The effect of Ni on mechanical properties and austempered microstructure developments in cold rolled low carbon Fe-Ni lateritic steels

Muhammad Yunan Hasbi, Fatayalkadri Citrawati, Myrna Ariati

Research output: Contribution to journalConference articlepeer-review

2 Citations (Scopus)

Abstract

In this study, the effect of Ni and cold rolling reduction in lateritic steels was examined. Three alloys with various Ni content were subjected to the cold rolling process. The austenization and austempering were performed to the sample followed by air cooled. It was revealed that blocky areas of ferrite and cementite become finer with higher Ni content. The grains found to grow surrounding the rolling band at higher deformation level. The XRD showed that the 70% reduction tends to increase the formation of the α phase. The strength and hardness increases as the Ni content and deformation increase.

Original languageEnglish
Pages (from-to)229-234
Number of pages6
JournalMaterials Today: Proceedings
Volume13
DOIs
Publication statusPublished - 1 Jan 2019
Event6th International Conference on Advanced Materials Science and Technology, ICAMST 2018 - Semarang, Indonesia
Duration: 9 Oct 201810 Oct 2018

Keywords

  • Austemper
  • Cold rolled
  • Lateritic steels
  • Mechanical properties
  • Nickel

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