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Journal : Jurnal Rekayasa Mesin

Perbedaan Struktur Mikro, Kekerasan, dan Ketangguhan Baja HQ 705 Bila Diquench dan Ditemper pada Media Es, Air dan Oli Darmawi Bayin; M Amin Indra Putra
Jurnal Rekayasa Mesin Vol. 9 No. 1 (2009): Jurnal Rekayasa Mesin
Publisher : Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jrm.v9i1.2

Abstract

This research is aim to analyze the effect of quench at difference medium on the hardness and the impact of HQ 705 steel which is as similar as AISI 4340 with 0.38 – 0.43% C; 1.82% Ni; 0.5% - 0.8% Cr and 0,25% Mo. HQ 705 steel is heated to austenite temperature of 8500 C and hold as long as 15 minutes and cooled at the difference mediums, which is water, ice and oil. After that, the steels being tempered at temperature of 5500 C and hold as long as 30 minutes, and then again cooled. Finally, the specimens are tested to find hardness, toughness and microstructure. Through this research, we find the increase of hardness, from 33.4 HRC at no treatment to 56 HRC at cooling in water, 40.3 HRC at cooling in oil.
Co-Authors A, Yufrizal Ademi, Gressha Vionalle Aini, Sabrina Ambiyar, Ambiyar Amiruddin Amiruddin Anas, Marnisyah Aneka Firdaus Angraini, Nani Angreini, Meliyantika Annisa, Aiza Apriyan, Dian Arenja, Regina Trisya Arman Sayuti Arsih, Ulfi Widi Arwizet Arwizet, Arwizet Awaluddin Awaluddin Beočanin, Anđelija Budi Syahri budianto panjaitan Chatarina Umbul Wahyuni Dion, Selin Dwinna Aliza Dwisnu, Erlian Erianza, Dava Erwin Erwin Etriwati E Fadhil Fuad Rachman Ferdian, Riyan Giovani, Edo Habibie, Maulana Hasan, Denny Irmawati Hasan, Maryatun Helmi, T. Zahrial Heni Pujiastuti Husni Hidayat Irwin Bizzy Jamil, Kurnian Fitri Khairussyifa, Najmi Kurnia F. Jamil Kusuma, Herwin Wijaya Lalu Muhammad Irham Liansyah, Tita M. M Amin Indra Putra M. Nur Salim M. Syukri Ismail Maimun Syukri, Maimun Maryanti, Yossi Moliwati, Moliwati MS, Firdaus Mukamal, M. Farda Insan Muslim Akmal N. Nazaruddin Nathania, Auren Ningrum, Sania Devita Nora Usrina Nurhaspika, Nurhaspika Nuzul Asmilia Pangaribuan, Machyuddin Tumpak Marojahan Prawana, Yogi Ramadhani, Fitria Sari Razali Daud Razali, Renardy Reza S, Donel Safika S, Safika Saud, Eddy Setiawan, Sepdirama Sibuan, Sibuan Siti Aisyah Solly Aryza Sugeng Prasetyo Sugito - Suhandri, Wiwin Sukma, Zahwa Tamara Sumanto Sumanto Suparno Suparno Syafruddin Syafruddin Tabrani, Tabrani Taufiq Taufiq Ummu Balqis Usman, Said Wenny Novita Sari Winarto Winarto Wirawan Adikusuma Wiwit Ade Fidiawati Yenni Yusriani Yuliani Yuliani Zahra, Leina Putri Zamzami, Rumi Sahara Zikra, Izza Fattalia Zulkifli, Baidillah Zuraidawati Zuraidawati, Zuraidawati