对Ti50Ni44Al6和Ti50Ni41Al6Nb3合金在1073 K循环氧化行为的测试表明,Nb的加入显著改善合金的高温抗氧化性能.Ti50Ni44Al6合金在1073 K经过100 h循环氧化后形成外层以TiO2为主并含有少量Al2NiO4、内层为TiNiO3的氧化层,合金的氧化动力学服从线性规律;Ti50Ni41Al6Nb3合金生成以TiO2为主的氧化膜,在外氧化层下面形成了一层富Nb和Al的复合氧化物,显著阻碍氧以及合金元素的扩散,降低了合金的氧化速率,合金高温氧化动力学遵从抛物线规律.
参考文献
[1] | Otsuka K,Wayman C M.Shape Memory Materials.London:Cambridge University Press,1998:1 |
[2] | Duerig T W,Melton K N,Proft J L.In:Duerig T W,ed.,Engineering Aspects of Shape Memory Alloys,London:Btterworth-Heinemann,1990:130 |
[3] | Hsieh S F,Wu S K.J Mater Sci,1997; 32:989 |
[4] | Ohishi K,Horita Z,Nemoto M.Mater Trans JIM,1997;38:99 |
[5] | Jung J,Ghosh G,Isheim D,Olson G B.Metall Mater Trans,2003; 34A:1221 |
[6] | Koizumi Y,Ro Y,Nakazawa S,Harada H.Mater Sci Eng,1997; A233:36 |
[7] | Roy T K,Balasubramaniam R,Ghosh A.Metall Mater Trans,1996; 27A:3993 |
[8] | Zeng C L,Li M C,Liu G Q,Wu W T.Oxid Met,2002;58:171 |
[9] | Firstov G S,Vitchev R G,Kumar H,Blanpain B,Humbeeck J Van.Biomaterials,2002; 23:4863 |
[10] | Varma S K,Chan A,Mahapatra B N.Oxid Met,2001; 55:423 |
[11] | Shida Y,Anada H.Oxid Met,1996; 45:197 |
[12] | Sunderkotter J D,Schmutzler H J,Haanappel V A C,Hofman R,Glatz W,Clemens H,Stroosnijder M F.Intermetallics,1997; 5:525 |
[13] | Perez P,Haanappel V A C,Stroosnijder M F.Mater Sci Eng,2000; A284:126 |
[14] | Roy T K,Balasubramaniam R,Ghosh A.Metall Mater Trans,1996; 27A:4003 |
[15] | Jiang H R,Hirohasi M,Lu Y,Hitoshi I.Scr Mater,2002;46:639 |
[16] | Chu C L,Wu S K,Yen Y C.Mater Sci Eng,1996; A216:195 |
[17] | Li M S.The High Temperature Corrosion of Metals.Beijing:Metallurgical Industry Press.2001:5,63 (李美栓.金属的高温腐蚀.北京:冶金工业出版社,2001:5,63) |
[18] | Welsh G,Kahveci A J.In:Grobstein T,Doychat J,eds.,Oxidation of High Temperature Intermetallics,Warrendale,Pennsylvania:The Minerals,Metals and Materials Society,1989:207 |
[19] | Meier G H,Appalonia D.In:Grobstein T,Doychat J,eds.,Oxidation of High Temperature Intermetallics,Warrendale,Pennsylvania:The Minerals,Metals and Materials Society,1989:185 |
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%