Advances in precision micro/nano-electroforming: a state-of-the-art review

H Zhang, N Zhang, M Gilchrist… - … of Micromechanics and …, 2020 - iopscience.iop.org
Micro/nano-electroforming has received considerable interest from various industry sectors
as an advanced micro-manufacturing technique that offers high dimensional precision and …

[HTML][HTML] A review of microinjection moulding of polymeric micro devices

H Zhang, H Liu, N Zhang - Micromachines, 2022 - mdpi.com
Polymeric micro devices are gaining huge market potential in broad areas of medical
devices, diagnostic devices, drug delivery, and optical applications. Current research is …

[HTML][HTML] Investigation of mass transfer inside micro structures and its effect on replication accuracy in precision micro electroforming

H Zhang, N Zhang, F Fang - International Journal of Machine Tools and …, 2021 - Elsevier
Micro electroforming is a promising electrodeposition-based precision replication technique
for the fabrication of microstructured moulds. In this process, a poor mass transfer inside the …

Synergistic effect of surfactant and saccharin on dispersion and crystal refinement for electrodeposition of nanocrystalline nickel/graphene oxide composite

H Zhang, N Zhang, F Fang - Surface and Coatings Technology, 2020 - Elsevier
Homogeneous dispersion of graphene oxide (GO) in nickel sulfamate solution is a
significant challenge for electrodepositing high-performance nickel/GO composite coatings …

[HTML][HTML] Fabrication of permanent self-lubricating 2D material-reinforced nickel mould tools using electroforming

H Zhang, T Guan, N Zhang, F Fang - International Journal of Machine Tools …, 2021 - Elsevier
In the replication of polymeric micro/nano structures, adhesion and friction between mould
tool and polymer cause significant feature failure. For the first time, this work developed a …

[HTML][HTML] Study of ion transportation and electrodeposition under hybrid agitation for electroforming of variable aspect ratios micro structures

H Zhang, N Zhang, F Fang - Precision Engineering, 2021 - Elsevier
Microstructural replication accuracy in precision micro electroforming process is related to
ions transportation inside the micro structure and microstructural feature width and aspect …

Electrodeposition of nickel/graphene oxide particle composite coatings: effect of surfactants on graphene oxide dispersion and coating performance

H Zhang, N Zhang, F Fang - Journal of the Electrochemical …, 2020 - iopscience.iop.org
The dispersibility of graphene oxide particles (GOs) in nickel electrolytes is critical for its
uniform incorporation in the nickel matrix during the electrodeposition process. In this study …

Towards understanding the coupling interaction between thickness non-uniformity and flatness of wafer-scale electroformed Ni-Co mold: From grain structures to …

H Zhang, B Ma, T Zhan, H Liu - Journal of Materials Processing Technology, 2025 - Elsevier
Electroforming allows for the precise fabrication of Ni-Co alloy mold but encounters
challenges with uneven thickness and persistent internal stress, which impact the mold's …

Electroforming of submillimeter scale array structures with a jet-flush mixed flow field

T Li, C Shen, Z Zhu, A Li, Z Xue - Journal of Manufacturing Processes, 2023 - Elsevier
Electroforming of submillimeter scale array structures holds great promise for a wide range
of applications in array microelectrodes, vacuum electron devices and metal molds, but poor …

Study on controllable thickness and flatness of wafer-scale nickel shim in precision electroforming process: Simulation and validation

H Zhang, N Zhang, F Fang - Journal of …, 2021 - asmedigitalcollection.asme.org
A new approach to precision electroforming of a wafer scale nickel shim using a rotating
cathode with an auxiliary cathode mask is developed to improve thickness uniformity and …