Machining-induced residual stress, cutting force, and temperature govern the fatigue life, dimensional stability, and surface integrity of milled components, yet predictive models for these responses are still routinely validated only in-sample, concealing overfitting on small, single-laboratory datasets. This study re...
P. Marimuthu, J. Petrů, Thenarasu Mohanavelu· Machines· 0 citations
Cold Spray Additive Manufacturing (CSAM) is a solid-state process that enables high-rate fabrication and repair of metallic components with low thermal input, making it suitable for heat-sensitive materials. Its wider industrial adoption, however, is constrained by challenges in porosity control, geometric accuracy nea...
Hoang-Sy Nguyen, Dac-Hung Ho, Quoc-Phu Ma et al.· MM Science Journal· 0 citations
Background: When a small design-of-experiments dataset is used to optimize a machining process with particle swarm optimization (PSO), the regression model chosen as the fitness function is rarely validated against more than one candidate response, checked against alternative model families, or checked for the optimiza...
P. Marimuthu, J. Petrů, Thenarasu Mohanavelu· Journal of Manufacturing and...· 0 citations
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