优化高温材料激光束焊接参数的数值模型

IF 0.6 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materiali in tehnologije Pub Date : 2024-02-06 DOI:10.17222/mit.2023.990

R. Palanivel, T. M. Krishnan, Yousef Alqurashi, M. A. Rasheed

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引用次数: 0

摘要

铁素体不锈钢（FSS）是高温材料之一，在发电厂、汽车、近海和化学工业等许多行业中都得到了持续应用。由于高热输入焊接方法会形成金属间化合物和晶粒长大，因此连接这些材料具有挑战性。使用低热输入的激光束焊接（LBW）成功地连接了 AISI 409 FSS 管。在这项工作中，焊接速度和焦距根据双因素、三级面心中心复合设计（FCCCD）而变化，以连接 AISI 409 FSS。开发了一个数值模型来关联极限拉伸强度（UTS）和枸杞焊接工艺参数之间的关系。利用方差分析对所建立的模型进行了验证。焊接速度和焦距对确定 UTS 都有显著影响。正如本文所报告的，优化后的工艺参数可提供更好的 UTS。

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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NUMERICAL MODEL FOR OPTIMIZING THE PARAMETERS FOR LASER-BEAM WELDING OF A HIGH-TEMPERATURE MATERIAL

Ferritic stainless steel (FSS) is one of the high-temperature materials, used in many industries for sustainable applications such as power plants, automotive, offshore and chemical industries. Joining these materials is challenging due to the formation of an intermetallic and the grain growth with high-heat-input welding methods. Laser beam welding (LBW) that uses a low heat input was used successfully to join AISI 409 FSS tubes. In this work the welding speed and focal distance were varied as per a two-factor, three-level face-centred central composite design (FCCCD) to join AISI 409 FSS. A numerical model was developed to correlate the relationship between the ultimate tensile strength (UTS) and LBW process parameters. The validation of the developed model was carried out using the analysis of variance. Both welding speed and focal distance have a significant effect on determining the UTS. The optimised process parameters provided for a better UTS as reported in this paper.

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来源期刊

Materiali in tehnologije 工程技术-材料科学：综合

CiteScore

1.30

自引率

0.00%

发文量

审稿时长

4-8 weeks

期刊介绍： The journal MATERIALI IN TEHNOLOGIJE/MATERIALS AND TECHNOLOGY is a scientific journal, devoted to original papers and review scientific papers concerned with the areas of fundamental and applied science and technology. Topics of particular interest include metallic materials, inorganic materials, polymers, vacuum technique and lately nanomaterials.