通过真空电弧熔炼制备了Al0.5FeCoCrNi高熵合金,采用轧制方法获得轧制变形量分别为30%、60%和90%的塑性变形合金,利用金相显微镜、X射线衍射分析仪、扫描电镜及附带能谱分析仪、透射电镜、硬度计和摩擦磨损试验机,研究塑性变形对合金组织结构和性能的影响.结果表明,塑性变形后合金的枝晶相被压扁拉长,枝晶间相沿轧制方向被拉长.合金的加工硬化能力强,轧制变形量分别为30%、60%和90%的合金的显微硬度分别为268.8HV,348.4HV和393.9HV,但耐磨性下降.
参考文献
[1] | 李双寿;曾大本 .轻合金的应用发展现状[J].机械工人(热加工),2001,8:1-2. |
[2] | Yan Ping Wang;Bang Sheng Li;Heng Zhi Fu .Solid Solution or Intermetallics in a High-Entropy Alloy[J].Advanced Engineering Materials,2009(8):641-644. |
[3] | LeeDM;Sun J H;Kan D H et al.A deep eutectic point in quaternary Zr-Ti-Ni-Cu system and bulk metallic glass formation near the eutectic point[J].Intermetallics,2012,21:67-74. |
[4] | Huang K H .A study on the multicomponent alloy systems containing equalmole elements[D].National Tsing Hua University,Hsinchu,Taiwan,1996. |
[5] | Jien-Wei Yeh;Swe-Kai Chen;Su-Jien Lin;Jon-Yiew Gan;Tsung-Shune Chin;Too-Tsung Shun;Chun-Huei Tsau;Shou-Yi Chang .Nanostructured High-Entropy Alloys with Multiple Principal Elements: Novel Alloy Design Concepts and Outcomes[J].Advanced Engineering Materials,2004(5):299-303. |
[6] | 赵亚光,梅虎,戴品强,吴波,郑炜铭.Ti0.5AlCoFeNiCrx高熵合金的微观组织结构与力学性能[J].材料科学与工程学报,2010(05):753-756,768. |
[7] | Zhou YJ;Zhang Y;Wang YL;Chen GL .Solid solution alloys of AlCoCrFeNiTix with excellent room-temperature mechanical properties[J].Applied physics letters,2007(18):181904-1-181904-3-0. |
[8] | C. Li;J.C. Li;M. Zhao .Effect of alloying elements on microstructure and properties of multiprincipal elements high-entropy alloys[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2009(1/2):752-757. |
[9] | Takeuchi A;Chen N;Wada T.Pd20Pt20Cu20Ni20P20 high-entropy alloy as a bulk metallic glass in the centimeter[J].Intermetallics,2011 |
[10] | Chen H Y;Tsai C;Tung C C et al.Effect of the substitution of Co by Mn IN Al-Cr-Cu-Fe-Co-Ni high-entropy alloys[J].Annales de Chimie Science des Materiaux,2006,31(06):685-698. |
[11] | Chun-Ming Lin;Hsien-Lung Tsai .Evolution of microstructure, hardness, and corrosion properties of high-entropy Al_(0.5)CoCrFeNi alloy[J].Intermetallics,2011(3):288-294. |
[12] | Akira Takeuchi;Akihisa Inoue .Calculations of Mixing Enthalpy and Mismatch Entropy for Ternary Amorphous Alloys[J].Materials transactions,2000(11):1372-1378. |
[13] | Tsai C W;Chen Y L;Tsai M H et al.Deformation and annealing behaviors of high-entropy alloy A10.5 CoCrCuFeNi[J].Journal of Alloys and Compounds,2009,486:427-435. |
[14] | Lim S C;Ashby M F .Wear-mechanism maps[J].Acta Metallurgica,1987,35(01):1-24. |
[15] | 吴进明,郑史烈,李志章,曾跃武.冷变形对低滑动速率下Al-10Ti合金磨损的影响[J].磨擦学学报,1999(04):342-347. |
[16] | 温诗铸;黄平.摩擦学原理[M].北京:清华大学出版社,2002:347-348. |
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%