摘要
采用标准GB/T 15260—1994的方法,对国产及进口的蒸汽发生器690合金传热管进行沸腾硝酸(HNO_3)溶液和沸腾硫酸-硫酸铁[H_2SO_4-Fe_2(SO_4)_3]溶液的晶间腐蚀试验,获得了其晶间腐蚀速率(V)数据和试验后试样的微观形貌。结果表明:国产690合金具有良好的耐晶间腐蚀性能;总体来说,国产690合金的耐晶间腐蚀性能优于进口材料。
According to the standard(GB/T 15260-1994), the experiments of intergranular corrosion of homemade and imported Alloy 690 used in SG tubes are conducted in boiling HNO_3 solutions and boiling H_2SO_4-Fe_2(SO_4)_3 solutions. The intergranular corrosion rate and microstructure of tested specimens are obtained from the experiments. It is found that the homemade Alloy 690 has excellent intergranular corrosion resistance, and the intergranular corrosion resistance of homemade Alloy 690 is generally better than that of imported Alloy 690.
出处
《核动力工程》
EI
CAS
CSCD
北大核心
2017年第S2期128-130,共3页
Nuclear Power Engineering
关键词
传热管
690合金
晶间腐蚀
腐蚀速率
Heat transfer tube
Alloy 690
Intergranular corrosion
Corrosion rate
