Comprehensive Quantitative Evaluation of Stainless Steel Welding Wire Processability for Nuclear Power Based on FAHP

Xiaoping ZOU; Yinglong JIANG; Xu ZHU; Chao WEI; Kai XU; Xiao GUO; Kexin YU

doi:10.7512/j.issn.1001-2303.2022.07.18

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Comprehensive Quantitative Evaluation of Stainless Steel Welding Wire Processability for Nuclear Power Based on FAHP
Vol. 52, Issue 7, Pages: 121-127(2022)
DOI： 10.7512/j.issn.1001-2303.2022.07.18

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邹小平，姜英龙，朱旭，等.基于FAHP的核电用不锈钢焊丝工艺性综合量化评价［J］.电焊机，2022，52（7）：121-127.

ZOU Xiaoping, JIANG Yinglong, ZHU Xu, et al.Comprehensive Quantitative Evaluation of Stainless Steel Welding Wire Processability for Nuclear Power Based on FAHP[J].Electric Welding Machine, 2022, 52(7): 121-127.
邹小平，姜英龙，朱旭，等.基于FAHP的核电用不锈钢焊丝工艺性综合量化评价［J］.电焊机，2022，52（7）：121-127. DOI： 10.7512/j.issn.1001-2303.2022.07.18.

ZOU Xiaoping, JIANG Yinglong, ZHU Xu, et al.Comprehensive Quantitative Evaluation of Stainless Steel Welding Wire Processability for Nuclear Power Based on FAHP[J].Electric Welding Machine, 2022, 52(7): 121-127. DOI： 10.7512/j.issn.1001-2303.2022.07.18.

摘要

近年来焊接材料的焊接工艺稳定性受到了广泛的关注，对焊材的工艺性一般依据经验进行感性评价，缺乏客观依据，为此对焊丝焊道成形质量进行综合量化评价，对于设计方、焊材研制单位、制造厂意义重大。本文基于模糊层次分析法（Fuzzy Analytical Hierarchy Process ，FAHP），建立不锈钢焊丝焊道成形质量综合评价体系，包括了焊道尺寸、焊道颜色、焊道直线度三个一级指标，并建立相对应的二、三级评价指标，权重确定重点突出成形稳定性，建立了优先关系矩阵，对优先关系矩阵进行加性一致性改造成模糊一致矩阵，计算出各指标的权重向量，再次依托TS模糊模型，根据底层采样的范围确定隶属度函数对采样数据进行层层计算，最终实现了综合量化评价，并设计试验对模型进行了验证，对评价结果进行了最大隶属度原则有效性检验，最终结果表明：四个厂家的焊道成形质量隶属“优+良”的程度由高到低排序为2#、3#、1#、4#。

Abstract

In recent years, the welding process stability of welding materials has received extensive attention. The processability of welding material is generally evaluated by experience without objective basis. Therefore, comprehensive quantitative evaluation of welding wire weld bead quality is of great significance to the designers, welding materials development units and manufacturers. Based on the Fuzzy Analytical Hierarchy Process (FAHP) method, a comprehensive evaluation system is established for the weld bead quality of stainless steel welding wire, including three first-grade index of weld bead size, bead color and bead straightness, and corresponding second-grade and third-grade evaluation index are also established. The weight determination focuses on forming stability, and the priority relationship matrix is established. The priority relationship matrix is transformed into a fuzzy consistent matrix with additive consistency, and the weight vectors of each index are calculated. Relying on the TS fuzzy and according to the scope of the bottom layer sampling model, the membership function is determined, and the sampled data is calculated layer by layer, and finally a comprehensive quantitative evaluation is realized. The model is tested and verified by design tests, and the evaluation results are tested for the validity of the maximum membership principle. The result shows that the bead forming quality of the four manufacturers is ranked 2#, 3#, 1#, 4# in descending order of "excellent + good".

关键词

模糊层次分析法不锈钢焊丝量化评价成形质量

Keywords

fuzzy analytic hierarchy processstainless steel welding wirequantitative evaluationforming quality

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