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Grey modeling for thermal spray processing parameter analysis
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DOI：10.1108/GS-12-2019-0063.png)
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Abstract
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Purpose This paper presents the application of grey modeling for thermal spray processing parameter analysis in less data environment. Design/methodology/approach Based on processing knowledge, key processing parameters of thermal spray process are analyzed and preselected. Then, linear and non-linear grey modeling models are integrated to mine the relationships between different processing parameters. Findings Model A reveals the linear correlation between the HVOF process parameters and the characterization of particle in-flight with average relative errors of 9.230 percent and 5.483 percent for velocity and temperature. Originality/value It is the first time to apply grey modeling for thermal spray processing where complicated relationships among processing parameters exist. The modeling results show reasonable results to experiment and existing processing knowledge.
Keywords:
Less data environment
Grey modelling
Thermal spray technology
Manufacturing knowledge
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