Strength in Rotary Friction Welding of Five Dissimilar Nickel-Based Superalloys

IF 2.2 3区 材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING
B. Taysom, C. Sorensen, T. Nelson
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引用次数: 3

Abstract

Advanced manufacturing processes improve the cost and quality of goods. Rotary friction welding is a fast, energy-efficient, and reliable joining process for metals, but new applications are hindered by large development costs for each new alloy. Each alloy set has different welding characteristics; therefore, lessons learned from a single alloy are not always broadly applicable. To establish knowledge that is applicable across multiple alloys, a family of different superalloys were welded to discover process trends that were applicable beyond a single alloy set. In this study, weld symmetry did not correlate to weld strength across alloy systems. Some alloys’ strongest welds occurred at maximum symmetry, whereas high asymmetry was associated with different alloys’ maximum strength. High feed rates, high welding forces, low energy, and low temperatures all resulted in high-strength welds across all alloy and geometry combinations. Tensile strengths greater than 95% of base-metal strength were recorded for most alloy systems.
五种不同镍基高温合金旋转摩擦焊的强度
先进的制造工艺提高了产品的成本和质量。旋转摩擦焊是一种快速、节能、可靠的金属连接工艺,但每一种新合金的巨大开发成本阻碍了新的应用。每组合金具有不同的焊接特性;因此,从单一合金中吸取的经验教训并不总是广泛适用。为了建立适用于多种合金的知识,焊接了一系列不同的高温合金,以发现适用于单一合金之外的工艺趋势。在这项研究中,焊缝对称性与跨合金系统的焊缝强度无关。某些合金的最强焊缝出现在最大对称时,而高不对称与不同合金的最大强度有关。高进给速率、高焊接力、低能量和低温都可以实现所有合金和几何组合的高强度焊接。大多数合金系统的抗拉强度大于贱金属强度的95%。
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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来源期刊
Welding Journal
Welding Journal 工程技术-冶金工程
CiteScore
3.00
自引率
0.00%
发文量
23
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.
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