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A New Method for Weld Dilution Calculation through Chemical Composition Analysis by Zhang, Zhanhui ;Huang, Xuefei ;Yao, Ping ;Xue, Jiaxiang is a Engineering article available to read on EtoBox.

What is A New Method for Weld Dilution Calculation through Chemical Composition Analysis about?

Aiming at existing methods unable to reveal the definition of dilution in welding accurately, such as the limited formula's range of 0~1 mathematically, a new way which can be widely applied to various welds alloying either one or more compositions was proposed. Dilution values obtained using different methods through chemical composition analysis were compared and the effect of heat inputs on dilution was researched. The results show that the proposed method fabricated mathematically agrees well with the definition of dilution in welding. Especially, by dilution increasing to a level higher than the critical value, it reveals the fact that a weld can be concentrated as well when the filler wire is rich in the same composition as the substrate does. Besides, the method demonstrates that the gross dilution for a bead is a combined result that is affected by each individual composition. However, whether a composition is diluted or concentrated, composition's concentrations are propelled by the increase of heat input toward that of the original substrate. During the process, the dilution value changes sharply before the heat input reaches the transition point (TP) of 0.18 kJ/mm, while

Who reads A New Method for Weld Dilution Calculation through Chemical Composition Analysis?

Author

Zhang, Zhanhui ;Huang, Xuefei ;Yao, Ping ;Xue, Jiaxiang

Publisher

MDPI AG

Published

2021

Language

EN

Field

Engineering (Physical Sciences)