Polymer Quenching of En9 Carbon Steel

Year : 2024 | Volume :15 | Issue : 01 | Page : 20-36
By

T.R. Vijayaram

S. Nithish

  1. Professor Department of Mechanical Engineering, School of Mechanical Engineering, BIST, BIHER, Selaiyur Tamil Nadu India
  2. Assistant Professor Department of Mechanical Engineering, School of Mechanical Engineering, BIST, BIHER, Selaiyur, Tamil Nadu India

Abstract

In this research, EN9 type of steels is selected to process the heat treatment by quenching to increase the hardenability of a material. EN9 steel is cut into small work samples with diameter 25mm and length 15mm to analyze. Then they are polished the cut surface in a fine manner. Microstructure and hardness are to be found for EN9 work pieces before heat treatment at different locations like at origin, 2.5 mm, 5 mm, 7.5 mm and 10 mm from origin. The cut work pieces are then placed in muffle furnace and heated at 810o – 840o, predetermined temperature range with soaking time 40 minutes. Then once they are heated, immediately they are quenched in a polymer quenchant (PVA) at different concentrations in a vessel by using tongs. Then, the microstructure and hardness is compared for EN9 material before heat treatment and after heat treatment with polymer quenching media to obtain the result. Graphs like location Vs hardness and polymer quenching media Vs average hardness were drawn.

Keywords: EN9, Heat treatment, polymer quenchant, poly vinyl alcohol, carbon steel

[This article belongs to Journal of Experimental & Applied Mechanics(joeam)]

How to cite this article: T.R. Vijayaram, S. Nithish. Polymer Quenching of En9 Carbon Steel. Journal of Experimental & Applied Mechanics. 2024; 15(01):20-36.
How to cite this URL: T.R. Vijayaram, S. Nithish. Polymer Quenching of En9 Carbon Steel. Journal of Experimental & Applied Mechanics. 2024; 15(01):20-36. Available from: https://journals.stmjournals.com/joeam/article=2024/view=148698




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Regular Issue Subscription Review Article
Volume 15
Issue 01
Received April 5, 2024
Accepted April 11, 2024
Published June 1, 2024