Static strength assessment of a carbon steel S235 non-load-carrying fillet weld

IF 2.5 4区材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING

Welding in the World Pub Date : 2025-06-12 DOI:10.1007/s40194-025-02099-y

Jozef Dlugoš, Róbert Gális, Lubomír Drápal

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Abstract

There are several guidelines and standards for assessing the load capacity of welds in terms of static loading. The individual procedures – among other things – differ in the limit state considered, the characteristic stress calculation, the material data used and the critical region’s location. Therefore, they lead to different allowable limit loads. The question naturally arises as follows: What is the most accurate calculation? This paper offers an answer to this question for the case of a non-load-carrying weld specimen made of S235JRG2. The specimen under investigation was subjected to the static strength assessment via ČSN 05 0120, Eurocode 3, AWS D1.1/D1.1M:2020, AISC, FKM and the FEMFAT software. Subsequently, an experiment was carried out for a given geometry and a combination of base and weld materials. The methods best correlating with the experiment were uncovered. The rupture of the specimen did not occur near the notches of the weld seam but in the region of the largest plastic deformation. This was also confirmed by a finite element analysis.

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碳钢S235非承载角焊缝的静态强度评估

有一些准则和标准来评估焊接在静载荷方面的承载能力。除其他事项外，个别程序在考虑的极限状态、特征应力计算、使用的材料数据和关键区域的位置方面有所不同。因此，它们导致了不同的允许极限载荷。问题自然出现了：什么是最精确的计算？本文以S235JRG2非承载焊缝试样为例，给出了这一问题的答案。通过ČSN 05 0120、Eurocode 3、AWS D1.1/D1.1 m:2020、AISC、FKM和FEMFAT软件对试件进行静强度评估。随后，对给定的几何形状和基础材料和焊接材料的组合进行了实验。找到了与实验最相关的方法。试样的断裂不是发生在焊缝缺口附近，而是发生在塑性变形最大的区域。有限元分析也证实了这一点。

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 in the World METALLURGY & METALLURGICAL ENGINEERING-

CiteScore

4.20

自引率

14.30%

发文量

181

审稿时长

6-12 weeks

期刊介绍： The journal Welding in the World publishes authoritative papers on every aspect of materials joining, including welding, brazing, soldering, cutting, thermal spraying and allied joining and fabrication techniques.