钼和钛的电子束振荡焊接效应

IF 2.2 3区材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING

Welding Journal Pub Date : 2024-01-01 DOI:10.29391/2024.103.003

XIN-MIN Shi, DE-FENG Mo, Tong Zhao, Yang Zhang, Wen Sun, HAI-MEI Gong, Xue Li

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引用次数: 0

摘要

利用电子束摆动对纯钼（Mo）和钛合金（Ti-6Al-4V）进行了电子束焊接。从微观结构、元素分布、化学成分、显微硬度和抗拉强度等方面分析了偏移电子束振荡对焊接接头的影响。结果表明，熔合区随着横梁摆动而扩大。有横梁摆动和无横梁摆动的焊接接头都产生了反应层。反应层的厚度沿垂直方向减小。反应层为（Mo、Ti）固溶体。两个焊接接头都由单相 Mo、β-Ti 相和 Mo-Ti 固溶体组成。与无横梁振荡焊接相比，有横梁振荡焊接接头的显微硬度分布更为一致，最大硬度从 340 HV 降至 270 HV。抗拉强度从 124 兆帕增加到 204 兆帕。

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Effect of Electron Beam Oscillation Welding of Molybdenum and Titanium

Electron beam welding of pure molybdenum (Mo) and titanium alloy (Ti-6Al-4V) was performed with beam oscillation. The effects of beam oscillation with offset on the welded joints were analyzed in terms of microstructure, element distribution, chemical composition, microhardness, and tensile strength. The results showed that the fusion zone expanded with beam oscillation. Reaction layers were generated in both joints welded with and without beam oscillation. The thickness of the reaction layers decreased along the perpendicular direction. The reaction layers were (Mo, Ti) solid solutions. Both welded joints consisted of single-phase Mo, the β-Ti phase, and Mo-Ti solid solutions. The microhardness distribution of the joint welded with beam oscillation was more consistent than that of the joint welded without beam oscillation, and the maximum hardness was reduced from 340 HV to 270 HV. The tensile strength increased from 124 MPa to 204 MPa.

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来源期刊

Welding Journal 工程技术-冶金工程

CiteScore

3.00

自引率

0.00%

发文量

审稿时长

3 months

期刊介绍： The Welding Journal has been published continually since 1922 — an unmatched link to all issues and advancements concerning metal fabrication and construction. Each month the Welding Journal delivers news of the welding and metal fabricating industry. Stay informed on the latest products, trends, technology and events via in-depth articles, full-color photos and illustrations, and timely, cost-saving advice. Also featured are articles and supplements on related activities, such as testing and inspection, maintenance and repair, design, training, personal safety, and brazing and soldering.