Temperature evolution, IMC formation, and resulting bonding efficacy in bimetallic tubular components fabricated by a novel friction stir backward extrusion cladding method

IF 4.6 2区工程技术 Q2 ENGINEERING, MANUFACTURING

CIRP Journal of Manufacturing Science and Technology Pub Date : 2024-04-20 DOI:10.1016/j.cirpj.2024.04.007

Rishabh Swarnkar, Souvik Karmakar, Surjya K. Pal

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引用次数: 0

Abstract

The ability to economically offer distinct properties within a single component has gathered significant attention for bimetallic or cladded tubular components across various industries. A novel friction stir-based cladding method and its in-depth analyses to achieve internal cladding of Al inside the stainless steel (SS) tubes are presented. The process outcome with the variation in process parameters and its impact on heat generation and intermetallic compounds (IMCs) formation was analyzed. In this process, the joining between the base substrate and the cladded material is due to the heat generation that leads to interdiffusion and ultimately promotes the formation of IMCs. The mechanism of IMCs formation, its growth phenomenon, and its impact on joining efficacy were investigated. The cladded Al exhibited an approximately twofold increase in grain size compared to the base Al alloy, as revealed through electron back-scattered diffraction (EBSD) analysis. The coarser grains help to restrict the propagation of fracture during the flattening test. The cladded tube exhibits no sign of delamination after compression, which paves the way for the industrial adoption of the process.

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采用新型搅拌摩擦后向挤压包覆法制造的双金属管状部件的温度演变、IMC 形成及由此产生的粘接效果

在单个部件中提供不同性能的经济性已引起各行各业对双金属或包覆管状部件的极大关注。本文介绍了一种基于摩擦搅拌的新型包覆方法，并对其进行了深入分析，以实现不锈钢（SS）管内部的铝包覆。分析了随工艺参数变化而变化的工艺结果及其对发热和金属间化合物（IMCs）形成的影响。在此过程中，基底和包覆材料之间的接合是由于产生热量而导致相互扩散，最终促进了 IMC 的形成。我们研究了 IMC 的形成机制、生长现象及其对接合效果的影响。通过电子反向散射衍射 (EBSD) 分析发现，与基底铝合金相比，包覆铝的晶粒大小增加了约两倍。较粗的晶粒有助于限制扁平化测试中断裂的扩展。包覆管在压缩后没有分层迹象，这为该工艺的工业应用铺平了道路。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

CIRP Journal of Manufacturing Science and Technology Engineering-Industrial and Manufacturing Engineering

CiteScore

9.10

自引率

6.20%

发文量

166

审稿时长

63 days

期刊介绍： The CIRP Journal of Manufacturing Science and Technology (CIRP-JMST) publishes fundamental papers on manufacturing processes, production equipment and automation, product design, manufacturing systems and production organisations up to the level of the production networks, including all the related technical, human and economic factors. Preference is given to contributions describing research results whose feasibility has been demonstrated either in a laboratory or in the industrial praxis. Case studies and review papers on specific issues in manufacturing science and technology are equally encouraged.