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Effects of the sub-critical annealing in the microhardness and grain size of the AISI 12L14 steel
Dante Jesús Cajero Medina
JOSE MARTIN MELCHOR LEAL
Acceso Abierto
Atribución-NoComercial-CompartirIgual
2348-7968
https://ijiset.com/vol9/v9s2/IJISET_V9_I02_11.pdf
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AISI 12L14
Sub-critical annealing
Grain size
Microhardness
The motivation of this work aims to evaluate the effect of the sub-critical annealing on grain size and microhardness in AISI 12L14 steel. In this study, 12L14 cold-drawn low carbon steel machined specimens were heat-treated at different temperatures below the temperature of transformation from perlite into austenite (Ac1). The average grain size was measured according to the Heyn linear intercept method in ASTM E112. Microhardness was measured on the Vickers scale according to ASTM E384. Microhardness decreases and grain size increases as a function of sub-critical annealing temperature. The results show an important drop in microhardness from the sub-critical annealing temperature of 550°C. This reduction is due to recrystallization in the grains, which grow even larger with the increasing of sub-critical annealing temperature.
Srivilliputtur IJISET
2022
Artículo
International Journal of Innovative Science, Engineering & Technology (IJISET), vol. 19, no. 2, pág. 108-113
Inglés
Público en general
OTRAS
Versión publicada
publishedVersion - Versión publicada
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