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Keywords = electroslag remelting cladding

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17 pages, 25190 KB  
Article
Simulation of Compound Rolls Produced by Electroslag Remelting Cladding Method
by Zhiwen Hou, Yanwu Dong, Zhouhua Jiang, Xin Deng, Yulong Cao, Haibo Cao, Lev Medovar and Ganna Stovpchenko
Metals 2018, 8(7), 504; https://doi.org/10.3390/met8070504 - 29 Jun 2018
Cited by 4 | Viewed by 5761
Abstract
Electroslag remelting cladding (ESRC) with a t-shape current carrying mold was adopted to make a compound roll including a working layer and mandrel. A comprehensive coupled transient model was established to reveal the basic phenomena of electromagnetic fields, flow fields, temperature fields, and [...] Read more.
Electroslag remelting cladding (ESRC) with a t-shape current carrying mold was adopted to make a compound roll including a working layer and mandrel. A comprehensive coupled transient model was established to reveal the basic phenomena of electromagnetic fields, flow fields, temperature fields, and multiphase flow. Meanwhile, the movement of the mandrel and working layer relative to the slag pool was simulated by dynamic mesh technology to reveal the interface bonding mechanism. The mechanism is as follows: The temperature of the mandrel increases and the mandrel melts slightly when the mandrel passes through the slag pool. The fusion layer is a mixture of molten steel of mandrel and working layer that is the connector between the mandrel and the working layer. Therefore, the interface bonding quality is dependent on a fusion layer that is affected by the voltage/power. The investigation indicates that the fusion layer thickness is between 2 and 4 mm in the condition of 40 V that benefits from obtaining a good interface bonding quality. Full article
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