A light gradient carbide seal ring and a manufacturing method is characterized by the seal ring by the working and non-working parts composed of parts; 90-94% by weight of the working portion of the tungsten carbide, 6-10% by weight of nickel or cobalt composition, thickness of 1.0-2.5mm; inoperative portion of 40-60% by weight of titanium carbide powder, 10 to 18% by weight of nickel powder, 22-50% by weight of tungsten carbide powder composition; pressed, the first weighing work area with a carbide materials, including adding steel in the flat, and then weighing the non-working parts with lightweight alloy material, including adding steel in flat, pressure pressing, sintering and then placed in a furnace, get two different components of the gradient cemented carbide seal ring.
2013年12月20日星期五
Light Gradient Cemented Carbide Seal Ring and Its Manufacturing Method
A light gradient carbide seal ring and a manufacturing method is characterized by the seal ring by the working and non-working parts composed of parts; 90-94% by weight of the working portion of the tungsten carbide, 6-10% by weight of nickel or cobalt composition, thickness of 1.0-2.5mm; inoperative portion of 40-60% by weight of titanium carbide powder, 10 to 18% by weight of nickel powder, 22-50% by weight of tungsten carbide powder composition; pressed, the first weighing work area with a carbide materials, including adding steel in the flat, and then weighing the non-working parts with lightweight alloy material, including adding steel in flat, pressure pressing, sintering and then placed in a furnace, get two different components of the gradient cemented carbide seal ring.
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