旋转摩擦焊参数对AA2024焊接接头力学性能和组织的影响

Q2 Materials Science

Engineering Solid Mechanics Pub Date : 2023-01-01 DOI:10.5267/j.esm.2023.2.003

Lakache Houssem Eddine, May Abdelghani, Badji Riad

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引用次数: 1

摘要

本工作研究了AA2024类似接头的旋转摩擦焊(RFW)，其中焊接操作使用柱钻机(SUPEMEC J320)的改装设备进行。本工作旨在通过基于焊接接头力学测试和微观观察的实验研究来确定最佳RFW参数。抗拉强度值最高(499 MPa)的最佳折衷方案是在转速为2000转/分、摩擦压力为12 MPa、锻造压力为17 MPa的情况下获得的接头。EDX结果表明，金属间化合物(IMCs)存在于焊接接头的各个区域，其大小不同且分布随机。本研究还着重于焊缝界面和断口表面的微观分析，表明主要是韧性断裂模式。

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Rotary Friction Welding Parameters Effects upon Mechanical Properties and Microstructure of AA2024 Weld Joints

The present work investigates Rotary Friction Welding (RFW) of AA2024 similar joints, where the welding operations were carried out using an adapted device to a column-drilling machine (SUPEMEC J320). This work aims to determine the optimal RFW parameters from an experimental study based on mechanical tests and microscopic observations of weld joints. The best compromise, which offers the highest tensile strength value (499 MPa) corresponds to the joint obtained by using a rotational speed of 2000 rpm, a friction pressure of 12 MPa, and a forging pressure of 17 MPa. The EDX results indicate the presence of the intermetallic compounds (IMCs) in each zone of the weld joints, with varying sizes and a random distribution. This study focuses also on the microscopic analyses of the interface of weld joints and the fracture surfaces that indicates a dominant ductile fracture mode.

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来源期刊

Engineering Solid Mechanics Materials Science-Metals and Alloys

CiteScore

3.00

自引率

0.00%

发文量

期刊介绍： Engineering Solid Mechanics (ESM) is an online international journal for publishing high quality peer reviewed papers in the field of theoretical and applied solid mechanics. The primary focus is to exchange ideas about investigating behavior and properties of engineering materials (such as metals, composites, ceramics, polymers, FGMs, rocks and concretes, asphalt mixtures, bio and nano materials) and their mechanical characterization (including strength and deformation behavior, fatigue and fracture, stress measurements, etc.) through experimental, theoretical and numerical research studies. Researchers and practitioners (from deferent areas such as mechanical and manufacturing, aerospace, railway, bio-mechanics, civil and mining, materials and metallurgy, oil, gas and petroleum industries, pipeline, marine and offshore sectors) are encouraged to submit their original, unpublished contributions.