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Vol.2, No.2, 2023: pp.64-70

AUSTENITIC STAINLESS STEEL AND MARTENSITIC TRANSFORMATION IN WELDED HIGH-HARDNESS ARMOR STEEL

Authors:

Aleksandar Čabrilo1
, Nenad Janjić1
, Vladimir Blanuša1

, Miloš Jovanović2

1The Higher Education Technical School of Professional Studies, Novi Sad, Serbia
2Welding Institute, Ljubljana, Slovenia

Received: 26 December 2022
Revised: 5 April 2023
Accepted: 17 May 2023
Published: 30 June 2023

Abstract:

An austenitic filler material is traditionally used for welding armor steels, thus avoiding the negative effect of hydrogen content due to slow diffusion towards the sensitive fusion line. For heavy structural engineering such as armored military vehicles, which are frequently affected by impact and dynamic load, it is crucial to know the dynamic properties of the most sensitive area of welded joints, the weld metal zone. Due to a significant interest in quantifying material resistance to crack initiation and propagation, the fatigue crack growth rate was measured in the welded metal zone, while the resistance to crack growth in the weld metal was tested by the amount of austenite transformed into martensite. Accordingly, the threshold stress concentration factor was 10 MPa m1/2. XRD spectral analysis revealed a direct transformation of γ – austenite into α’ – martensite.

Keywords:

Armor steel, fatigue crack growth, austenitic stainless steel, austenitic filler material, martensitic transformation, welding, armored military vehicles

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© 2023 by the authors. This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0)

Volume 2
Number 4
December 2023.

 

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How to Cite

A. Čabrilo, N. Janjić, V. Blanuša, M. Jovanović, Austenitic Stainless Steel and Martensitic Transformation in Welded High-Hardness Armor Steel. Advanced Engineering Letters, 2(2), 2023: 64–70.
https://doi.org/10.46793/adeletters.2023.2.2.4

More Citation Formats

Čabrilo, A., Janjić, N., Blanuša, V., & Jovanović, M. (2023). Austenitic Stainless Steel and Martensitic Transformation in Welded High-Hardness Armor Steel. Advanced Engineering Letters2(2), 64–70. https://doi.org/10.46793/adeletters.2023.2.2.4

Čabrilo, Aleksandar, et al. “Austenitic Stainless Steel and Martensitic Transformation in Welded High-Hardness Armor Steel.” Advanced Engineering Letters, vol. 2, no. 2, 2023, pp. 64–70, https://doi.org10.46793/adeletters.2023.2.2.4.

Čabrilo, Aleksandar, Nenad Janjić, Vladimir Blanuša, and Miloš Jovanović, 2023. “Austenitic Stainless Steel and Martensitic Transformation in Welded High-Hardness Armor Steel.” Advanced Engineering Letters 2 (2): 64–70. https://doi.org/10.46793/adeletters.2023.2.2.4.

Čabrilo, A., Janjić, N., Blanuša, V. and Jovanović, M. (2023). Austenitic stainless steel and martensitic transformation in welded high-hardness armor steel. Advanced Engineering Letters, 2(2), pp.64–70. doi: 10.46793/adeletters.2023.2.2.4.