Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
CEMENTED CARBIDE AND CUTTING TOOL
A cemented carbide including a hard phase, a binding phase, and inevitable impurities. The hard phase satisfies a first hard phase composed mainly of tungsten carbide, and a second hard phase composed mainly of a compound. The compound contains multiple types of metallic elements including tungsten and at least one element selected from carbon, nitrogen, oxygen, and boron. The second hard phase satisfies D10/D90 < 0.4, wherein D10 denotes a cumulative 10% grain size in an area-based grain size distribution on a surface or cross section of the cemented carbide, and D90 denotes a cumulative 90% grain size in the area-based grain size distribution, and satisfies à 2 < 5.0, wherein à 2 denotes the variance of the distance between the centroids of the nearest two of the second hard phases. The average grain size D W of the first hard phase ranges from 0.8 to 4.0 µm and satisfies D M /D W < 1.0, wherein D M denotes the average grain size of the second hard phase.
CEMENTED CARBIDE AND CUTTING TOOL
A cemented carbide including a hard phase, a binding phase, and inevitable impurities. The hard phase satisfies a first hard phase composed mainly of tungsten carbide, and a second hard phase composed mainly of a compound. The compound contains multiple types of metallic elements including tungsten and at least one element selected from carbon, nitrogen, oxygen, and boron. The second hard phase satisfies D10/D90 < 0.4, wherein D10 denotes a cumulative 10% grain size in an area-based grain size distribution on a surface or cross section of the cemented carbide, and D90 denotes a cumulative 90% grain size in the area-based grain size distribution, and satisfies à 2 < 5.0, wherein à 2 denotes the variance of the distance between the centroids of the nearest two of the second hard phases. The average grain size D W of the first hard phase ranges from 0.8 to 4.0 µm and satisfies D M /D W < 1.0, wherein D M denotes the average grain size of the second hard phase.
CEMENTED CARBIDE AND CUTTING TOOL
HARTMETALL UND SCHNEIDWERKZEUG
CARBURE MÉTALLIQUE ET OUTIL DE COUPE
KIDO YASUKI (Autor:in) / MATSUKAWA MICHIKO (Autor:in) / TSUDA KEIICHI (Autor:in)
24.06.2020
Patent
Elektronische Ressource
Englisch
CEMENTED CARBIDE MATERIAL FOR CUTTING TOOL, AND CUTTING TOOL
| Europäisches Patentamt | 2023