What question did this study set out to answer?

The research aims to evaluate the effects of different filler wires on the mechanical properties and micro-structure of laser-welded Al–Si-coated 22MnB5 steel.

February 9, 2026Science and Technology of Welding & JoiningOpen Access

Influence of filler wires on hardness and coating dilution in high-speed laser-welded Al–Si-coated 22MnB5 steel

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The research aims to evaluate the effects of different filler wires on the mechanical properties and micro-structure of laser-welded Al–Si-coated 22MnB5 steel.
Analyzed micro-structural development of welds using ER4130 and ER420 filler wires
Measured mechanical performance in relation to weld quality
Applied energy-dispersive spectroscopy to assess aluminum content and phase formation
Both filler wires reduced bulk aluminum content in welds compared to as-received hot-stamped welds
Reduction in δ-ferrite phase led to increased martensite content
ER420 showed enhanced hardenability due to higher chromium content
Carbon addition in filler wires promoted further martensite formation

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Implication

Investigates how filler wires affect weld quality in Al-Si-coated 22MnB5 steel, suggesting improvements for stronger welds.

Cite This Study

Agarwal et al. (2026) studied this question.

synapsesocial.com/papers/698979d9f0ec2af6756e7c8b https://doi.org/10.1177/13621718261419618

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Influence of filler wires on hardness and coating dilution in high-speed laser-welded Al–Si-coated 22MnB5 steel

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Discussion

Implication

Cite This Study

Influence of filler wires on hardness and coating dilution in high-speed laser-welded Al–Si-coated 22MnB5 steel

Key Points

Discussion

Implication

Cite This Study

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