A Comparative Study of Multiple-Criteria Decision-Making Methods for selecting the best process parameters for friction stir welded Al 6061 alloy

Q4 Materials Science

Welding International Pub Date : 2023-10-26 DOI:10.1080/09507116.2023.2270896

Ibrahim Sabry, Abdel-Hamid Ismail Mourad, Mohammad Alkhedher, Mohammad Reza Chalak Qazani, Ahmed El-Araby

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Abstract

AbstractThe selection of welding process parameters is a tedious operation that demands the process evaluation. Multi criteria decision-making strategies for assessing friction stir welding (FSW) process parameters are scanty. Therefore, a comparative study between five different multi-criteria decision-making methods was applied within friction stir welding process to show the deviations in the ranking of the alternatives. The goal is to find the welding parameters (including rotation speed, shoulder diameter, and travel speed) that result in the highest performance scores or rankings for the considered responses, such as ultimate tensile strength, hardness, and surface roughness. In the following, different decision-making strategies (including TOPSIS, GRA, hybrid GRA-TOPSIS, CoCoSo, and MACROS) are applied to calculate the weight of all different decision-making using entropy. The proposed methods in this study are validated by representing the accurate decision maker's preferences and consideration of uncertainty. The decision-makers choose GRA-TOPSIS and TOPSIS as the best approach with higher efficiency. GRA was determined to be more time-consuming and to have the most variety of outcomes, whereas CoCoSo and MACROS were unable to produce a definite best result. The study is highly promising for researchers and machining specialists to produce quality friction stir welds.Keywords: Decision-MakingTOPSISGRAMACROSCoCoSohybrid GRA-TOPSISDisclaimerAs a service to authors and researchers we are providing this version of an accepted manuscript (AM). Copyediting, typesetting, and review of the resulting proofs will be undertaken on this manuscript before final publication of the Version of Record (VoR). During production and pre-press, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal relate to these versions also.

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al6061合金搅拌摩擦焊最佳工艺参数多准则决策方法的比较研究

摘要焊接工艺参数的选择是一项繁琐的工作，需要进行工艺评价。目前，用于搅拌摩擦焊工艺参数评估的多准则决策策略很少。因此，将五种不同的多准则决策方法应用于搅拌摩擦焊接过程的对比研究，以显示方案排序的偏差。目标是找到焊接参数(包括转速、肩部直径和行驶速度)，这些参数会导致考虑的响应(如极限抗拉强度、硬度和表面粗糙度)的最高性能分数或排名。下面，我们将采用不同的决策策略(包括TOPSIS、GRA、混合GRA-TOPSIS、CoCoSo和MACROS)，利用熵来计算所有不同决策的权重。本研究中提出的方法通过代表准确的决策者偏好和考虑不确定性而得到验证。决策者选择GRA-TOPSIS和TOPSIS作为效率较高的最佳方法。GRA被确定为更耗时且具有最多样化的结果，而CoCoSo和MACROS无法产生明确的最佳结果。该研究对研究人员和机械加工专家生产高质量的搅拌摩擦焊缝具有很大的前景。关键词:决策topsisgramacroscocosohybrid gra - topsis免责声明作为对作者和研究人员的服务，我们提供此版本的已接受稿件(AM)。在最终出版版本记录(VoR)之前，将对该手稿进行编辑、排版和审查。在制作和印前，可能会发现可能影响内容的错误，所有适用于期刊的法律免责声明也与这些版本有关。

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来源期刊

Welding International Materials Science-Metals and Alloys

CiteScore

0.70

自引率

0.00%

发文量

期刊介绍： Welding International provides comprehensive English translations of complete articles, selected from major international welding journals, including: Journal of Japan Welding Society - Japan Journal of Light Metal Welding and Construction - Japan Przeglad Spawalnictwa - Poland Quarterly Journal of Japan Welding Society - Japan Revista de Metalurgia - Spain Rivista Italiana della Saldatura - Italy Soldagem & Inspeção - Brazil Svarochnoe Proizvodstvo - Russia Welding International is a well-established and widely respected journal and the translators are carefully chosen with each issue containing a balanced selection of between 15 and 20 articles. The articles cover research techniques, equipment and process developments, applications and material and are not available elsewhere in English. This journal provides a valuable and unique service for those needing to keep up-to-date on the latest developments in welding technology in non-English speaking countries.