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- W2022484920 abstract "A powder metallurgical high-speed steel containing (wt%) 2.3C, 4.2Cr, 6.7W, 7.0Mo, 6.4V, and 10.3Co was quenched from 1180°C and triple tempered for 1 hour at 560°C to secondary hardness maximum. Some of the resulting types of carbide precipitates were analysed using atom-probe field-ion microscopy. The following preliminary results were obtained: 1. The martensite contained plate-shaped MC-type precipitates, 1–2 nm thick and up to 20 nm in diameter. The composition obtained corresponds to the approximate formula: (V0.32Mo0.39W0.07Cr0.21)C0.86 2. The martensite also contained a high density of thin precipitate platelets, many only a few atomic planes thick and with a largest dimension of typically 5 nm. These precipitates were rich in Fe, Mo and Cr, and their C content suggests a structure M2C or M3C. 3. One type of primary carbide, M6C, was analysed. The composition may be written: (Fe, Co, Cr, Si, V)3.55(Mo, W)2.45C which is within the stability range of the η1-phase." @default.
- W2022484920 created "2016-06-24" @default.
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- W2022484920 date "1981-07-01" @default.
- W2022484920 modified "2023-10-16" @default.
- W2022484920 title "Atom-probe microanalysis of a tempered high-speed steel" @default.
- W2022484920 cites W2040110892 @default.
- W2022484920 doi "https://doi.org/10.1016/0036-9748(81)90013-2" @default.
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