Szukana fraza: [Afiliacje = "Penkul, A. \: Department of Metal Forming and Foundry, Warsaw University of Technology, Narbutta 85, Warsaw, Poland"]

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Szukana fraza: [Afiliacje = "Penkul, A. \: Department of Metal Forming and Foundry, Warsaw University of Technology, Narbutta 85, Warsaw, Poland"]

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Influence of Tungsten on the Structure and Properties of Ductile Iron Containing 0.8% Cu

D. Myszka Justyna Kasińska A. Penkul

Archives of Foundry Engineering | 2021 | vo. 21 | No 3 | 121-126 | DOI: 10.24425/afe.2021.139760

Słowa kluczowe Metallography Mechanical properties Tungsten Cast iron

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Abstrakt

The possibilities of producing ductile cast iron with the addition of 1 ÷ 3% of tungsten are presented. Tungsten from waste chips from mechanical processing was introduced into the liquid cast iron in the form of specially prepared cartridges. Correct dissolution of tungsten in the metal bath was found, and there were no casting defects in the alloy. The form of carbide precipitates in the microstructure of cast iron was determined and the influence of increasing tungsten content on the reduction of the number of graphite precipitates in the structure was determined. Impact tests show that this property degrades with increasing tungsten content as opposed to hardness which increases. It was found that the addition of tungsten from machining waste is a potential source of enrichment of cast iron with this element.

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Bibliografia

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Autorzy i Afiliacje

D. Myszka

Justyna Kasińska

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ORCID:

A. Penkul

Department of Metal Forming and Foundry, Warsaw University of Technology, Narbutta 85, Warsaw, Poland