利用浸没法腐蚀实验研究了NiAl-28Cr-5.8Mo0.2Hf(原子分数,%)合金在750℃下,LiCl-10(质量分数,%)Li2O熔盐中的腐蚀行为.该合金是由NiAl(β)相、Cr(Mo)相和少量的Hf的固溶体相组成.实验结果表明:Cr(Mo)相的腐蚀优先于NiAl相的腐蚀,腐蚀产物为LiCrO2、LiAlO2,反应所形成的腐蚀层是非保护性的,因此腐蚀动力学曲线呈直线.
参考文献
| [1] | Soo-haeng Cho;Sang-chul Park;Jun-shan Zhang et al.A study on the corrosion behavior of austenitic stainless steel in hot molten salt of LiCl and LICl-Li2O[J].Korean Journal of Materials Research,1999,9(02):211-216. |
| [2] | Soo-haeng Cho;Jun-shan Zhang;Young-joon Shins et al.Corrosion behavior and effect of alloying element of Fe-based and Ni-based superalloys in molten salts of LiCl and LiCl-Li2O[J].Korean Journal of Materials Research,1999,9(09):985-991. |
| [3] | Soo-haeng Cho;Jun-shan Zhang;Young-joon Shins et al.Corrosion behavior of heat-resistant alloys of more 1 and super 22H in molten salt of LiCl and LiClLi2O[J].Korean Journal of Materials Research,1999,9(10):556-563. |
| [4] | Nobukazu Fujimoto;Masato Yamamoto .Toshiro Nagoya Estimation of the lifetime of Al/Ni-plated material for wet-seal area in molten carbonate fuel cells[J].Journal of Power Sources,1998,71:231-238. |
| [5] | Yukihiro Kawabata;Nobukazu Fujimoto;Masato Yamamoto et al.Long-term corrosion resistance of Al-Ni-plated material and Al-plated material in molten carbonate environment[J].Journal of Power Sources,2000,86:324-328. |
| [6] | 刘震云;林栋梁;黄伯云 等.NiAl金属间化合物研究现状[J].机械工程材料,1998,22(02):15. |
| [7] | 陈健.NiAl基金属间化合物研究现现状与前景[J].材料工程,1994(12):1. |
| [8] | Gonzalez-Carrasco J L;Perez P;Adeva P et al.Oxidation behavior of an ODS NiAl-based intermetallic al loy[J].INTERMETALLICS,1999,7:69-78. |
| [9] | 崔传勇;郭建亭 .NiAl-28Cr-5Mo-1Hf多相金属间化合物的显微组织及力学性能研究[J].金属学报,1999,35(05):477-481. |
| [10] | 崔传勇,郭建亭,齐义辉,叶恒强.定向凝固NiAl-28Cr-5.8Mo-0.2Hf合金的高温拉伸蠕变行为[J].金属学报,2002(04):342-346. |
| [11] | 陈玉喜;崔传勇;贺连龙 等.定向凝固NiA1-Cr(Mo)-Hf合金微观结构的电子显微学研究[J].金属学报,1999,35(09):897-901. |
| [12] | 徐春梅,郭建亭,杨福宝.NiAl-28Cr-5Mo-1Hf合金的高温氧化行为研究[J].金属学报,2001(08):857-860. |
| [13] | 朱日彰;何业东;齐慧滨.高温腐蚀及耐高温腐蚀材料[M].上海:上海科学技术出版社,1993 |
| [14] | 张永刚;韩雅芳;陈国良.金属间化合物结构材料[M].北京:国防工业出版社,2001 |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%