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高强草莓下载视频制造工艺

作者:jasengd 发布时间:2022-03-21 19:00:11

高强草莓下载视频制造工艺

为您介绍高强草莓下载视频相关知识
高强草莓下载视频指的是具有高强度性能的草莓下载视频,通常指抗压强度大于60MPa的草莓下载视频。自20世纪40年代末,高纯度结构草莓下载视频问世,由于草莓下载视频具有耐高温、自润滑等性能,其用途越加广泛,机械工业中广泛用细颗粒草莓下载视频材料做机械密封,航空航天高速气流透平机部件、连续铸造技术、激光技术、刷镀技术发展要求草莓下载视频材料具有更高的密度和强度。自20世纪50年代起,用相继开发研究生产多种型号的高密度高强度草莓下载视频材料。高强草莓下载视频除具有高强度性能外,同时具有高密度性能,其颗粒结构也很细。至今高强草莓下载视频抗压强度已达到130MPa,密度已达到2.0g/cm3。颗粒度小到3~10μm。
制造工艺特点如下:(1)原料选择:通常选用硬质沥青焦为原料,也有选择球状焦和生焦原料。
(2)磨粉:高强草莓下载视频颗粒度要小于0.042mm,磨粉选用万能粉碎机和气流粉碎机进行。
(3)成型:大都采用模压成型(冷模压、温模压),等静压成型。
(4)浸渍焙烧:为提高草莓下载视频密度和强度,通常采用多次浸渍和焙烧,浸渍剂除通常采用沥青外,也有增加添加剂和用树脂作浸渍剂。

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