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Gunawan Dwi Haryadi
Department Of Mechanical Engineering, Universitas Diponegoro, Jl. Prof. Sudarto, SH, Tembalang, Semarang, Indonesia 50275
Automotive Engineering Computer Science & IT Control & Systems Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Journal : Jurnal Polimesin

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Evaluation of stress–relieving heat treatment on mechanical properties and microstructure of friction-welded JIS S45C steel Susanto, Alexander Eka; Haryadi, Gunawan Dwi; Haryanto, Ismoyo; Sulardjaka, Sulardjaka; Nugroho, Sri; Ekaputra, I Made Wicaksana
Jurnal Polimesin Vol 23, No 3 (2025): June
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v23i3.6522

Abstract

This research evaluates the effect of stress-relieving post-weld heat treatment (PWHT) on the mechanical properties and microstructure of friction-welded JIS S45C steel joints. The PWHT was conducted at 500 °C for 1 hour. Tensile and Vickers microhardness tests were performed on both as-welded and heat-treated specimens. The tensile tests showed that fracture consistently occurred in the base metal, confirming good weld quality. Stress-relieved specimens showed a 3% increase in elongation compared to the as-welded condition, indicating improved plasticity. The Vickers microhardness tests revealed around 10% decrease in hardness at the weld center zone (from 293 HV to 267 HV) and heat-affected zone (from 245 HV to 224 HV) after treatment. Metallographic observation indicated coarsening of the pearlite phase due to thermal exposure.
Co-Authors A.P. Bayu Seno Adhityo Sarwo Nugroho Adibawa, Adham Adhwa Adityo Ristyanto Agus Suprihanto Agus Suprihanto Agus Suprihanto Agus Suprihanto Agus Tri Hardjuno Agus Tri Hardjuno Agus Tri Hardjuno Agy Randhiko Al Azis, Bimasakti Sulthan Amrizal, Abdi Gilang Andrea Tri Wibowo Arijanto Arijanto Arya Erlangga Athanasius Soedira Aulia Rahman Berlin, Rilo Billy Boazter Sebastian Siregar Bintang Satria Hartadi Budi Setiyana Butarbutar, Martin Chrisman Chrisman Deivandra Ginanjar Bhakti Deka Setyawan Diwonsyah, Fadel Muhammad Djarot B Darmadi Djoeli Satrijo Dwi Basuki Wibowo Dwi Basuki Wibowo Ekaputra, I. M. W. Eko Saputra Farhani, Ilham Fakhri Fidrioza Althaf Ferdinand Fitriyana, Deni Fajar Garry Rahadian Muslim Glenn Natanael Samudera Grandy Yustisio Rizaldi Ginting Haira, Mahmuda Hanif, Dimas Naufal Hanifa, Kana Hanny Widura Septriana Harlian Kadir Heru Danarbroto Hocky Adiatmika Huda Fathu Rohman I Made Wicaksana Ekaputra I.M.W EKAPUTRA Ian Wiharja Ian Yulianti, Ian Ignatius Devin Gunawan Ikhsan Aresy Ismoyo Haryanto Ismoyo Haryanto Jericho Jericho Joga Dharma Setiawan Joshua Misael Juan Pratama Anandika Karomi, Dimas Adib Khoiri Rozi Khoiri Rozi Khoiri Rozi Kim Jeon Korna Ariesta Kustomo, Himawan Kristian Kustomo, Himawan Kristian Lie, Calvin M Rafly Rafiqi Matheus Agung Putra Yoga Mhd. Brian Awiruddin Mochammad Ariyanto Mohammad Fauzan Muhammad Ali Yafi Muhammad Fachry Ramadhany Muhammad Fakhri Aji Pratomo Muhammad Zahran Ramadhan Munadi Munadi Norman Iskandar Norman Iskandar Nurul Widiyanto Ojo Kurdi Pratomo, Muhammad Fakhri Aji Purbonugroho, Hanindhieto Dias Andra Purwiantoro, Arman Rafi Ziyad Akbar Rando Tungga Dewa Reihan Rahmadi Rhyienaldi Hardian Dhammaputra Rifky Ismail Rusaily, A. Wildan Sadrach Othniel David Raja Seon Jin Kim Seon Jin Kim Setyoko, Adi Tri Sianipar, Daniel Sri Nugroho Sri Nugroho Stefanus Prasetyo Sulardjaka Sulardjaka Sumar Hadi Suryo Susanto, Alexander Eka Susilo Adi Widyanto Sutopo, Farrel Rico Alifta Utomo, Angelius Fredy Wahyu Eko Purnomo Waruwu, Kezia Gracelynn Wibisono, Yustinus Akas Yonathan Jalu Bagaskara Yusuf Umardani