镁合金与钛合金焊接的最新进展与挑战

IF 1.9 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY
S. T. Auwal, Singh Ramesh, C. Tan, Zequn Zhang, Xiaoye Zhao, S. Manladan
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引用次数: 2

摘要

近年来,汽车和航空航天领域的镁钛复合材料焊接技术受到了广泛关注,主要是因为其潜在的节能减排效益。然而,由于它们的物理和冶金不相容,加入它们一直受到许多困难的阻碍。Mg/Ti的连接采用了不同的连接工艺,在大多数情况下,为了获得它们之间的冶金结合,在界面处使用中间元素或从基材中相互扩散合金元素。反应产物(以固溶体或金属间化合物的形式)沿着Mg和Ti之间的界面形成,是形成冶金键的原因。然而,界面键合的实现和接头的性能在很大程度上取决于新形成的反应产物。因此,深入了解所选中间元素与贱金属之间的相互作用以及相关焊接参数的影响是至关重要的。本文介绍了镁合金焊接与连接的现状和进展,是一篇及时的综述。讨论了几种重要焊接工艺的焊接控制因素及其焊接机理。指出了不同焊接工艺对Mg/Ti焊接性能的改进。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Recent developments and challenges in welding of magnesium to titanium alloys
Joining of Mg/Ti hybrid structures by welding for automotive and aerospace applications has attracted great attention in recent years due mainly to its potential benefit of energy saving and emission reduction. However, joining them has been hampered with many difficulties due to their physical and metallurgical incompatibilities. Different joining processes have been employed to join Mg/Ti, and in most cases in order to get a metallurgical bonding between them was the use of an intermediate element at the interface or mutual diffusion of alloying elements from the base materials. The formation of a reaction product (in the form of solid solution or intermetallic compound) along the interface between the Mg and Ti is responsible for formation of a metallurgical bond. However, the interfacial bonding achieved and the joints performance depend significantly on the newly formed reaction product(s). Thus, a thorough understanding of the interaction between the selected intermediate elements with the base metals along with the influence of the associated welding parameters are essential. This review is timely as it presents on the current paradigm and progress in welding and joining of Mg/Ti alloys. The factors governing the welding of several important techniques are deliberated along with their joining mechanisms. Some opportunities to improve the welding of Mg/Ti for different welding techniques are also identified.
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来源期刊
Advances in Materials Research-An International Journal
Advances in Materials Research-An International Journal MATERIALS SCIENCE, MULTIDISCIPLINARY-
CiteScore
3.50
自引率
27.30%
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