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Cutting elements leached to different depths located in different regions of an earth-boring tool and related methods
Cutting elements leached to different depths located in different regions of an earth-boring tool and related methods
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机译:位于土方工具不同区域的浸入至不同深度的切削元件及相关方法
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摘要
Earth-boring tools may comprise a body comprising a first region and a second region. The first region may be located closer to a rotational axis of the body than the second region. A first cutting element may be located in the first region and a second cutting element may be located in the second region. A first polycrystalline table of the first cutting element may be substantially free of catalyst material to a first depth and a second polycrystalline table of the second cutting element may be substantially free of catalyst material to a second, greater depth.
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