Ag元素替代部分Mg可以改善Mg75Ni15Gd10的非晶形成能力,制备尺寸由3 mm提高到Mg69Ni15Gd10Ag6的7mm.Ag的添加可提高非晶在盐溶液中腐蚀产物的致密性,使腐蚀电位正移,腐蚀电流降低,提高电化学反应电荷转移电阻,使金属基体腐蚀溶解反应变得困难,使非晶合金Mg75Ni15Gd10在0.1 mol/L NaCl溶液中的腐蚀速率下降62%.同时,Ag的添加可以使非晶合金Mg75Ni15Gd10在90次充/放电后的容量保持率由55%提高到75%.
参考文献
[1] | Wang W H .[J].Progress in Materials Science,2007,52(04):540. |
[2] | Ma H;Zheng Q;Xu J;Li Y;Ma E .Doubling the critical size for bulk metallic glass formation in the Mg-Cu-Y ternary system[J].Journal of Materials Research,2005(9):2252-2255. |
[3] | Men H;Kim W T;Kim D H .[J].Materials Transactions,2003,44(10):2141. |
[4] | Xi XK;Wang RJ;Zhao DQ;Pan MX;Wang WH .Glass-forming Mg-Cu-RE (RE = Gd, Pr, Nd, Tb, Y, and Dy) alloys with strong oxygen resistance in manufacturability[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,2004(3):105-109. |
[5] | Liu W Y;Zhang H F;Hu Z Q et al.[J].Journal of Alloys and Compounds,2005,397(1-2):202. |
[6] | Yuan G;Inoue A .[J].Journal of Alloys and Compounds,2005,387(1-2):134. |
[7] | Ma H.;Ma E.;Xu J. .A new Mg65Cu7.5Ni7.5Zn5Ag5Y10 bulk metallic glass with strong glass-forming ability[J].Journal of Materials Research,2003(10):2288-2291. |
[8] | Zheng Q;Ma H;Ma E;Xu J .Mg-Cu-(Y,Nd) pseudo-ternary bulk metallic glasses: The effects of Nd on glass-forming ability and plasticity[J].Scripta materialia,2006(6):541-544. |
[9] | Park E S;Kyeong J S;Kim D H .[J].Materials Science and Engineering A,2007,449-451:225. |
[10] | Park ES;Lee JY;Kim DH .Effect of Ag addition on the improvement of glass-forming ability and plasticity of Mg-Cu-Gd bulk metallic glass[J].Journal of Materials Research,2005(9):2379-2385. |
[11] | Kang H G;Park E S;Kim W T et al.[J].Materials Transactions,2000,41(07):846. |
[12] | Amiya K;Inoue A .[J].Materials Transactions,2000,41(11):1460. |
[13] | Park E S;Kim W T;Kim D H .[J].Materials Transactions,2004,45(07):2474. |
[14] | Men H;Hu Z Q;Xu J .[J].Scripta Materialia,2002,46(10):699. |
[15] | 冯艳,袁华堂,乔林军,刘强.Mg0.9M0.1Ni(M=Cr,Al,Ti,Zr)三元镁基储氢合金的制备及其电化学性能的研究[J].南开大学学报(自然科学版),2005(02):74-79. |
[16] | 肖学章,陈长聘,王新华,陈立新,王丽,高林辉.Mg-Fe-Ni非晶储氢电极材料的微结构和电化学性能[J].物理化学学报,2005(05):565-568. |
[17] | 王权,季世军,孙俊才.Mg-Ti-Mn-Ni基非晶贮氢合金的电化学性能研究[J].电源技术,2005(07):450-452. |
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%