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Cubic boron nitride sintered body and method for manufacturing the same
A cubic boron nitride sintered body includes cubic boron nitride, a binder, and a metal catalyst element, a content by percentage of the cubic boron nitride is 50 vol % or more and 85 vol % or less, a content by percentage of the catalyst is 0.5 mass % or more and 5 mass % or less. A sum of a detected peak value of nitrogen and a detected peak value of boron at each of arbitrary measurement points on line segments is calculated, a measurement point at which the sum is a half or less of a maximum value among the sums at all measurement points respectively is identified as a binder-portion measurement point, and a ratio of the number of measurement points at which the catalyst element is not detected among the binder-portion measurement points, to a total number of all binder-portion measurement points, is 30% or less.
Cubic boron nitride sintered body and method for manufacturing the same
A cubic boron nitride sintered body includes cubic boron nitride, a binder, and a metal catalyst element, a content by percentage of the cubic boron nitride is 50 vol % or more and 85 vol % or less, a content by percentage of the catalyst is 0.5 mass % or more and 5 mass % or less. A sum of a detected peak value of nitrogen and a detected peak value of boron at each of arbitrary measurement points on line segments is calculated, a measurement point at which the sum is a half or less of a maximum value among the sums at all measurement points respectively is identified as a binder-portion measurement point, and a ratio of the number of measurement points at which the catalyst element is not detected among the binder-portion measurement points, to a total number of all binder-portion measurement points, is 30% or less.
Cubic boron nitride sintered body and method for manufacturing the same
SORAI YOSHIAKI (Autor:in) / OKAMURA KATSUMI (Autor:in) / FUKAYA TOMOHIRO (Autor:in)
08.11.2016
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME
/
B22F
Verarbeiten von Metallpulver
,
WORKING METALLIC POWDER
/
B28B
Formgeben von Ton oder anderen keramischen Stoffzusammensetzungen, Schlacke oder von Mischungen, die zementartiges Material enthalten, z.B. Putzmörtel
,
SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
/
C22C
Legierungen
,
ALLOYS
/
C23C
Beschichten metallischer Werkstoffe
,
COATING METALLIC MATERIAL
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