ATD and DSC Analysis of IN-713C and ZhS6U-VI Superalloys

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ID: 81869
2017
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Abstract
Paper presents the results of ATD and DSC analysis of two superalloys used in casting of aircraft engine parts. The main aim of the research was to obtain the solidification parameters, especially Tsol and Tliq, knowledge of which is important for proper selection of casting and heat treatment parameters. Assessment of the metallurgical quality (presence of impurities) of the feed ingots is also a very important step in production of castings. It was found that some of the feed ingots delivered by the superalloy producers are contaminated by oxides located in shrinkage defects. The ATD analysis allows for quite precise interpretation of first stages of solidification at which solid phases with low values of latent heat of solidification are formed from the liquid. Using DSC analysis it is possible to measure precisely the heat values accompanying the phase changes during cooling and heating which, with knowledge of phase composition, permits to calculate the enthalpy of formation of specific phases like γ or γ′.
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f2017atdarchives Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors F., Binczyk;J., Cwajna;P., Gradoń;
Journal archives of foundry engineering
Year 2017
DOI
DOI not found
URL
http://www.degruyter.com/view/j/afe.2017.17.issue-1/afe-2017-0002/afe-2017-0002.xml?format=INT
Keywords
Materials of engineering and construction. Mechanics of materials Engineering (General). Civil engineering (General) Technology manufactures motor vehicles. aeronautics. astronautics mining engineering. metallurgy

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