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Journal : Teknika

ANALISIS KEKUATAN TARIK DAN KEKUATAN LULUH PELEBURAN ALUMINIUM PISTON BEKAS BERDASARKAN NILAI KEKERASANNYA UNTUK APLIKASI MATERIAL KAKI PALSU Al Hassany, Ibnu Rosyid; Nurdin, Akhmad; Lutiyatmi, Lutiyatmi; Paundra, Fajar
Teknika Vol 9 No 1 (2024): April 2024
Publisher : Pusat Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52561/teknika.v9i1.315

Abstract

The majority of prosthetic leg products currently circulating in Indonesia are imported and made from stainless steel. Even though it has several advantages, the price and production costs are relatively expensive. So, it is necessary to introduce other materials to make the prosthetic legs more affordable. One alternative material is aluminum. Aluminum material can be fulfilled by recycling used aluminum. This research conducted a study on the tensile strength and yield strength of remelting used aluminum pistons based on the hardness value. The research material is aluminum from used pistons from large vehicles (buses or trucks) mixed with 20% silicon aluminum. Specimens with a target silicon (Si) content of 12%, 14%, and 16% were cast using a sand mold using the closed mold casting method. The Brinell hardness test refers to ASTM E10-15. The reference for the feasibility of melting as an alternative material is that its yield strength must be greater than the maximum stress on the prosthetic leg, which is 153 N/mm2. The average hardness for the Si 12%, Si 14%, and Si 16% samples is 87.35 HB, 101.01 HB, and 112.03 HB, respectively. The tensile strength for the Si 12%, Si 14%, and Si 16% samples is 125.30 N/mm2, 175.33 N/mm2, and 215.44 N/mm2. The yield strength of the Si 12%, Si 14%, and 16% samples is 80.02 N/mm2, 112.75 N/mm2, and 138.47 N/mm2. The melting results for the three samples cannot yet be applied to prosthetic limb materials because the yield strength is lower than the maximum stress that occurs.
Co-Authors Abdul Muhyi Aisiah, Nisa Al Hassany, Ibnu Rosyid Anas Maulana Angger Bagus Prasetiyo Angger Prasetiyo, Bagus Atina, Vivin Zulfa Azam Akmal Nur Irsan Bambang Irawan Bramono Pandu Bramono Pandupradityo Catur Pramono D, Febri Budi D., Henanto Pandu Darsono, Febri Budi Dwi Aries Himawanto Dwi Aries Himawanto Dwi Aries Himawanto Dwi Aries Himawanto Eko Pujiyulianto Fahrezi, Wibi Adrian Fajar Paundra Fajar Paundra Fajar Perdana Nurrullah Fajri Kurniawan Febri Budi Darsono H., Rino Hamid Abdillah Hariningsih, Hariningsih Hasan Bisri Hasan Bisri Bisri Hassany, Ibnu Rosyid Al Hidayat, Rosyidi ibnu rosyid al hassany al hassany Ida Ayu Putu Sri Widnyani Ida Bagus Dharmawan, Ida Bagus Indriyani Indriyani Iqbal Zulfikar Alief Utama Irfan, Angga Ismail, Pitrah Rapi J. Istiyanto Joko Istiyanto K, Putra Andi Khasanah, Sabtun Ismi Laksono Trisnantoro Larasanto Larasanto Lilik Patonah Lutiyatmi Lutiyatmi Lutiyatmi, Lutiyatmi Mahmudi, Anas Yusuf Maulana Aziz Hidayanto Muhammad Munadi Muhammad Munadi Muhammad Rizky Hikmatullah Muhsin Muhsin Muhsin Muhyi, Abdul N, Fajar Perdana N, Muhammad Dwi Nugraha, Rifval Arya Nur Wahid, Nur Nurhadi . Nurhadi Nurhadi Pandupradityo, Bramono Paundra, Fajar Puguh Elmiawan Putty Yunesti Rafidan Triadji Ridwan Afandi Ridwan Afandi Rusiyanto Rusiyanto, Rusiyanto Rustam Sidiq S, Ardi Bagus S, Farid Nanda S. I. Khasanah S. N. Muhammad Sabtun Ismi Khasanah Sanusi, Arizal Ikhsan Setiawan, Faizal Shevalinzi, W. B. A. Sidik, M.farhan Sidiq, Rustam Sinta Rizky Anggraini Sri Hastuti Sri Hastuti Sudibtia Titio Koin Suparni Suparni Syamsudin, Arif Syamsul Hadi Syamsul Hadi Syamsul Hadi Hadi Tri Daryanto Tri Daryanto W.B. A. Shevalinzi Wahyu Anhar C Putra Wibowo, Rheza Ari Xander Salahudin Yasmin, Dzikrina Salsabila Yudi Kurniawan Yusuf Mahmudi, Anas Zulfa Atina, Vivin Zulfikar Alief Utama, Iqbal Zulfikar, Iqbal