The microstructure, properties and cracks of the fractured cold pressing die made of 45 steel were analyzed by optical microscope, scan electronic microscope and micro-hardness instrument.
采用光学显微镜、 扫描电子显微镜、 硬度机等对表面已开裂破损45钢冷冲模具的组织、性能和断口进行研究分析。
Die pressing process and cold isostatic pressing process are the important methods of making ceramic parts.
陶瓷粉末干压成型和冷等静压成型是制备陶瓷结构部件的重要方法。
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