采用TEM对5.6%Zn,1.9%Mg,1.6%Cu,1.0%Li,0.3%Er(质量分数)合金中的Er相进行研究,发现Er在合金中主要以AEr形式存在,Al3Er在合金中的形状为块状、点状、片状或蠕虫状,部分Al3Er与铝合金基体共格.细小的Al3Er可作为η相异质形核的核心.Er在合金的晶界有很大的偏析,而且晶界处Al3Er的存在,使该处晶界析出物不连续.
参考文献
| [1] | Sato S;Kumai S;Kobayashi T.Procedings of the 6th International Conference on Aluminum Alloys[C].Toyohashi:The Japan Institute of Light Metals,1998:75-86. |
| [2] | Maloney S K;Hono K;Polear I J et al.[J].MICRON,2001,32:741-747. |
| [3] | Kadi-hanifi M;Tirsatine K.[J].Materials Science Forum,2001(331-337):1067-1070. |
| [4] | Yin Zhimin;Pan Qinglin;Zhang Yonghong et al.[J].Materials Science and Engineering A,2000,280:151-155. |
| [5] | 孙文成.稀土在铝合金中的行为[M].北京:兵器工业出版社,1992 |
| [6] | Milman Y V;Lotsko D V;Sirko O I.[J].Materials Science Forum,2000(331-337):1107-1112. |
| [7] | Senatorova O G;Uksusnikov A N;Legoshina S F.[J].Materials Science Forum,2000(331-337):1249-1254. |
| [8] | Sato S;Kumai S;Kobayashi T.Procedings of the 6th International Conference on Aluminum Alloys[C].Toyohashi:The Japan Institute of Light Metals,1998:499-504. |
| [9] | Sato S;Kumai S;Kobayashi T.[A].Toyohashi:The Japan Institute of Light Metals,1998:2049-2054. |
| [10] | Marouis E A;Seidman D N .[J].Acta Materialia,2001,49:1909-1919. |
| [11] | Riddle Y W;Jr Sanders T H.[J].Materials Science Forum,2000(331-337):939-944. |
| [12] | Polmear I J;Arnold E.Light alloys[M].北京:国防工业出版社,1985:47. |
| [13] | Wei B C;Chen C Q;Gu Y J.[J].Materials Science Forum,2000(331-337):1061-1066. |
| [14] | 白朴存 et al.[J].中国有色金属学报,2000,12(tk):176-179. |
| [15] | Smithells C J.Metals Reference Book[M].London: Butterworth and Co Ltd,1976:121. |
| [16] | Mondolfo L D.Aluminium Alloys: Structure and Properties[M].London: Butterworth & Co Ltd,1976:365-381. |
| [17] | Robson J D;Prangnell P B .[J].Acta Materialia,2001,49:599-613. |
| [18] | Deschamps A;Brechet Y .[J].Scripta Materialia,1998,39(11):1517-1522. |
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