一、概述活塞式发动机气缸锈蚀是多年来未能解决的问题,不仅造成大批航材的浪费,而且经常影响发动机正常工作.据初步统计,我厂一九七五年至一九七九年仅活塞七和活塞八两种发动机在翻修时就报废气缸五千多个,平均每年损失达一百七十余万元.气缸大批报废的主要原因是发动机在使用和停放 First, an overview of piston engine cylinder corrosion is not solve the problem over the years, not only caused a large number of aviation materials waste, and often affect the normal operation of the engine.According to preliminary statistics, I plant from 1975 to 1979 only Pistons VII and Pistons eight two engine renovated at the rendezvous when the cylinder more than 5000, an average annual loss of more than 1.7 million yuan. The main reason for a large number of scrapping of the engine is the engine in use and parking