利用扫描电镜(SEM)、台阶仪、X射线衍射仪(XRD)、透射电镜(TEM)、显微硬度仪对W6Mo5Cr4V2钢经强流脉冲离子束(HIPIB)辐照前后试样的表面形貌、粗糙度、表层的组织结构及硬度进行了分析,探讨了"熔坑"和硬度"多峰"态形成的原因.结果表明,试样表面粗糙度随辐照次数的增加有所减小;辐照过程使该钢体心立方的马氏体α'-Fe向面心立方的奥氏体γ-Fe转变,碳化物溶解,马氏体溶碳量增大且晶粒细化,点阵畸变度增大,使W6Mo5Cr4V2钢表面硬度有较大的提高.
参考文献
| [1] | Rej D J;Davis H A;Nastasi M et al.Surface modification of AISI-4620 steel with intense pulsed ion beams[J].Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms,1997,127-128:987-991. |
| [2] | X.P. Zhu;M.K. Lei;T.C. Ma .Surface morphology of titanium irradiated by high-intensity pulsed ion beam[J].Nuclear Instruments and Methods in Physics Research, Section B. Beam Interactions with Materials and Atoms,2003(1):69-79. |
| [3] | Zhu XP.;Lei MK.;Dong ZH.;Miao SM.;Ma TC. .Crater formation on the surface of titanium irradiated by a high-intensity pulsed ion beam[J].Surface & Coatings Technology,2003(1):105-110. |
| [4] | 梅显秀,马腾才,王秀敏,徐卫平,宋美丽.强流脉冲离子束辐照W6Mo5Cr4V2高速钢表面改性研究[J].金属学报,2003(09):926-931. |
| [5] | Piekoszewski J;Werner Z;Szymczyk W .Application of high intensity pulsed ion and plasma beams in modification of materials[J].Vacuum,2001,63(04):475-481. |
| [6] | G. E. Remnev;I. F. Isakov;M. S. Opekounov;V. M. Matvienko;V. A. Ryzhkov;V. K. Struts;I. I. Grushin;A. N. Zakoutayev;A. V. Potyomkin;V. A. Tarbokov;A. N. Pushkaryov;V. L. Kutuzov;M. Yu. Ovsyannikov .High intensity pulsed ion beam sources and their industrial applications[J].Surface & Coatings Technology,1999(2/3):206-212. |
| [7] | Miao SM;Zhu XP;Lei MK .Numerical analysis of ablated behaviors on titanium irradiated by high-intensity pulsed ion beam[J].Nuclear Instruments and Methods in Physics Research, Section B. Beam Interactions with Materials and Atoms,2005(3/4):381-391. |
| [8] | 邱爱慈,张嘉生,彭建昌,杨海亮,何小平,石磊,汤俊萍,周南,丁升,牛胜利.用于模拟X射线热-力学效应的高功率脉冲离子束研究进展[J].核技术,2002(09):714-719. |
| [9] | 周南,牛胜利,丁升,邱爱慈.强脉冲离子束辐照热-力学效应研究[J].强激光与粒子束,2000(02):249-253. |
| [10] | 乐小云,赵渭江,颜莎,韩宝玺,向伟.强脉冲离子束辐照金属材料表面热力学效应计算[J].强激光与粒子束,2001(04):456-460. |
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%