为改善三元金属硅化物Fe9Cr9Si2的室温脆性,利用激光熔化沉积方法制备了铁基固溶体α增韧FegCt9Si2三元金属硅化物合金(简称α/Fe9cf9Si2合金),其组织由FegCr9Si2初生树枝晶和枝晶间铁基固溶体α组成,合金硬度随Fe9Cr9Si2初生树枝晶体积分数的增加而提高.与单相Fe9cr9Si2合金相比,铁基固溶体增韧Fe9Cr9Si2合金韧性明显改善;在干滑动摩擦条件下,α/Fe9Cr9Si2合金具有低的摩擦系数,并随Fe9cr9Si2体积分数的提高而降低.
参考文献
| [1] | Blau P J .[J].Tribology International,1997,30:321. |
| [2] | Xie Y B .[J].Tribology International,1999,32:351. |
| [3] | Wang HM.;Wang CM.;Cai LX. .Wear and corrosion resistance of laser clad Ni2Si/NiSi composite coatings[J].Surface & Coatings Technology,2003(2/3):202-208. |
| [4] | Xia YQ;Hu JH;Zhou F;Lin YM;Qiao YM;Xu T .Friction and wear behavior of plasma nitrided 1Cr18Ni9Ti austenitic stainless steel under lubrication condition[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2005(1/2):135-141. |
| [5] | Blawert C;Mordike B L .[J].Surface and Coatings Technology,1999,116-119:352. |
| [6] | Zheng Y G;Yao Z M;Ke W .[J].Materials Letters,2000,46:362. |
| [7] | Park C J;Kwon H S;Lohrengel M M .[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,2004,372:180. |
| [8] | Kozlowski R H .[J].Journal of Materials Processing Technology,1995,53:239. |
| [9] | Lu XC.;Jiang XX.;Li SZ. .Effects of sigma phase in stainless steels on corrosive wear behavior in sulfuric acid[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2001(2):1234-1238. |
| [10] | 刘勇,李安,张凌云,王华明.激光熔化沉积Co/Co3Mo2Si三元金属硅化物耐磨合金显微组织[J].稀有金属材料与工程,2005(10):1657-1660. |
| [11] | 王华明;张凌云 .[P].CN 0212149614,2002. |
| [12] | Nolan D;Leskovsek V;Jenko M .[J].Surface and Coatings Technology,2006,201:18. |
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%