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All Journal Jurnal Teknik Mesin Indonesia Prosiding SNTTM
Ade Bagdja
Universitas Pasundan
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Pengembangan proses manufaktur tempa dingin untuk  paku ladam kuda Ade Bagdja; Gatot Santoso; Rachmad Hartono; Dedi Lazuardi; Farid Budi Nurfajar; Adi Muhammad; Ahmad Wijaya; Muhammad Andre Fadillah; Arnold Muhammad Radiansyah; Sandi Alfriagi; Rahmat Hidayatullah; Fajar Ariffalah
Jurnal Teknik Mesin Indonesia Vol 21 No 1 (2026): April
Publisher : BKS-TM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71452/jtmi2112026107

Abstract

Peminat Cabang olahraga Pacuan Kuda semakin meningkat di Indonesia. Perlengkapan yang digunakan oleh kuda salah satunya adalah Paku Ladam Kuda. Paku Ladam Kuda digunakan untuk menempelkan ladam pada kuku kuda seperti sepatu pada manusia. Paku Kuda ini masih diimpor. Permasalahan utama adalah teknologi yang dikuasai para Pandai Besi tradisionil, sehingga kualitas produk paku ladam kuda nya kurang konsisten. Untuk menjawab kebutuhan ini, dirancang rangkaian penelitian untuk mengembangkan proses manufaktur tempa dingin paku ladan kuda  yang dapat diimplementasikan oleh para Pandai Besi di Indonesia. Pada Penelitian ini dikembangkan satu set peralatan produksi untuk membuat paku ladam kuda yang terdiri dari satu (1) Drop Hammer serta enam (6) set pasangan cetakannya. Dari enam (6) set cetakan, terdiri dari satu (1) cetakan upsetting, dua (2) cetakan trimming dan empat (4) cetakan tempa dingin. Material cetakan menggunakan Baja S45C serta untuk paku ladam kuda menggunakan kawat timah Pb. Pengujian dilakukan pada 200 spes.imen awal untuk proses tempa I, tempa II, dan tempa III menghasilkan keberhasilan proses tempa sebesar 90%.
Manufacturing of duplex stainless steel using local material ferronickel on laboratory scale Ade Bagdja; Riyan Marlina
Prosiding SNTTM Vol 23 No 1 (2025): SNTTM XXIII October 2025
Publisher : BKS-TM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71452/n80ed832

Abstract

The study aims to manufacture a duplex stainless steel in laboratory scale using local ferronickel as the main alloying material. The melting process was carried out using the Electric Arc Furnace (EAF) method using three variations of material composition: (1) Fe-Ni 40%, Fe 35%, Cr 25%; (2) Fe-Ni 42%, Fe 33%, Cr 25%; (3) Fe-Ni 38%, Fe 33%, Cr 25%. Tests carried out included microstructure, Vickers hardness, and chemical composition. Microstructure testing showed that all specimens formed two main phases, namely ferrite and austenite. Hardness testing of the three specimens: (1) 217.70 HV; (2) 239.22 HV; (3) 221.52 HV. Chemical composition testing showed that all specimens had a Cr content of 19.7% - 22.3% and Ni 8.52% - 9.75%. Mapping of the chemical composition of each test specimen on the Schaeffler diagram shows that all specimens are in the duplex stainless steel region. Furthermore, specimen 2 shows the best phase balance with the highest hardness value of 239.22 HV. This study proves that local ferronickel can be used as an alternative alloying material in the production of duplex stainless steel.
Co-Authors Adi Muhammad Ahmad Wijaya Arnold Muhammad Radiansyah Dedi Lazuardi Fajar Ariffalah Farid Budi Nurfajar Gatot Santoso Muhammad Andre Fadillah Rachmad Hartono Rahmat Hidayatullah Riyan Marlina Sandi Alfriagi