期刊
INTERNATIONAL JOURNAL OF CAST METALS RESEARCH
卷 28, 期 3, 页码 167-180出版社
TAYLOR & FRANCIS LTD
DOI: 10.1179/1743133614Y.0000000144
关键词
Squeeze casting; CCD; BBD; ANOVA; RSM
资金
- Department of Applied Mechanics and Hydraulics of NIT Karnataka, Surathkal, India
The present work makes an attempt to model and analyse squeeze casting process by utilising design of experiments and response surface methodology. The input-output data for developing regression models and test cases is obtained by conducting the experiments. Surface roughness, ultimate tensile strength and yield strength have been measured for different combinations of process variables, namely, squeeze pressure, pressure duration, pouring temperature and die temperature. Two non-linear regression models based on central composite design (CCD) and Box-Behnken design (BBD) of experiments have been developed to establish the input-output relationships. The effects of process variables on the measured responses have been studied using surface plots. The performances of the two non-linear models have been tested for their prediction accuracy with the help of 15 test cases. It is observed that, both CCD and BBD, the non-linear regression models are statistically adequate and capable of making accurate predictions.
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