激光硬化对低合金钢力学、摩擦学和腐蚀性能的影响

IF 0.9 4区材料科学 Q3 METALLURGY & METALLURGICAL ENGINEERING

Journal of Mining and Metallurgy Section B-Metallurgy Pub Date : 2023-01-01 DOI:10.2298/jmmb230209022a

O. Albahlol, H. Çuğ, Y. Akgul, A. K. Eticha, A. Incesu

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引用次数: 0

摘要

本研究重点研究了AISI 4340、AISI 5140和AISI 8620合金钢的机械、摩擦学和腐蚀行为。根据精心进行的试验，得出所有钢种的最佳激光硬化参数为4 mm/s扫描速度和1300?C表面温度。进行了显微组织变化、维氏硬度作为力学性能和摩擦学性能的往复磨损试验。此外，还进行了腐蚀试验。试验结果表明，所有激光淬火钢的最大硬度出现在表面以下50 ~ 300 μ m处。此外，本研究还发现，激光淬火可以提高钢的耐磨性。本研究还确定了激光硬化对提高AISI 4340钢的耐腐蚀性能有积极的影响。相反，AISI 8620钢的耐蚀性能下降了54.17%。

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Effect of laser hardening on the mechanical, tribological and corrosion properties of low alloy steels

This research focuses on studying the mechanical, tribological, and corrosion behaviors of alloy steels: AISI 4340, AISI 5140, and AISI 8620 by laser hardening, respectively. In light of the tests which have been carried out meticulously, it is concluded that the optimum laser hardening parameter for all steel grades is 4 mm/s scanning speed and 1300?C surface temperature. Micro-structural changes, Vickers hardness as mechanical properties, and tribological properties with reciprocating wear tests have been carried out. Furthermore, corrosion tests have been conducted. The test results reveal that the maximum hardness appears 50-300 ?m below the surface for all laser-hardened steels. In addition, this study finds out that the wear resistance of steel is enhanced by the implementation of laser hardening. This study also determines that laser hardening has a positive impact on lifting the corrosion resistance behavior of AISI 4340 steel. Conversely, the corrosion resistance properties of AISI 8620 steel were reduced nearly by 54.17%.

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来源期刊

Journal of Mining and Metallurgy Section B-Metallurgy 工程技术-冶金工程

CiteScore

2.00

自引率

40.00%

发文量

审稿时长

2 months

期刊介绍： University of Belgrade, Technical Faculty in Bor, has been publishing the journal called Journal of Mining and Metallurgy since 1965 and in 1997 it was divided in two independent journals dealing with mining and metallurgy separately. Since 2009 Journal of Mining and Metallurgy, Section B: Metallurgy has been accepted in Science Citation Index Expanded. Journal of Mining and Metallurgy, Section B: Metallurgy presents an international medium for the publication of contributions on original research which reflect the new progresses in theory and practice of metallurgy. The Journal covers the latest research in all aspects of metallurgy including hydrometallurgy, pyrometallurgy, electrometallurgy, transport phenomena, process control, solidification, mechanical working, solid state reactions, materials processing, surface treatment and relationships among processing, structure, and properties of materials.