以CuMoO4-MoO3粉末为前驱体,采用机械化学-氢气共还原的方法制备出Mo-Cu纳米复合粉末.通过DSC对前躯体的制备温度进行研究,通过XRD、SEM及TEM分别对粉末的相组成、形貌和粒度进行表征,从热力学的角度对粉末的还原过程进行分析.结果表明,机械球磨可以有效地降低粉末的颗粒尺寸,增大反应面积,提高粉末还原活性,从而在低温下制备出Mo-Cu复合粉末.通过优化工艺参数,对机械球磨15h的CuMoO4-MoO3混合粉末在680℃下还原,可以得到颗粒尺寸为50～100 nm的Mo-25％Cu (质量分数)纳米复合粉末.
参考文献
| [1] | 陆艳杰,张小勇,楚建新,秦明礼.Ag-Cu-Ti活性法封接AlN陶瓷与Mo-Cu合金[J].真空电子技术,2009(04):14-18. |
| [2] | Ali Z A;Drury O B;Cunningnam M F .[J].IEEE Transactions on Applied Superconductivity,2005,15:52. |
| [3] | 朱爱辉;吕新矿;王快社 et al.[J].中国钼业,2006,30:62. |
| [4] | Chwa SO;Klein D;Liao HL;Dembinski L;Coddet C .Temperature dependence of microstructure and hardness of vacuum plasma sprayed Cu-Mo composite coatings[J].Surface & Coatings Technology,2006(20/21):5682-5686. |
| [5] | Johnson J L;German R M .[J].International Journal of Powder Metallurgy,1999,35:39. |
| [6] | German R M;Hens K F;Johnson J L .[J].InternationalJournalof Powder Metallurgy,1994,30:205. |
| [7] | Shvetsov G.A.;Mary V.J. .Erosion of explosively compacted Mo/Cu electrodes in high-current arc discharges[J].IEEE Transactions on Magnetics,1997(1):410-412. |
| [8] | 吕大铭.钼铜材料的开发和应用[J].粉末冶金工业,2000(06):30-33. |
| [9] | 陈玉柏,范景莲,刘涛,成会朝,韩勇.Mo-30%Cu纳米复合粉末的制备[J].稀有金属材料与工程,2008(07):1209-1212. |
| [10] | 王德志,王光君,周杰,吴壮志.超声波化学镀铜制备钼铜复合粉体[J].中南大学学报（自然科学版）,2008(05):945-950. |
| [11] | Martinez V de P;Aguilar C;Marin J et al.[J].Materials Letters,2007,61:929. |
| [12] | Song P;Cheng J G;Wan L et al.[J].Journal of Alloys and Compounds,2009,476:226. |
| [13] | Kim D G;Lee B H;Oh S T et al.[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,2005,395:333. |
| [14] | Kim D G;Lee K W;Oh S T et al.[J].Materials Letters,2004,58:1199. |
| [15] | Cheng J G;Song P;Gong Y F et al.[J].Material Science and EngineeringA,2008,488:453. |
| [16] | 向铁根.鉬冶金[M].Changsha:Central South UniversityPress,2002:11. |
| [17] | Bao R L;Kong Z P;Gu M et al.[J].Chemical Research in Chinese Universities,2006,22:679. |
| [18] | By L K;RolfN;Birgitta O .[J].Acta Crystallographica,1971,27:2066. |
| [19] | 陈玉柏,范景莲,刘涛,成会朝,田家敏.细晶钼铜合金的制备[J].中国有色金属学报,2008(06):1039-1044. |
| [20] | 程仕平,王德志,汪异,王光君,杨刘晓,赵宝华.氧化钼氢还原动力学研究[J].稀有金属材料与工程,2007(03):459-462. |
| [21] | Werner V. Schulmeyer;Hugo M. Ortner .Mechanisms of the hydrogen reduction of molybdenum oxides[J].International Journal of Refractory Metals & Hard Materials,2002(4):261-269. |
| [22] | 牟科强.氧化物共还原制取W-Cu和Mo-Cu复合材料的研究[J].粉末冶金工业,2004(05):13-16. |
| [23] | Sloczyfiski J .[J].Reactivity of Solids,1989,7:83. |
| [24] | Kim G S;Kim D G;Oh S T et al.[J].Progress in Powder Metallurgy,2007,534-536:1253. |
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%