Effect of heat treatment on the mechanical and structural properties of X155CrVMo12-1 steel

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Date

2025

Authors

Stamenković, Uroš
Marković, Ivana
Mladenović, Srba
Manasijević, Dragan
Milanović, Petar
Nedeljković, Milan

Journal Title

Journal ISSN

Volume Title

Publisher

Univerzitet u Zenici, Fakultet inženjerstva i prirodnih nauka

Source

Book of abstracts with electronic edition of Proceedings - 15th Scientific - Research Symposium with International Participation, Metallic and Nonmetallic Materials – Production, Properties, Application, 24th–25th April 2025, Zenica, Bosnia and Herzegovina

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Abstract

This paper investigates the effects of oil quenching and tempering at various temperatures on the mechanical and structural properties of X155CrVMo12-1 tool steel. The steel specimens were austenitized at 1030 °C for half an hour, followed by quenching and tempering at different temperatures. Mechanical properties were assessed by measuring the hardness of the samples after each heat treatment. Using the conversion formula, the tensile strength values were calculated based on the measured hardness. Structural changes were analyzed using optical microscopy. The results indicate that the highest hardness values were achieved after the quenching process. However, an increase in tempering temperature led to a decrease in hardness. Optical microscopy revealed that quenching caused the appearance of martensite in the microstructure, while tempering at various temperatures caused alterations in the martensite structure.

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Keywords

X155CrVMo12-1 steel, microstructure, quenching, hardness, tempering

Citation

DOI

Scopus

ISSN

2566-4352

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ARR

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