E. A. Batalova, L. V. Kamaeva, I. V. Shutov, M. N. Korolev, M. D. Krivilev
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引用次数: 0
Abstract
We study the processes of the contact melting of AMg6 alloy with a solid Zn–Cu–Al solder and a model Zn–Al alloy, as well as the structure of the contact-melting zone. Sample preparation is carried out in two stages. In the first stage, the solder is mechanically applied (tinned) to the surface of AMg6 plates, and in the second stage, the obtained composite samples are subjected to heat treatment, varying the holding time in the liquid state. According to metallographic analysis, X-ray structural analysis, and differential scanning calorimetry, active interaction between Zn and Al occurs already at the tinning stage, leading to the formation of a developed morphology in the joint area. The presence of copper in the HTS-2000 solder decreases the melting temperature of the Zn–Al alloy by 30–40°C and improves the conditions of contact interaction with the AMg6 matrix. Active zinc diffusion ensures the formation of an extensive melting zone during heat treatment. Regions rich in zinc, upon crystallization, contain the intermetallic phase Zn5Cu, which hinders the formation of intermetallics based on the ZnMg system, preventing embrittlement of the contact zone.
期刊介绍：
Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques publishes original articles on the topical problems of solid-state physics, materials science, experimental techniques, condensed media, nanostructures, surfaces of thin films, and phase boundaries: geometric and energetical structures of surfaces, the methods of computer simulations; physical and chemical properties and their changes upon radiation and other treatments; the methods of studies of films and surface layers of crystals (XRD, XPS, synchrotron radiation, neutron and electron diffraction, electron microscopic, scanning tunneling microscopic, atomic force microscopic studies, and other methods that provide data on the surfaces and thin films). Articles related to the methods and technics of structure studies are the focus of the journal. The journal accepts manuscripts of regular articles and reviews in English or Russian language from authors of all countries. All manuscripts are peer-reviewed.
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