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采用ASTM G28A法进行硫酸-硫酸铁晶间腐蚀试验,研究了550—1 100℃范围内不同加热温度、加热时间等参数对哈氏合金C276耐晶间腐蚀性能的影响,结果表明,在700—1 050℃区间,哈氏合金C276具有较强的晶间腐蚀敏感性。
The influence of different heating temperature and heating time in the range of 550-1 100 ℃ on the intergranular corrosion resistance of Hastelloy C276 was studied by ASTM G28A method. The results show that in the 700- In the range of 1 050 ℃, Hastelloy C276 has strong intergranular corrosion sensitivity.