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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 Ade Dwi Utama Adrian Nur AGUS PURWANTO Agus Purwanto Agus Widyianto Agustinus Dimas Krisna Adi Nugroho Ajeng L. Puspitaningrum Alim Harun Pamungkas Alqarni, Wais Aminatun, Tien Anang Rosihan Andhi Nur Rahmadi, Andhi Nur Andrian Riyadi Andrian Wisnu Dewangga Angga Dwi Wibowo Ardianto, Aan Ari Diana Susanti Ari Diana Susanti, Ari Diana Aries Susanty Arrozi, Wahyu Asnawi Asnawi Asri Widowati Azalia Kartika Suri, Azalia Kartika Azizah, Rifo N Baskoro, Catur Hilman Adritya Haryo Bhakti Berkah Fajar TK Busairi, Achmad Cahyani, Yulinar Pramesti Cornelius Satria Yudha Desy Sulistyowati, Desy Dewi, Kristina Ratna Dian Retnaningdyah, Dian Dwi Budi Santoso Dyah Kusuma Dewi Eko Riswanto, Eko Endang Kwartiningsih Endang Mastuti Esa Nur Shohih F, Nur Kholis Fathika, Rahma N Fauzia Rahmadita Febrianto Amri Ristadi Febrianto Amri Ristadi Felani, Muhamad Iqbal Fendri Ferdian Firdausy, Farah Mutia Firstandika, Leader Fuady, Muhammad Iqbal Al Guterres, Natalino Fonseca D.S. Hanifa, Vina Hariana, Hariana Haryanto, Rifqi Hasnan Bachtiar Hermiyanto Hermiyanto Heru Mugiarso Himmah Sekar Eka Ayu Gustiana Ilham Roy Saputro, Ilham Roy Indrawan, Harry Jati, Andika Seto Kuncoro Jayani, Syahrul Aji Joga Dharma Setiawan Joko Waluyo Khasanah, Isrofiah Laela Kurnia, Heri Lega, Michael Lely Hendarti Lutfiani, Rachmi Azizah Maghfi, Risya Ulayyar Mahmudi, Ayub Mamok Suprapto Mansuri, Aly Syariati Margono Margono Maryova, Frieska Mochammad Ariyanto Mohammad Samsul Bakhri Monot Wicaksono Muhammad Fadilah Arsyad Muhammad Fardan Ibnu Aji Munadi Munadi Munyensanga, Patrick Muslim, Zulkifli Alif Nur Cahyo Nurcahyanti, Desy Nurwijayanti Orlanda Arya Hidayat Penny Rahmawaty Pranolo, Sunu Herwi Pranoto, Ibnu Singgih Pratama, Rakha Rahmadani Prismantoko, Adi Putra, Raka Mancini Putrikatama, Bintang Timur Putro, Firman Asto Qatrunada, I. R. Rachmadhani, Shafira Rachmi Azizah Lutfiani Rafindra Trisna Rahmadi, Kristian Jati Rahmanta, Mujammil Asdhiyoga Raka Mancini Putra Ramadhan, Rifky Daffa Ratri H. Hapsari Reto Ika Sundari, Reto Ika Rifqi Haryanto Rivaldo Zamara Roni Permana Saputra Rossari, Meydiana RR Laksistya Rania Nur Prita Maira Rusnaldy Rusnaldy 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 Suci, Windhu Griyasti Sudiyatno Sudiyatno Sugeng Riyanto Sukis, Muhamad Sulardjaka Sulardjaka Sumar Hadi Suryo Sunarso . Sunarso Sunarso Sunarta Supriyo Supriyo Surya, Rizqi Diaz Susilo Adi Widyanto Sutrisno AB, Joko Syamsul Mu’arif Subekhi Toriq, Sulthan Triasdian, Yayak Trismianto, Devout Prakoso Utomo, Wahyu Daut Waluya, Sonia Wibowo, Angga Dwi Widodo, Dwi Bagas Ongko Wigati, Sofiana Mukti Wijaya, Ayu Mustika Willy Arafah WINARTO Wusana A. Wibowo Wusana Agung Wibowo, Wusana Agung Yoga Guntur Sampurno Yudha, Cornelius Satria