ArticleACS omega2026
NSGA-II and Powell Optimized Inverse Design of MAO Coatings.
Article in ACS omega, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors.
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Abstract
Microarc oxidation (MAO), a key surface modification technique for in situ ceramic coating growth on valve metals, is hindered by stochastic plasma discharge dynamics that induce substantial property variability, impeding quality assurance, and industrial scalability. Existing empirical models fail to capture this nonlinearity due to small-sample constraints inherent to MAO process development. Here, we present a modular hybrid inverse design framework integrating (i) a composite deep variational autoencoder (ComDeep-VAE) for physics-aware data augmentation and (ii) Powell-optimized surrogate modeling with NSGA-II multiobjective optimization, establishing a generalizable platform extensible to mechanical integrity characterization and manufacturing system analytics. The ComDeep-VAE reconstructs high-dimensional process-parameter spaces while preserving experimentally validated statistical distributions, reducing the predictive mean absolute error by 60.8% (thickness) and 72.3% (porosity) relative to raw-data baselines using limited trials. The surrogate model achieves
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