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Application of Extension Evaluation Method in Development of Novel Eco-friendly Brake Materials
ISSN: 1946-3979, e-ISSN: 1946-3987
Published October 11, 2009 by SAE International in United States
Citation: Yun, R., Lu, Y., and Filip, P., "Application of Extension Evaluation Method in Development of Novel Eco-friendly Brake Materials," SAE Int. J. Mater. Manf. 2(2):1-7, 2010, https://doi.org/10.4271/2009-01-3019.
Extenics is a new cross discipline to study rules and methods of solving contradictory problems in the real world. The basic concepts and theoretical frame of extenics are briefly introduced in this paper. Based on the merit of extenics, the extension evaluation method was applied to evaluate the brake materials according to a five-grade criterion established in this study. Considering the results computed by the original and simplified models, the similar conclusions were made: all four brake samples, marked A - D, were evaluated in the first grade based on the calculated dependence degrees, and sample B was judged as the best performing friction material with the highest dependence degree and the lowest wear rate. The preliminary results verify that it is feasible to apply the extension evaluation method for the development of friction materials, and the five-grade criteria established in this study can be applied for analyzing the results of the Friction Assessment and Screening Test (FAST) scientifically.
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