| 2. | The main parameters ( extrusion ratio , temperature , article size , deformation velocity , configuration of die , lubrication etc . ) effecting powder extrusion formability and forming process of powder cladding wire have been analyzed 对影响粉末挤压成形性能的主要参数(挤压比、温度、颗粒度、变形速率、模具入口形状以及润滑等)以及粉末包覆线成形的工艺作了定性的分析。 |