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钛作为一种新型的结构材料，具有重量轻、比强度高、耐腐蚀等优点，在军事和民用工业都已获得广泛应用．民用工业尤其注重钛的耐蚀性，而纯钛虽在硝酸等氧化性腐蚀介质中耐蚀性优良，但在盐酸等还原性腐蚀介质中耐蚀性欠佳，在高温氯化物溶液中有产生缝隙腐蚀的倾向．为此而开
As a new type of structural material, titanium has the advantages of light weight, high specific strength and corrosion resistance. It has been widely used in the military and civil industries. Civilian industries pay particular attention to the corrosion resistance of titanium, while pure titanium oxide corrosion resistance in nitric acid and other media is excellent, but in hydrochloric acid and other reducing corrosive media poor corrosion resistance in high temperature chloride solution are generated Crevice corrosion tendency. Open for this