通过粉末冶金法制备Nb-15Ti-11Al-10Si复合材料.通过电子扫描电镜和X射线衍射研究了球磨方式和球磨时间对复合粉末粒度、形貌以及物相组成的影响;采用金相法和排水法研究真空热压烧结温度、保温时间等工艺参数对材料致密度的影响规律.结果表明:通过机械球磨粉末粒度减小并形成过饱和体系,再通过真空热压工艺制备的Nb-15Ti-11Al-10Si复合材料致密度达到96.3%,所获得的Nbss+Nb5Si3复合材料具有优异的组织性能.
参考文献
| [1] | Subramanian P R;Mendiratta M G;Dimiduk D M;Stucke M A .Advanced intermetallic alloys-beyond gamma titanium aluminides[J].Materials Science and Engineering,1997,A239-240:1. |
| [2] | 易丹青,张霞,李荐,吴伯涛,袁均平.Nb-Ti-Al高温Nb合金氧化行为的研究[J].腐蚀科学与防护技术,2005(02):94-97. |
| [3] | Jackson M R;Bewlay B P;Rowe R G .High-temperature refractory metal-intermetallic composites[J].Journal of the Minerals Metals & Materials Society,1996,1:39. |
| [4] | 殷磊,易丹青,肖来荣,杨莉,刘会群.铌及铌合金高温抗氧化研究进展[J].材料保护,2003(08):4-8. |
| [5] | Ringty J D;Singh P M;Lewandow ski J J .Environmental effects on ductile-phase toughening in Nb5Si3-Nb composites[J].Journal of the Minerals Metals & Materials Society,1992,48(01):36. |
| [6] | Murty B S;Ranganathan S .Novel materials synthesis by mechanical alloying[J].International Materials Reviews,1998,43(03):101. |
| [7] | Jin-Chun Kim;Sung-Soo Ryu;In-Hyung Moon .Nanostructural Characteristics and Sintering Behavior of W-Cu Composite Powder Prepared by Mechanical Alloying[J].Journal of advanced materials,1999(4):37-44. |
| [8] | Dymek S;Dollar M;Leonard K .Synthesis and characterization of mechanically alloyed Nb3Al base alloys[J].Materials Science and Engineering,1997,A239-240(1,4):507. |
| [9] | Brandy M P;Verink E D;Smith J W .Oxidation behavior of two-phase Nb-Ti-Al alloys[J].Oxidation of Metals,1999,51(5-6):516. |
| [10] | Sikka V K;Loria E A .Characteristics of a multcomponen Nb-Ti-Al alloys via industrial practice[J].Materials Science and Engineering,1997,A239-240:745. |
| [11] | Keith J L;Vijay K V .Phase equilibrium at 1100 ℃ in the Nb-Ti-Al system[J].Materials Science and Engineering,2002,A329-331:282. |
| [12] | Murayma Y;Hanada S .High temperature strength fracture toughness and oxidation resistance of Nb-Ti-Al-Si multiphase alloys[J].Science and Technology of Advanced Materials,2003,3:145. |
| [13] | Dymeka S;Lorenta A;Wrobela M .Mechanical alloying and microstructure of a Nb-20% V-15% Al alloy[J].Materials Characterization,2001,47(12):375. |
| [14] | 颜建辉,张厚安,李益民.不同致密度MoSi2材料在700～1200 ℃的氧化行为[J].稀有金属,2007(01):18-21. |
| [15] | 唐捷,刘伟,顾家琳,刘乔.Ti-15-3合金超塑性变形及微观组织演变[J].稀有金属,2006(05):577-581. |
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%