铝铌合金是具有较高强度及硬度的结构材料和涂层材料.采用2kW连续波Nd-YAG激光在AA6041Al合金表面制备Al-Nb金属间化合物激光合金化改性层.采用功率密度62.5 J·mm-2,交互作用时间0.065 s,保护气氩气流量为20 L·min-1的激光辐照处理工艺,可获得无孔洞及裂纹、致密的Al-Nb金属间化合物改性层.采用光学显微镜、扫描电子显微镜、能谱仪、X射线衍射仪及显微硬度计,研究改性层的表面组织形貌,成分分布、组织结构及硬度分布.
参考文献
| [1] | Chong PH.;Yue TM.;Man HC. .Microstructure and wear properties of laser surface-cladded Mo-WC MMC on AA6061 aluminum alloy[J].Surface & Coatings Technology,2001(1/3):51-59. |
| [2] | Masahiro Okumiya;Yoshiki Tsunekawa;Toshiyuki Murayama .Surface modification of aluminum using ion nitriding and fluidized bed[J].Surface and Coatings Technology,2001,142-144:235. |
| [3] | Janik-czachor M;Jaskiewicz A;Kedzierzawski P et al.Stability of the passive state of Al-Ta and Al-Nb amorphous alloys[J].Materials Science and Engineering A,2003,358(1-2):171. |
| [4] | Akiyama E;Habazaki H;Kawashima A .Corrosion-resistant amorphous aluminum alloys and structure of passive films[J].Materials Science and Engineering A,1997,226-228:920. |
| [5] | Edrisy A.;Cheng YT.;Alpas AT.;Perry T. .Wear of thermal spray deposited low carbon steel coatings on aluminum alloys[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2001(2):1023-1033. |
| [6] | Li R;Ferreira M G S;Almeida A et al.Localized corrosion of laser surface melted 2024-T351 aluminium alloy[J].Surface and Coatings Technology,1996,81(2,3):290. |
| [7] | Numakura H;Ikeda T;Nakajima H et al.Diffusion in Ni3Al,Ni3Ga and Ni3Ge[J].Materials Science and Engineering A,2001,312(1-2):109. |
| [8] | 刘明月,孙康,吴树俊,李伟.铝与K2TiF6混合粉末的高能球磨反应[J].稀有金属,2002(05):332-335. |
| [9] | 张松,张春华,刘常升,文効忠.铝合金表面激光熔覆NiCrBSi的空泡腐蚀性能[J].稀有金属材料与工程,2002(02):99-102. |
| [10] | 张松,康煜平,文(xiao)忠,吴维(shan),王茂才.铝合金表面激光熔覆原位自生TiC增强金属基复合材料涂层[J].稀有金属材料与工程,2001(06):422-427. |
| [11] | Pierantoni M;Wagniere J D;Blank E .Improvement in the surface properties of Al-Si cast alloys by laser surface alloying[J].Materials Science and Engineering A,1989,110(1,2):L17. |
| [12] | DasDK;ParadkarAG;MishraRS .Microstructure and creep behaviour of laser surface alloyed aluminium[J].Scripta Metallurgica et Materialia,1992,26(08):1211. |
| [13] | Zhang Chunhua;Zhang Song;Man Hauchung.Microstructure and cavitation erosion behaviour of laser surface cladding Ni-basad alloy[J].Journal of Iron and Steel Research,2002(zk):313. |
| [14] | Reip C P;Sauthoff G .Deformation behaviour of the intermetallic phase Al3Nb with DO22 structure and of Al3Nb-base alloys:Part Ⅰ. Physical properties and short-term behaviour[J].INTERMETALLICS,1993,1(03):159. |
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%