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- W4387668814 abstract "There are numerous methods used for measuring the coefficient of thermal expansion of alloys and density change at low temperatures, but it is difficult to accurately measure the volume and density of high-temperature melts, particularly during the process of rapid volume change during material phase transformation. This article proposes a method for measuring and analysing the volume and density changes in high-temperature alloy melts using high-speed photography and computer MATLAB program image analysis technology, which includes the ordinary image threshold segmentation method, the elliptical fitting method, and the local dynamic threshold segmentation method. The ordinary image threshold segmentation method is best suited to samples with clear boundaries; the elliptical fitting method is the simplest and can be used to analyse samples with unclear boundaries; and the local dynamic threshold segmentation method is the most accurate and best suited to samples with unclear boundaries. These techniques will aid in understanding the variations in the volume and density of high-temperature melt samples during the phase transition process." @default.
- W4387668814 created "2023-10-17" @default.
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- W4387668814 date "2023-10-16" @default.
- W4387668814 modified "2023-10-17" @default.
- W4387668814 title "Density Testing Method for Undercooling Solidification of High-Temperature Metal Melts" @default.
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- W4387668814 doi "https://doi.org/10.3390/cryst13101502" @default.
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