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Mg matrix composites with SiC particles ranging from 5vol%-25vol%were prepared using stirring casting method. Die castin......
Research progress state of the forming technologies of the metallic bipolar plate in Hydrogen-Oxygen
Bipolar plates of Hydrogen-Oxygen Fuel Cell is the core of the parts,and the bipolar plates that constitutes about 70%of......
本文概述了当前国外采用的几种主要硫磺成型工艺,着重介绍了干法及湿法液硫粒化工艺特点及其优缺点,可作为改变目前我国采用片状硫成......
四层卷焊管具有可靠性高、强度高以及抗渗漏性强的特点,广泛应用于承受高压的管线中.四层卷焊管生产的关键技术是其成型技术.综合......