| 摘要 |
An extrusion die has a working surface constituted by a portion of the die body, on which is a layer formed of diffusion products, such as nitrides or borides, of the material of the body, on which in turn is a coating consisting of a binder together with one or more metallic materials or one or more solid lubricants, or both, the die including a coolant conduit arrangement in thermal connection with the working surface. |
