Characterization of AISI 304 stainless steel based on laser cutting process optimization.

A S Ali, Tamer Abdelmonem, Ramadan Elsoeudy, M Abdel Mohsen, N Elzayady

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Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

5 authors.

A S AliMechanical Engineering Department, Faculty of Engineering, Suez Canal University, Suez, 41522, Egypt.

Tamer AbdelmonemMechanical Engineering Department, Higher Technological Institute10th of Ramadan City (HTI), Ramadan City, 44629, Egypt.

Ramadan ElsoeudyMechanical Engineering Department, Faculty of Engineering, Suez Canal University, Suez, 41522, Egypt.

M Abdel MohsenMechanical Engineering Department Faculty of Engineering, Ain Shams University, Cairo, 11566, Egypt.

N ElzayadyMechanical and Aerospace Engineering Department, Institute of Aviation Engineering and Technology, Giza, 12815, Egypt. nagwa.elzayady@iaet.edu.eg.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This study investigates the impact of cutting speed and laser focus position on surface roughness, kerf geometry, and microhardness during fiber laser cutting of 4 mm-thick AISI 304 stainless steel sheet. A series of experimental trials were conducted using fiber laser cutting with cutting speeds ranging from 1.5 to 3.5 m/min and focus settings between 30 and 50%, at fixed power of 2000 W and gas pressure equals 14 bar. Surface roughness (Ra) was found to decrease with increasing cutting speed; the highest Ra value recorded was 5.4 µm at 1.5 m/min and 40% focus, while the lowest value was approximately 4.0 µm at 3.5 m/min and 50% focus. Kerf width similarly decreased with increasing speed and optimal focus, narrowing from 185 µm at 1.5 m/min and 30% focus to as low as 138 µm at 3.5 m/min and 50% focus. Microhardness varied non-linearly, reaching a peak of 270 HV at 2.0 m/min and 30% focus, indicating favorable thermal gradients. SEM, EDS, and XRD analysis validated the outcomes indicative of a balanced performance across all evaluated parameters. These findings guide laser cutting optimization for improved precision and mechanical performance in stainless steel.

Indexed as

Fiber laser cuttingKerf geometryLaser focus positionMicrohardnessSurface roughness

Identifiers

PMID41266525

DOI10.1038/s41598-025-24932-6

PMCPMC12635116

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.