Paper Title:

Fuzzy Synthesis Evaluation of Weld Bead Stability for GMAW Prototyping

Periodical Advanced Materials Research (Volumes 148 - 149)
Main Theme Manufacturing Processes and Systems
Edited by Xianghua Liu, Zhengyi Jiang and Jingtao Han
Pages 1241-1245
DOI 10.4028/www.scientific.net/AMR.148-149.1241
Citation Fan Jun Meng et al., 2010, Advanced Materials Research, 148-149, 1241
Online since October, 2010
Authors Fan Jun Meng, Sheng Zhu, De Ma Ba, Hua Yang, Si Ming Xing
Keywords Fuzzy Evaluation, Hierarchy Analytical Theory, Weld Bead Stability
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Abstract

Weld bead stability has an important effect on the quality of prototyped products .In the paper, hierarchy analytical theory, combined with the experiment, is employed to determine the weld bead stability synthesis evaluation weight coefficient of surface quality, weld reinforcement and weld width of weld bead. The membership degree tables of surface quality, weld reinforcement and weld width are created by using fuzzy theory. Thus a evaluation method of bead stability is established and applied to evaluate practical bead stability. It is approved that the calculation value accords with the actual result, which proves the evaluation method of bead stability is effective.