关于液胀成形双金属复合管紧密度测量方法的分析探讨

Analysis and discussion on the tightness measurement method of the hydraulic forming process for bimetallic composite pipe

紧密度是衡量液胀成形双金属复合管综合性能的关键指标,当前尚无关于紧密度统一的测定方式,本文通过对行业内常用的紧密度测定方法进行分析探讨,阐明了各个方法的优缺点,为液胀成形双金属复合管紧密度测定的实际选用奠定了基础。

The common used measurementmethods for tightness have been analyzed and discussed in the text. The advantages ＆ disadvantages of every method have been presented. It has laid foundation for the actual selection of the tightness measurement method ofthe hydraulic forming process for bimetallic composite pipe.