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铁基形状记忆合金管接头连接管道是一项全新的连接技术 ,为解决中小口径管道的连接问题提供了一种安全可靠的方法 ,尤其适用于带有内涂层的管道工程、焊缝应力腐蚀严重的管道工程和要求无明火连接的管道工程。文中详细介绍了铁基形状记忆合金管接头的材料性能、主要特点及优越性 ,论述了铁基形状记忆合金管接头连接管道的基本原理、操作规程、施工特点、工程应用及可靠性评价。总之 ,铁基形状记忆合金管接头连接管道技术在工程上具有高度适应性 ,尤其适合于野外恶劣环境条件下施工 ,具有广阔的工程应用前景 ,值得大力提倡和进一步推广。
Iron-based shape memory alloy pipe fittings connecting pipe is a new connection technology, to solve the problem of small and medium-diameter pipe connection provides a safe and reliable method, especially for pipe coating with an inner coating, weld stress corrosion Serious plumbing and plumbing requiring no open flame connection. In this paper, the material properties, main characteristics and advantages of iron-based shape memory alloy fittings are introduced in detail. The basic principle, operation rules, construction features, engineering application and reliability evaluation of iron-based shape memory alloy fittings are discussed. In short, the iron-based shape memory alloy pipe fittings connecting pipe technology has a high degree of adaptability in engineering, especially suitable for the construction of harsh environmental conditions in the field, has a broad prospect of engineering applications, it is worth promoting and further promotion.