不同焊缝长度比对双侧边缘焊接鳍板曲率和变形的影响:使用 SYSWELD 进行的研究

IF 2.5 4区 材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY
V Sudharsanam, C Sathiya Narayanan, B Shanmugarajan, L Prakash
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引用次数: 0

摘要

本研究使用 SYSWELD 软件对鳍板两边缘的气体金属弧焊进行了有限元建模(FEM)。鳍板材料为 SA 387 Gr. 12 Cl 2,尺寸为 1200 mm × 50 mm × 6 mm。鳍板第一条边缘的焊接长度 L1 定为 400 毫米。第二边缘的焊接长度 L2 被选择为 5 个不同的 L2/L1 比率,即 1.00、1.25、1.50、1.75 和 2.00。针对每个比率对鳍片的两个边缘逐一进行了焊接有限元分析,并研究了焊接变形和曲率的结果。结果发现,L2/L1 比值越大,第一道焊缝造成的焊接变形偏移越大,当 L2/L1 = 1.4 时,跨中变形接近零。然而,在所有 L2/L1 比率下,第一条焊缝(L1)的净曲率保持不变。在 L2/L1 = 1.50 的情况下,温度、应变和变形方面的有限元分析结果与相应的实验结果非常吻合,从而证实了有限元分析程序的准确性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of various weld length ratios on the curvature and distortion of a double-side edge welded fin plate: A study using SYSWELD
In this study, finite element modelling (FEM) of gas metal arc welding on two edges of a fin plate was performed, using SYSWELD software. The fin plate material is SA 387 Gr. 12 Cl 2 and its size is 1200 mm × 50 mm × 6 mm. The weld length, L1 on the first edge of the plate was fixed as 400 mm. The weld length, L2 on the second edge was chosen so as to result in five distinct L2/L1 ratios namely 1.00, 1.25, 1.50, 1.75 and 2.00. FEM of welding on the two edges of the fin, one after the other was performed for each ratio and the results on weld distortion and curvature were studied. It was found that increasing the L2/L1 ratio results in higher offset of weld distortion caused by first weld and for L2/L1 = 1.4, the mid-span distortion becomes near-zero. However, the net curvature of first weld segment (L1) stays constant for all L2/L1 ratios. The FEM results, in respect of temperature, strain and distortion for the case of L2/L1 = 1.50 matched well with the corresponding results obtained experimentally, thereby confirming the accuracy of the FEM procedure.
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来源期刊
CiteScore
4.70
自引率
8.30%
发文量
166
审稿时长
3 months
期刊介绍: The Journal of Materials: Design and Applications covers the usage and design of materials for application in an engineering context. The materials covered include metals, ceramics, and composites, as well as engineering polymers. "The Journal of Materials Design and Applications is dedicated to publishing papers of the highest quality, in a timely fashion, covering a variety of important areas in materials technology. The Journal''s publishers have a wealth of publishing expertise and ensure that authors are given exemplary service. Every attention is given to publishing the papers as quickly as possible. The Journal has an excellent international reputation, with a corresponding international Editorial Board from a large number of different materials areas and disciplines advising the Editor." Professor Bill Banks - University of Strathclyde, UK This journal is a member of the Committee on Publication Ethics (COPE).
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