CEMENTED CARBIDE AND CUTTING TOOL USING THE SAME
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Feb 7, 2023
filing date -
Feb 7, 2023
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Abstract
A cemented carbide comprising a plurality of tungsten carbide particles and a binder phase, wherein the cemented carbide comprises a total of 80% by volume or more of the tungsten carbide particles and the binder phase, the cemented carbide comprises 0.1% by volume or more and 20% by volume or less of the binder phase, the cemented carbide comprises at least one first element selected from the group consisting of titanium, tantalum, niobium, zirconium, hafnium, and molybdenum, the cemented carbide comprises a total of 0.01 atomic % or more and 10.0 atomic % or less of the first element, the binder phase comprises 50% by mass or more of cobalt, and the first element is not segregated in a first interface region between the tungsten carbide particles adjacent to each other.
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