Optimization of Stirring Parameters for Stir-Cast Magnesium Matrix Composites Using Response Surface Methodology

doi:10.16356/j.1005-1120.2022.S.006

Transactions of Nanjing University of Aeronautics & Astronautics

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Optimization of Stirring Parameters for Stir-Cast Magnesium Matrix Composites Using Response Surface Methodology

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Abstract:

The response surface methodology is used to study the effect of stirring parameters on the mechanical properties of magnesium matrix composites （MMCs）. The composites are manufactured using different stirring speeds （500， 600， and 700 r/min）， stirring time （10， 20， and 30 min）， and weight fractions （0， 2.5%， 5%， and 10%） of silicon carbide particles. The experimental results show that 700 r/min and 20 min are the best conditions for obtaining the best mechanical properties. Based on the desirability function methodology， the optimum parameter values for the best mechanical characteristics of produced composites are reached at 696.102 r/min， 19.889 min， and 9.961%（in weight）.

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This work was supported by the Fundamental Research Funds for the Central Universities （Nos.NS2015055， NP2020413）； the Administration of the Ministries and Commissions of the Central Government （No.011951G19061）； the National Natural Science Foundation of China（No.51105202）； the State Administration of P.R. China and the Ministry of Education of P.R. China（No.B16024）.

Clc Number:

TG14