What question did this study set out to answer?

To determine how low-intensity magnetic field magnitude, orientation, and transport forces influence thickness uniformity, residual stress, and microstructural quality in nickel microelectroforming.

September 17, 2026Proceedings of the Institution of Mechanical Engineers Part L Journal of Materials Design and Applications

Direction-dependent magnetic control of nickel microelectroforming: Deposition uniformity, residual stress and micropillar mold fabrication

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Authors

CCChen Chen JLJingang Liu KSKui Song

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Overview

Experimental study demonstrates magnetic field magnitude and angle modulate residual stress and deposition uniformity in nickel microelectroforming, suggesting viable control for precision mold...

Key Points

To determine how low-intensity magnetic field magnitude, orientation, and transport forces influence thickness uniformity, residual stress, and microstructural quality in nickel microelectroforming.
Varied magnetic flux density (0, 5, 10 mT), field orientation angle, stirring rate (400, 500 rpm), and cycle-averaged current alongside reduced-domain Lorentz-force mass transfer modeling.
Integrated magnetic control with pulse-reverse current and an auxiliary cathode to fabricate a nickel micropillar mold, followed by pull-off adhesion testing (n = 3).
Residual stress exhibited a non-monotonic response to magnetic flux density, measuring 217.7 ± 16.6 MPa at 0 mT, rising to 317.0 ± 13.6 MPa at 5 mT, and falling to 191.6 ± 18.9 MPa at 10 mT.
Field rotation redistributed thickness gradients rather than eliminating them, yielding the poorest overall surface, diffraction, and stress metrics at 60°, with a trade-off between stress and uniformity observed between 400 and 500 rpm at 10 mT and 90°.
The integrated fabrication approach achieved a micropillar mold with 14.7% height nonuniformity (1.40 μm range) and an adhesive-limited mean pull-off stress of 2.07 ± 0.11 MPa.

Cite This Study

Chen et al. (2026) studied this question.

synapsesocial.com/papers/6aabb68c5f706d05830e5034 https://doi.org/10.1177/14644207261487179

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September 17, 2026Proceedings of the Institution of Mechanical Engineers Part L Journal of Materials Design and Applications

Direction-dependent magnetic control of nickel microelectroforming: Deposition uniformity, residual stress and micropillar mold fabrication

View Full Paper

Ask AI

Bookmark

Authors

CCChen Chen JLJingang Liu KSKui Song

Discussion

Member takes

Overview

Experimental study demonstrates magnetic field magnitude and angle modulate residual stress and deposition uniformity in nickel microelectroforming, suggesting viable control for precision mold...

Key Points

To determine how low-intensity magnetic field magnitude, orientation, and transport forces influence thickness uniformity, residual stress, and microstructural quality in nickel microelectroforming.
Varied magnetic flux density (0, 5, 10 mT), field orientation angle, stirring rate (400, 500 rpm), and cycle-averaged current alongside reduced-domain Lorentz-force mass transfer modeling.
Integrated magnetic control with pulse-reverse current and an auxiliary cathode to fabricate a nickel micropillar mold, followed by pull-off adhesion testing (n = 3).
Residual stress exhibited a non-monotonic response to magnetic flux density, measuring 217.7 ± 16.6 MPa at 0 mT, rising to 317.0 ± 13.6 MPa at 5 mT, and falling to 191.6 ± 18.9 MPa at 10 mT.
Field rotation redistributed thickness gradients rather than eliminating them, yielding the poorest overall surface, diffraction, and stress metrics at 60°, with a trade-off between stress and uniformity observed between 400 and 500 rpm at 10 mT and 90°.
The integrated fabrication approach achieved a micropillar mold with 14.7% height nonuniformity (1.40 μm range) and an adhesive-limited mean pull-off stress of 2.07 ± 0.11 MPa.

Cite This Study

Chen et al. (2026) studied this question.

synapsesocial.com/papers/6aabb68c5f706d05830e5034 https://doi.org/10.1177/14644207261487179

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