利用金相显微镜(OM)、扫描电镜(SEM)、透射电镜(TEM)研究时效处理对亚共析U-Nb合金显微组织结构的影响.结果表明:在低于200℃温区时效,亚共析U-Nb合金的显微组织和相结构未发生变化,为α"弹性马氏体;在240℃时效,α"马氏体已部分分解为γ0相;在高温550℃时效时,马氏体沿奥氏体晶界网状分解为α+γ双相组织.
参考文献
| [1] | Eckelmeyer K H .[J].Metallurgical and Materials Transactions,1984,15A:1319. |
| [2] | Eckelmeyer K H.Physical Metallurgy of Uranium Alloy[M].Columbus:Brook Hill Press,1985:9. |
| [3] | Vandermeer R A .[J].Acta Metallurgica,1980,28:83. |
| [4] | Eckelmeyer K H .The Effect of Quench Rate on the Mechanical Properties of U-6wt%Nb[SAND30-0132][R].USA:Sandia National Laboratory,1984. |
| [5] | Carpenter A .Phase and Texture Analysis of the Alpha-Phase Extruded Uranium-2.4 Sight Percent Niobium Alloy[Y-2239][R].Oak Ridge Y-12 Plant,1981. |
| [6] | Jackon R J .Mechanical Properties of Continuously Cooled Uranium-2.4 Weight Percent Niobium Alloy[RFP-3040][R].,1981. |
| [7] | Saxton H J .Fracture of Uranium Alloys[SLL-74-5215][R].USA:Sandia Laboratory,1974. |
| [8] | Koger J W .Fracture Uniqueness of Uranium Alloy by SEM[Y/DV-7860][R].Oak Ridge National Laboratory,1980. |
| [9] | Kollie J G .[J].Journal of Nuclear Materials,1984,125:160. |
| [10] | Banker J G .Melting and Casting of High Quality Uranium and Uranium Alloy Nigots[Y/DV-6663][R].Oak Ridge National Laboratory Y-12 Plant,1976. |
| [11] | 崔忠圻.金属与热处理[M].北京:冶金工业出版社,1988:65. |
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%