ASTM C871可浸出氯化物,氟化物,硅酸盐及钠离子用绝热材料的化学分析的标准试验方法
日期:2012-02-13 21:46
at the hot stainless steel surface.
The presence of sodium and silicate ions in the insulation has been found to inhibit external stress corrosion cracking caused by chloride (and fluoride) ions, whether such ions come from the insulation itself or from external sources. Furthermore, if the ratio of sodium and silicate ions to chloride (and fluoride) ions is in a certain proportion in the insulation, external stress corrosion cracking as a result of the presence of chloride (and fluoride) in the
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