Production of gradient intermetallic layers based on aluminum alloy and copper by electron-beam additive technology

Diagnostics, Resource and Mechanics of materials and structures Pub Date : 2021-12-01 DOI:10.17804/2410-9908.2021.6.019-031

A. Chumaevsky, A. Panfilov, E. Knyazhev, A. Zykova, A. Gusarova, K. Kalashnikov, A. Vorontsov, N. Savchenko, S. Nikonov, A. Cheremnov, V. Е. Rubtsov, E. Kolubaev

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Abstract

This study presents the results of experimental work on the production and examination of samples of laminated polymetallic products made by wire-feed electron-beam additive technology using the technique of controlled filament feeding into the melt bath. The structure of the products based on M1 copper and AMg5 aluminum alloy combines metallic and intermetallic layers with the presence of a gradient transition between the phases. Inside the layers with a transition structure the distribution of intermetallic phases can be of different types. The microhardness values of the different structural constituents of the samples differ by more than a factor of 16. The mechanical properties of the material of the transition layers are characterized by low strength and low plasticity. In the structure of the intermetallic layers and at the boundary between them the formation of defects in the form of cracks and delaminations is observed.

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电子束增材技术制备基于铝合金和铜的梯度金属间层

本文介绍了采用控制丝料进入熔浴的技术，采用送丝电子束增材技术制备多金属层压制品样品的实验研究结果。基于M1铜和AMg5铝合金的产品结构结合了金属层和金属间层，并在相之间存在梯度转变。在具有过渡结构的层内，金属间相的分布可以是不同类型的。样品的不同结构成分的显微硬度值相差超过16倍。过渡层材料的力学性能表现为低强度和低塑性。在金属间层的结构和它们之间的边界处，可以观察到以裂纹和分层形式形成的缺陷。

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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Diagnostics, Resource and Mechanics of materials and structures

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