CUTTING TOOL
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United States of America Patent
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Issued Date -
Sep 12, 2024
app pub date -
Jun 17, 2022
filing date -
Jun 23, 2021
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Abstract
A tool includes a superhard part of a polycrystalline diamond (PCD) or a cubic boron nitride (cBN) sintered compact bonded to a cemented carbide substrate and a maraging steel part, where the cemented carbide substrate and the maraging steel part parts are joined by brazing. The present also relates to the making of such tool. The tool provides a strong braze joint and a steel part that have an even hardness.
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