研究了几种锌基牺牲阳极材料,如Zn-Al、Zn-Al-Cd和Zn-Al-Cd-RE.考查了材料的电化学性能和在海水中的腐蚀情况,采用金相显微镜和SEM研究了材料的组织与性能.研究结果表明,添加稀土元素可以改善锌基牺牲阳极材料的性能,如晶粒得到细化和均匀.当锌基合金中的添加元素Al、Cd和RE的含量分别为0.5%、0.1%、1.0%时,材料的开路电位、自腐蚀电流和腐蚀速度分别为-1.0519V、328.1μA/cm2和0.010518g/cm2.
参考文献
| [1] | Dowsing R J .Zinc: from protective coatings to formed superplastics[J].Metals and Materials,1986,10(02):19-25. |
| [2] | Braver H E;Peirce W M .The effect of impurities on oxidation and swelling of zinc-aluminum alloys[J].Transactions of the American Institute of Metallurgy,1993,68(11):796-803. |
| [3] | Bess L;Harrison W .Use of cryogenics in a diecasting Plant[J].Die Casting Engineer,1983,27(01):26. |
| [4] | 陶小克,董桂霞,彭日升,孙永昌.固体法稀土硼钒共渗的研究[J].中国稀土学报,2001(02):178-181. |
| [5] | 董旭,胡士信.西气东输工程及其管道防腐蚀概况[J].材料保护,2001(12):1-2. |
| [6] | Bounoughaz M;Salhi E;Benzine K et al.A comparative study of the electrochemical behaviour of Algerian zine and zinc from a commercial sacrificial anode[J].Journal of Materials Science,2003,38(06):1139-1145. |
| [7] | Salinas DR;Bessone JB;Garcia SG .Influence of alloying elements and microstructure on aluminium sacrificial anode performance: case of Al-Zn[J].Journal of Applied Electrochemistry,1999(9):1063-1071. |
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%