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<p>The influence of the granulometric composition of ferroalloy components in the core of flux-cored wire (FCW) on the arc surfacing stability is investigated, and the FCW melting characteristics, deposition quality, microstructural features, and properties of the multilayer deposited metal are also investigated. The FCW core contained an identical mixture of ferroalloy components designed to produce deposited metal of the 50Kh2N2MFS type. The difference between the studied FCWs consisted in the granulometric composition of their core: 50–300 μm for the reference FCW and 50–100 μm for the experimental FCW. The feasibility of using ferroalloy compositions with a&#xa0;minimal particle size distribution (50–100 μm) in the FCW core for arc surfacing was demonstrated, as it improved FCW melting characteristics, process stability, and deposition quality, which in turn positively affected the structure and properties of the deposited metal.</p>

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Influence of the granulometric composition of flux-cored wire on the surfacing stability and structure of 50Kh2N2MFS metal

  • 期刊论文

  • 发表日期：

    2025年10月1日

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  • A. A. Babinets,
  • M. M. Voron,
  • S. L. Schwab

摘要

The influence of the granulometric composition of ferroalloy components in the core of flux-cored wire (FCW) on the arc surfacing stability is investigated, and the FCW melting characteristics, deposition quality, microstructural features, and properties of the multilayer deposited metal are also investigated. The FCW core contained an identical mixture of ferroalloy components designed to produce deposited metal of the 50Kh2N2MFS type. The difference between the studied FCWs consisted in the granulometric composition of their core: 50–300 μm for the reference FCW and 50–100 μm for the experimental FCW. The feasibility of using ferroalloy compositions with a minimal particle size distribution (50–100 μm) in the FCW core for arc surfacing was demonstrated, as it improved FCW melting characteristics, process stability, and deposition quality, which in turn positively affected the structure and properties of the deposited metal.