Abstract:
A method for manufacturing a cemented carbide body (1), comprising the following steps: - forming a first part (2, 9, 14, 17) of a first powder composition comprising a first carbide and a first binder phase, - sintering the first part (2) to full density in a first sintering operation, - forming a second part (3) of a second powder composition comprising a second carbide and a second binder phase, - sintering the second part (3) to full density in a second sintering operation, - bringing a first surface (4) of the first part (2) and a second surface (5) of the second part (3) in contact, and - joining the first and second surface in a heat treatment operation.
Abstract:
The present invention relates to a titanium based carbonitride alloy containing Ti, Nb, Ta, W, C, N and Co. The alloy contains - Co 7 to 21 wt % - W 14 to 20 wt % - Ta 5 to 11 wt % - Nb 2 to 7 wt % and, - Ti 33 to 50 wt % whereby the overall N/C weight ratio is 0.6 to 0.75, the Ta/Nb weight ratio 1.8 to 2.1, the relative saturation magnetization 0.60 to 0.90 and the magnetic coercivity Hc= ( 18.2-0.2*Co wt%) +/- E kA/m, where E is 2.0. The invention also relates to a method of making said alloy.
Abstract translation:本发明涉及含有Ti,Nb,Ta,W,C,N和Co的钛基碳氮化物合金。该合金含有Co 7〜21重量%-W 14〜20重量%-Ta 5〜11重量% Nb 2〜7重量%,Ti:33〜50重量%,总N / C重量比为0.6〜0.75,Ta / Nb重量比为1.8〜2.1,相对饱和磁化强度为0.60〜0.90,磁矫顽力Hc =(18.2-0.2 * Co wt%)+/- E kA / m,其中E为2.0。 本发明还涉及制造所述合金的方法。