What question did this study set out to answer?

This research aims to enhance the performance of functionally graded materials combining SS316L and Inconel 625 by addressing structural and electrochemical challenges.

June 12, 2026Rapid Prototyping Journal

Functionally graded SS316L/Inconel 625 fabricated by SLM: the effects of remelting and ultrasonic burnishing on pore topology, surface integrity and electrochemical properties

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This research aims to enhance the performance of functionally graded materials combining SS316L and Inconel 625 by addressing structural and electrochemical challenges.
Fabricated SS316L/Inconel 625 functionally graded material specimens using selective laser melting.
Applied in situ remelting and ultrasonic-assisted ball burnishing (UAB) to optimize properties.
Evaluated effects using techniques such as micro-CT, SEM, XRD, and electrochemical tests.
Remelting reduced porosity from 6.1% to 1.7% and improved interfacial bonding.
UAB reduced surface roughness from 6.3 µm to 1.5 µm, enhancing surface quality.
The remelted + UAB sample showed lowest corrosion current density at 0.12 µA/cm² and highest charge transfer resistance at 85 kΩ·cm².

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Implication

Randomized trial demonstrates improved electrochemical properties in functionally graded materials, indicating a novel fabrication method.

Cite This Study

Rajabi et al. (2026) studied this question.

synapsesocial.com/papers/6a2ba3fa8101cf8926f02883 https://doi.org/10.1108/rpj-05-2025-0206

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Implication

Randomized trial demonstrates improved electrochemical properties in functionally graded materials, indicating a novel fabrication method.

Functionally graded SS316L/Inconel 625 fabricated by SLM: the effects of remelting and ultrasonic burnishing on pore topology, surface integrity and electrochemical properties

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Discussion

Implication

Cite This Study

Functionally graded SS316L/Inconel 625 fabricated by SLM: the effects of remelting and ultrasonic burnishing on pore topology, surface integrity and electrochemical properties

Key Points

Discussion

Implication

Cite This Study

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