Cooling rate observation in quenching process using carbon nanofluids for S45C carbon steel

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Quenching process is the most important step in steel heat treatment as this process will determine the properties of the steel such as strength and hardness. Different cooling rate and thermal conductivity provided by the quench medium affect strongly to the mentioned steel properties. Recently, studies for nanoparticle added in the quench medium are developing rapidly. This nanoparticle added fluid is known as nanofluid and could affect the thermal property of the quench medium which ultimately changes the properties of the steel. The nanoparticle composition in nanofluid will affect its thermal property. In this research, carbon was used as the nanoparticle. The composition variations were 0.1, 0.3, and 0.5 weight percent in 100 ml distilled water. Pure distilled water was also used as a comparison control. Planetary ball-mill were utilized for 15 hours at 500 rpm to produce nano-sized carbon particle. Field-Emission Scanning Microscope (FE-SEM) and Energy Dispersive X-Ray (EDX) were used to check the particle size, shape and purity of the carbon nanoparticles. These nanofluids were then used to quench S45C carbon steels samples annealed at 1000°C for 1 hour. Samples were attached with a thermocouple which connected to temperature data logger to observe the cooling rate of the quench medium. The quenched samples were be tested to get the information of hardness and metallography analysis for supporting data.

Original languageEnglish
Title of host publicationMaterial and Manufacturing Technology X
EditorsMohd Hamdi Bin Abdul Shukor, Mohd Hamdi Bin Abdul Shukor, Vladimir Khovaylo
PublisherTrans Tech Publications Ltd
Pages13-17
Number of pages5
ISBN (Print)9783035715064
DOIs
Publication statusPublished - 1 Jan 2020
Event10th International Conference on Material and Manufacturing Technology, ICMMT 2019 - Kuala Lumpur, Malaysia
Duration: 26 Apr 201928 Apr 2019

Publication series

NameKey Engineering Materials
Volume833 KEM
ISSN (Print)1013-9826
ISSN (Electronic)1662-9795

Conference

Conference10th International Conference on Material and Manufacturing Technology, ICMMT 2019
CountryMalaysia
CityKuala Lumpur
Period26/04/1928/04/19

Keywords

  • Cooling rate
  • Heat treatment
  • Nanofluid
  • Nanoparticle
  • Quenching
  • Thermal conductivity

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