用田口技术和NSGA-II评价AA6061/TiB2金属基复合材料的力学和摩擦学特性及其铸造工艺的参数优化

Q3 Materials Science

International Journal of Materials Engineering Innovation Pub Date : 2021-07-28 DOI:10.1504/ijmatei.2021.116945

Ganesh L. Suryawanshi, Sachin K. Patil, R. Desavale

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引用次数: 0

摘要

本研究提出了用搅拌铸造技术制备AA6061/TiB2复合材料的实验方法和工艺参数优化策略。本工作的目的是研究工艺参数，即TiB2的重量分数（8%至12%）、搅拌器速度（400转/分至700转/分）和铸造温度（725°C至785°C）对复合材料硬度和磨损的影响。实验设计采用田口L-27。为了研究TiB2颗粒的存在及其在熔融金属基体中的分散，进行了XRD和微观观察。计算方差分析（ANOVA）、信噪比（S/N），以确定每个工艺参数对改善机械性能和最佳工艺参数集的贡献。此后，进行确认测试以通过实验验证ANOVA中获得的结果。采用非支配排序遗传算法（NSGA-II）对复合材料的工艺参数进行优化。

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Evaluation of the mechanical and tribological characteristics of AA6061/TiB2 metal matrix composite and parametric optimisation of its casting process by using Taguchi technique and NSGA-II

The present research work proposes an experimental methodology and optimisation strategy of the process parameters for fabrication of AA6061/TiB2 composite by stir casting technique. The aim of this work is to find influence of process parameters viz. weight fraction of TiB2 (8%, to 12%), stirrer speed (400 rpm to 700 rpm) and casting temperature (725°C to785°C) on hardness and wear of the composite. Taguchi's L-27 is used for design of experiments. To investigate the presence of TiB2 particles and its dispersion in molten metal matrix XRD and microscopic observations were carried. The analysis of variance (ANOVA), signal to noise ratio (S/N) was calculated to determine the contribution of each process parameter towards improved mechanical properties and best set of process parameters. Thereafter, confirmation test was carried to validate the result obtained in ANOVA with experimentation. Non-dominated sorting genetic algorithm (NSGA-II) is used to optimise the process parameters of composite fabrication.

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来源期刊

International Journal of Materials Engineering Innovation Materials Science-Materials Science (all)

CiteScore

1.70

自引率

0.00%

发文量

期刊介绍： IJMatEI is a multidisciplinary journal that will publish refereed high quality articles with special emphasis on research and development into recent advances in composites, ceramics, functionally graded materials, cellular materials and ecomaterials. IJMatEI fosters information exchange and discussion on all aspects of modern materials engineering, such as materials preparation and processing, relationships between structure (nano and micro) and properties (physical, chemical, mechanical, thermal, electrical and magnetic), as well as performance and technological applications for advanced industry.