Mitigation of Weldment Cracking in Steel Highway Structures Due to the Galvanizing Process (2021) / Chapter Skim
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10 Organization of Factors Contributing to Liquid Metal Assisted Cracking The literature review led to the identification of a number of factors contributing to cracking associated with the galvanizing process. Two cracking phenomena associated with galvanizing were identified; these were referred to as Type 1 and Type 2 cracking.
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Factors Contributing to Weldment Cracking Due to the Galvanizing Process 11 thermally induced stresses and strains that can be significant. Locations of geometric transition also result in localized stress concentrations that amplify thermally induced stresses and strains during galvanizing.
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12 Mitigation of Weldment Cracking in Steel Highway Structures Due to the Galvanizing Process Mraz & Lesay, 2009; Poag & Zervoudis, 2003; Rudd et al., 2008)
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Factors Contributing to Weldment Cracking Due to the Galvanizing Process 13 welding, and acid pickling (Vervisch, 2009) ; and applied stress.
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14 Mitigation of Weldment Cracking in Steel Highway Structures Due to the Galvanizing Process Research Approach A research plan that included an experimental investigation and a computational study was developed to address the identified gaps in the body of knowledge. The experimental investigation addressed the effect of different factors on the occurrence of LMAC during galvanizing.
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Factors Contributing to Weldment Cracking Due to the Galvanizing Process 15 Factors Included in the Computational Study The experimental test plan was designed to evaluate the effects of the factors affecting LMAC during galvanizing but not to address the thermal effects that are known to increase stresses/ strains and the likelihood for LMAC in full-scale structures during galvanizing. This included a computational study of the behavior of HMIPs of different geometries during the different stages of galvanizing.
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