Structure and Properties of Welded Joints of the Aluminum Alloy 1550 Produced by Double-Side Friction Welding with Mixing

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作者
S. V. Kuryntsev
机构
[1] A. N. Tupolev National Research Technical University (KAI),
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double-side friction welding with mixing; two-side friction welding with mixing; microhardness; macrostructure;
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摘要
The structure and properties of welded joints formed from aluminum alloy 1550 by means of double-side friction welding with mixing are investigated. The optimum regimes of sample preparation for determining the microhardness and for macro- and micro-investigations of structure are determined experimentally. Different regions of a welded joint, e.g., the core of the weld, the thermomechanically affected zone, the heat-affected zone, the matrix metal, the entering side and side of withdrawal of the working tool, and the surfaces of first and second welding passes, are investigated.
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页码:310 / 314
页数:4
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