connecting the components at a temperature below their melting point and then heating them up. Clamp joint applications are widely used using external heating and hitting with high strength, but the clamped joints with the FW method are rarely done. The research studied the characteristic of clamped joints at various plate thicknesses using the FW method. In this study, 30 specimens were used in the form of a St.37 low carbon steel plate with a size of 50 mm x 100 mm and a thickness of 3 mm, 5 mm, and 9 mm, and several holes were made with a diameter of 5 mm. The plate was connected by 2 clamps, and 4 clamps then the FW method was conducted in a milling machine. The results indicate that the plates were connected well. The highest hardness value was 256.4 VHN on the FW of 9 mm plate. The microstructure is dominated by ferrite and a little pearlite phase. The largest shear force is 66.54 kN obtained at 4 clamps with a plate thickness of 9 mm, and the lowest is 13.46 kN, obtained at 2 clamps with a plate thickness of 3 mm.
Co-Authors Aji, Muhammad Sulistiyo Alamin, Rachmat Aldi Lavandida Utama Budi Basuki Ignatius Aris Hendaryanto Jibril Maulana Leo Adi Saputra Lilik Dwi Setyana Mandala, Wirawan Widya Marison, Roy Widyonarto Matakupan, Octavianus Radhian Krisnaputra Setiawan, Widia Setiawan, Widia Suharnadi, Bambang Surojo, Surojo Tarmudi, Achsan Winarto, Felixianus Eko Wismo Wiyadi Wiyadi