What does this research mean for the field?

Optimized gas metal arc welding (GMAW)-based wire arc additive manufacturing (WAAM) parameters produce 80N1 high-strength low-alloy (HSLA) steel components with improved mechanical performance compared to the base wire and consistent properties across the build. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To optimize GMAW-based wire arc additive manufacturing process parameters for 80N1 high-strength low-alloy steel and evaluate the resulting bead morphology, microstructure, and mechanical performance.

September 5, 2026Next MaterialsOpen Access

Process optimization and mechanical characterization of GMAW-based WAAM fabricated 80N1 HSLA steel

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Authors

VCVaibhav Chopade JVJay Vora RCRakesh Chaudhari

Discussion

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Overview

Experimental study reveals enhanced tensile strength and microstructural stability in wire-arc additively manufactured 80N1 HSLA steel, indicating strong potential for industrial manufacturing.

Key Points

To optimize GMAW-based wire arc additive manufacturing process parameters for 80N1 high-strength low-alloy steel and evaluate the resulting bead morphology, microstructure, and mechanical performance.
Applied a Box–Behnken design (BBD) to model the effects of wire feed speed, welding voltage, and travel speed on bead height and width responses.
Conducted multi-objective optimization to fabricate a multi-walled component for optical microscopy, tensile testing, and Vickers microhardness profiling.
Tensile evaluation demonstrated average values of 541 ± 16.12 MPa yield strength, 636.67 ± 15.56 MPa ultimate tensile strength, and 29.93 ± 1.75% elongation, improving upon the base wire.
Microhardness exhibited a steady gradient from 222.61 ± 7.11 HV at the bottom to 251.46 ± 8.65 HV at the top, corresponding to dendritic grain morphology along the build direction.

Cite This Study

Chopade et al. (2026) studied this question.

synapsesocial.com/papers/6a9bd4126b95aff0620eb68c https://doi.org/10.1016/j.nxmate.2026.103358

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September 5, 2026Next MaterialsOpen Access

Process optimization and mechanical characterization of GMAW-based WAAM fabricated 80N1 HSLA steel

View Full Paper

Ask AI

Bookmark

Authors

VCVaibhav Chopade JVJay Vora RCRakesh Chaudhari

Discussion

Member takes

Overview

Experimental study reveals enhanced tensile strength and microstructural stability in wire-arc additively manufactured 80N1 HSLA steel, indicating strong potential for industrial manufacturing.

Key Points

To optimize GMAW-based wire arc additive manufacturing process parameters for 80N1 high-strength low-alloy steel and evaluate the resulting bead morphology, microstructure, and mechanical performance.
Applied a Box–Behnken design (BBD) to model the effects of wire feed speed, welding voltage, and travel speed on bead height and width responses.
Conducted multi-objective optimization to fabricate a multi-walled component for optical microscopy, tensile testing, and Vickers microhardness profiling.
Tensile evaluation demonstrated average values of 541 ± 16.12 MPa yield strength, 636.67 ± 15.56 MPa ultimate tensile strength, and 29.93 ± 1.75% elongation, improving upon the base wire.
Microhardness exhibited a steady gradient from 222.61 ± 7.11 HV at the bottom to 251.46 ± 8.65 HV at the top, corresponding to dendritic grain morphology along the build direction.

Cite This Study

Chopade et al. (2026) studied this question.

synapsesocial.com/papers/6a9bd4126b95aff0620eb68c https://doi.org/10.1016/j.nxmate.2026.103358

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