Nano TiB2 and TiO2 reinforced composites: A comparative investigation on strengthening mechanisms and predicting mechanical properties via neural network modeling
Source abstract
Abstract
It is known that the interaction between suspended ceramic nanoparticles (TiB 2 and TiO 2 ) in molten alloys affects the strengthening mechanisms of nanoparticle reinforced composites. The present study follows a comparative approach to investigate this phenomenon during casting process of aluminum composites reinforced by TiB 2 and TiO 2 nanoparticles. Microstructural studies accompanied by the measurements of hardness and tensile strength showed that the highest improvement in mechanical properties of the nanocomposites was achieved when Orowan, load bearing mechanism and Hall-Petch mechanisms were simultaneously engaged in the strengthening process of the metal matrix. In order to predict the mechanical properties, four artificial neural networks based on multi-input and multi-output (MIMO) and single-input and multi-output (SIMO) models were created using Bayesian regularization, and cross validated. Showing errors less than 5%, the developed models can reliably be used to reduce the product development time and fabrication of the aluminum matrix nanocomposites in future under different processing conditions.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Aluminum Alloys Composites Properties · Advanced ceramic materials synthesis · Advanced materials and composites
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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