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Journal : Civil Engineering Journal

Hardness Optimization of Heat Treatment Process of Bucket Teeth Excavator Suryo, Sumar Hadi; Adi Widyanto, Susilo; Paryanto, Paryanto; Mansuri, Aly Syariati
Civil Engineering Journal Vol 4, No 2 (2018): February
Publisher : Salehan Institute of Higher Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (866.142 KB) | DOI: 10.28991/cej-030992

Abstract

Excavator is heavy equipment that usually used in construction and mining works. Bucket teeth which are located in the tip of bucket excavator are used for digging works. They are easily damaged by direct contact with the media. One of the material used in bucket teeth excavator is mild carbon steel that has carbon content between 0.33%-0.5%. However, the hardness value of this material is not yet meets the standard of bucket teeth excavator so the optimum hardness value based on its heat treatment should be known. Besides that, its tensile, impact strength, and micro structure in optimum condition will also know. Optimization method was done through Taguchi experimental design with L9 orthogonal and ANOVA (Analysis of Variance). Factors or parameters in this research were heating temperature, holding time, quenching media, and tempering temperature. In this experiment, nine specimens of mild carbon steel were tested by different heating temperatures (850oC, 875oC, 900oC), different holding times (60, 90, and 120 minutes), different quenching medias (oil, water, and salt water), and different tempering temperatures (250oC, 450oC, 650oC). Calculation of Taguchi method and confirmation experiment showed that the optimum parameters of hardness are 875oC heating temperature, 60 minutes holding time, water quenching media, and 250oC tempering temperature. Meanwhile, ANOVA test showed a result that the four factors had an effect on the bucket teeth excavator hardness.
Co-Authors Aan Ardian Abimanyu, Candra AGUS PURWANTO Alim Harun Pamungkas Alqarni, Wais Andhi Nur Rahmadi, Andhi Nur Andrian Riyadi Ardianto, Aan Ari Diana Susanti, Ari Diana Aries Susanty Azalia Kartika Suri, Azalia Kartika Azhari, Fadlan Azizah, Rifo N Baskoro, Catur Hilman Adritya Haryo Bhakti Baskoro, Sefrian Imam Berkah Fajar TK Busairi, Achmad Desy Sulistyowati, Desy Dewi, Kristina Ratna Dian Retnaningdyah, Dian Dwi Budi Santoso Dyah Kusuma Dewi Eko Riswanto, Eko F, Nur Kholis Fadillah, Nuzulul Fathika, Rahma N Febrianto Amri Ristadi Felani, Muhamad Iqbal Firdausy, Farah Mutia Gito Sugiyanto Guterres, Natalino Fonseca D.S. Hanifa, Vina Hariana, Hariana Haryanto, Rifqi Hasnan Bachtiar Hermiyanto Hermiyanto Heru Mugiarso Ilham Roy Saputro, Ilham Roy Indrawan, Harry Intan Kusumawati Jati, Andika Seto Kuncoro Joga Dharma Setiawan Laela Khasanah, Isrofiah Lega, Michael Lutfiani, Rachmi Azizah Maghfi, Risya Ulayyar Mansuri, Aly Syariati Margono Margono Maryova, Frieska Maulana, Andra Mochammad Ariyanto Mohammad Samsul Bakhri Mohammad Tauviqirrahman Munadi Munadi Munyensanga, Patrick Muslim, Zulkifli Alif Nur Cahyo Nurwijayanti Penny Rahmawaty Pranolo, Sunu Herwi Pratama, Rakha Rahmadani Prismantoko, Adi Putra, Raka Mancini Putro, Wibisono Handoko Rahmadi, Kristian Jati Rahmanta, Mujammil Asdhiyoga Ramadhan, Rifky Daffa Ratih Pujiastuti Reto Ika Sundari, Reto Ika Ridwan Afandi Roni Permana Saputra Rossari, Meydiana Rusnaldy Rusnaldy Sachrul Iswahyudi Saputra, Calvin Darma Saputra, Nandika Aji Sarfilianty Anggiani, Sarfilianty Sari Ayu Wulandari Setiawan, Muhammad Farouk SETYAWAN, YOGA Setyawati, Rosana Budi Simalango, Antonius Simon Dicky Surya Sanjaya Soleh, Mochamad Sri Hastuti Sugeng Riyanto Sukis, Muhamad Sulardjaka Sulardjaka Sumar Hadi Suryo Supriyo Supriyo Surya, Rizqi Diaz Susilo Adi Widyanto Sutrisno AB, Joko Toriq, Sulthan Totok Apriyanto, Totok Triasdian, Yayak Trismianto, Devout Prakoso Wibowo, Angga Dwi Wijayanto, Ristyan Willy Arafah Willy Arafah, Willy Wusana Agung Wibowo, Wusana Agung Xander Salahudin