通过铝热法制备了Cu含量为2％,4％,6％(质量分数,下同)的Fe3Al-10％ Ni块体纳米晶材料,用光学显微镜(OM),电子探针(EPMA),X-射线衍射仪(XRD)和透射电镜(TEM)表征了材料的微观结构,并测定了材料的维氏硬度和室温压缩性能.结果表明:Cu含量低(2％)时,合金保持无序bcc结构,晶粒尺寸显著下降；高Cu含量(4％和6％)使合金发生B2型有序化转变.添加Cu元素提高了材料的硬度,但不利于材料塑性的提高.添加2％和6％的Cu元素使材料的屈服强度明显增加,而添加4％的Cu元素使材料的强度明显下降.
参考文献
| [1] | BONETTI E;VALDRE G;ENZO S et al.Nanostructured Fe3Al intermetallic obtained by mechanical alloying and thermal ageing[J].Nano-Structured Materials,1993,2(04):369-375. |
| [2] | Li Yajiang;Wang Juan;Wu Huiqiang .XRD and TEM analysis of Fe_3Al alloy layer on the surface of the calorized steel[J].Materials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization,2001(13/14):2389-2394. |
| [3] | 杨峥,王燚,周爱民,方玉诚.Fe3Al合金100～300 ℃抗拉强度的反常温度现象[J].钢铁研究学报,2002(02):25-27. |
| [4] | 高海燕,贺跃辉,沈培智.FeAl金属间化合物研究现状[J].材料导报,2008(07):68-71. |
| [5] | Josef Pesicka;Guido Schmitz .The relation between the shape of the stress anomaly and the structure of Fe_3Al alloys[J].Intermetallics,2002(7):717-722. |
| [6] | WESTBROOK J H;FLEISCHER R L .Structural applications of intermetallic compounds[J].Intermetallic Compounds,2000,3(05):182-196. |
| [7] | MCKAMEEY C G;DEVAN J H;TORTORELLI P E .A review of recent development in Fe3 Al-based alloys[J].Journal of Materials Research,1991,6(08):1779-1785. |
| [8] | FAIR G H;WOOD J V .Mechanical alloying of Fe-Al intermetallics in the DO3 composition range[J].Journal of Materials Science,1994,29:1935-1939. |
| [9] | K. S. Kumar;H. Van Swygenhoven;S. Suresh .Mechanical behavior of nanocrystalline metals and alloys[J].Acta materialia,2003(19):5743-5774. |
| [10] | 郭建亭.金属间化合物NiAl的研究进展[J].中南大学学报（自然科学版）,2007(06):1013-1027. |
| [11] | 汪才良,朱定一,卢铃.金属间化合物Fe3Al的研究进展[J].材料导报,2007(03):67-69,73. |
| [12] | 楼白杨;刘茂森;毛志远 等.Mn对Fe3 Al合金室温力学性能的影响[J].金属热处理学报,1996,17(01):58-61. |
| [13] | Inoue M.;Suganuma K.;Niihara K.;Nagao H. .Fracture properties of Fe-40 at.% Al matrix composites reinforced with ceramic particles and fibers[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,1998(1/2):298-305. |
| [14] | Inoue, M., -;Niihara, K;Suganuma, K .Fracture mechanism of FeAl matrix composites with discontinuous ceramic reinforcements[J].Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing,1999(1-2):240-245. |
| [15] | 林一坚;殷俊林 .B2型有序Fe-Al基原位复合微晶合金的研究[J].钢铁研究学报,1998,10(03):29-33. |
| [16] | 喇培清,白亚平,赵阳,程春杰.Ni对铝热反应制备块体纳米晶Fe3Al材料力学性能的影响[J].兰州理工大学学报,2010(01):7-11. |
| [17] | LA Peiqing;WEI Yupeng;LV Ruijiao et al.Effect of Mn element on mierostructure and mechanical properties of bulk nanocrystalline Fe3Al based materials prepared by Aluminothermic reaction[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,2010,527:2313-2319. |
| [18] | 王幸宜.催化剂表征[M].上海:华东理工大学出版社,2008:106. |
| [19] | 孙康宁;尹衍升;李爱民.金属间化合物/陶瓷基复合材料[M].北京:机械工业出版社,2002:89-90. |
| [20] | 薛飞,刘江南,严文.Fe3Al金属间化合物研究现状与发展[J].西安工业学院学报,2000(01):67-72. |
| [21] | 崔忠圻.金属学与热处理[M].北京:机械工业出版社,2000:65. |
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%