提高自蔓延高温合成陶瓷复合管内衬陶瓷层性能的进展

The Progress on Improving the Performance of Ceramic Liner of SHS Ceramic Composite Pipe

将离心技术和自蔓延高温合成技术结合,开发了离心自蔓延高温合成技术。该技术具有工艺与设备简单、生产率高、节能和成本低等特点,为陶瓷复合管的生产提供了新的途径。自蔓延高温合成陶瓷复合管性能取决于内衬陶瓷层性能,从提高陶瓷层致密度、减少裂纹、改善韧性和提高耐腐蚀性等四个方面,对提高自蔓延高温合成陶瓷复合管内衬陶瓷层性能的途径进行了总结。

A combination of the SHS method and centrifugal process is investigated to produce a composite pipe by coating a ceramic liner on inner surface of common carbon steel pipe.The ceramic-lining pipes are characterized by simple process and equipment,high productivity,energy-saving performance and low cost,providing a new approach for the ceramic composite pipe production.The performances of SHS composite pipes depend on ceramic-liner,The paper summarizes the ways for the improvement of the performances of SHS composite pipes with respect of increasing densification and corrosive resistance,improving toughness,and decreasing crack ratio.