Mechanism and types of soil corrosion on buried steel pipe are introduced, and methods of soil corrosion evaluation of site investigation and analysis in laboratory are discussed.
介绍了土壤对地下钢管腐蚀的机理与类型，讨论了土壤腐蚀现场勘测与实验室分析的评价方法。
The XRD analysis of the corrosion product was made and a hypothesis about corrosion mechanism and some preventive measures were proposed.
根据腐蚀产物的物相分析结果，提出腐蚀机理的假说及防止运行中再次发生腐蚀的办法。
The stress corrosion mechanism of in mixed solutions is explored based upon metallographic analysis of crack development.
依据断口扫描形貌和裂纹扩展途径的金相观察，探讨了在混合溶液中应力腐蚀机制。
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