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- Title
The Effect of Heat Treatment on the Hardness of Medium Carbon Steel.
- Authors
Sultan, Jamal Nayief; Yahya, Iman Zaidan Alshih; Karash, Emad Toma; Najem, Majid Khaleel
- Abstract
When a suitable balance of hardness, strength, and toughness is required in civil engineering and construction, wear-resistant medium carbon steels are frequently utilized. The ability to resist plastic deformation brought on by stress or abrasion is measured by hardness. High hardness materials are typically more brittle and prone to fracture but also stronger and more resistant to corrosion. A double-quenching procedure was used in the current investigation and contrasted with the traditional single-quenching process. Additionally, a variety of cooling media are used during quenching treatments. The results demonstrate that distilled water is the most effective cooling medium to cool the models in the heat treatment of medium carbon steels because it is free of salts, suspended particles, and metal contaminants. The results show that the hardness increased following the first quenching and tempering by 37.5% above the hardness value predicted by the original model, and it increased once more following the second quenching and tempering by 10% over the hardness value following the first heat-treatment. The previous austenite grain limits and the high-angle beam limits are the main factors that give a share in to the increased hardness, and the main elements that affect how effectively they function are the high slip transmission factor and the high spacing angle between slip levels.
- Subjects
CARBON steel; MATERIAL plasticity; HEAT treatment; BRITTLE fractures; STRAINS &; stresses (Mechanics)
- Publication
Journal of Composite & Advanced Materials / Revue des Composites et des Matériaux Avancés, 2024, Vol 34, Issue 4, p417
- ISSN
1169-7954
- Publication type
Article
- DOI
10.18280/rcma.340403