欢迎登录材料期刊网

材料期刊网

高级检索

在自制的Fe-28Al-5Cr合金粉中加入质量分数为10%和20%Al2O3陶瓷颗粒,采用热压烧结技术制备了Fe-28Al-5Cr基复合材料,研究了Al2O3加入量对复合材料组织、力学性能及高温耐磨性能的影响.结果表明:所制备复合材料的相对密度达到99%以上,复合材料由Fe3Al基体和Al2O3增强相组成;Al2O3在复合材料中主要分布在晶界处,当Al2O3的加入量为20%时,形成了连续的网状结构;复合材料的强度比基体合金的低,且其强度随Al2O3含量的增加而降低,但加入20%Al2O3的复合材料的高温耐磨性能比基体合金的有明显改善.

参考文献

[1] Stoloff NS. .Iron aluminides: present status and future prospects[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,1998(1/2):1-14.
[2] 范润华,孙康宁,尹衍升,包志臣.Fe3A1金属间化合物的机械合金化[J].机械工程学报,2000(08):55-58.
[3] Garima Sharma;P.K. Limaye;R.V. Ramanujan;M. Sundararaman;N. Prabhu .Dry-sliding wear studies of Fe_3Al-ordered intermetallic alloy[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2004(1/2):408-414.
[4] Koch CC. .Intermetallic matrix composites prepared by mechanical alloying - a review[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,1998(1):39-48.
[5] Subramanian R.;Schneibel JH.;Buck LR.;Menchhofer PA.;McKamey CG. .Iron aluminide Al2O3 composites by in situ displacement reactions: processing and mechanical properties[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,1998(1/2):119-128.
[6] Yaping Bai;Jiandong Xing;Haoliang Wu;Zhen Liu;Yimin Gao;Shengqiang Ma .Study on preparation and mechanical properties of Fe_3Al-20 wt.%Al_2O_3 composites[J].Materials & design,2012(Aug.):211-219.
[7] Alman DE.;Tylczak JH.;Dogan CP.;Wilson RD.;Hawk JA. .Wear of iron-aluminide intermetallic-based alloys and composites by hard particles[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2001(2):875-884.
[8] Xinghua Zhang;Jiqiang Ma;Jun Yang;Qinling Bi;Weimin Liu .Dry-sliding tribological behavior of Fe-28Al-5Cr/TiC composites[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2011(5/6):881-888.
[9] 尹衍升,李嘉,谭训彦,张金升.机械合金化-加压烧结制备Fe3Al金属间化合物[J].粉末冶金技术,2004(03):151-155.
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:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%