采用金相、扫描电镜、电化学工作站等分析手段研究了在普通离子氮化炉引入铬、镍离子源,对奥氏体不锈钢进行铬、镍、氮多元离子淹没轰击处理后材料的表面形貌、成分和耐蚀性能等.结果表明:经铬、镍、氮多元离子淹没轰击处理后的奥氏体不锈钢表面形成强化层,表面硬度Hv达到12.7 GPa;该强化层的铬、氮的含量很高,主要由CrN和Fe4N相组成;其耐腐蚀性能与普通离子氮化相比得到明显改善.
参考文献
[1] | Menthe E,Rie K T,Schultze J W,et al.Structure and proper-ties of plasma-nitrided stainless steel[J].Surf Coat Technol,1995,74-75(1):412. |
[2] | Whittle R D T,Scott V D.Sliding-wear evaluation of nitrided austenitie alloys[J].Met Technol,1984,11(6):231. |
[3] | Zhang z L,Bell T.Structure and corrosion resistance of plasma nitrided stainless steel[J].Surf Eng,1985,1(2):131. |
[4] | Czerwiec T,Michel H,Bergrnann E.Low-presage,hish-dendsi-ty plasma nitriding:mechanisms,technology and results[J].Surf Coat Technol,1998.108(II):182. |
[5] | Rolinski E.Effect of plasma nitriding temperature on surface properties of austenitic stainless steel[J].Surf Eng,1987,3(1):35. |
[6] | Flis J,Mankowski J,Rolimki E.Corrosion behaviour of stain-less steels after plasma and ammonia nitriding[J].Surf Eng,1989.5(22):151. |
[7] | Bell T,Sun Y.Low-temperature plasma nitriding and carburis-ing of austenitic stainless steels[J].Heat Treal Met,2002,29(3):57. |
[8] | Yasumaru N.Low-temperature ion nitriding of austenitic stain-less steels[J].Mater Trans JIM,1998,39:1046. |
[9] | Poirier L,Corre Y.Lebrum J P.Solutions to improve surface hardness of stainless steels without loss of corrosion resistance[J].Surf Eng,2002,18(6):439. |
[10] | Jolanta B,Bozena A.Corrosion resistance of nitrided layers on austenitie steel[J].Surf Coat Technol,2006,200(22-23):6623. |
[11] | Fossati A,Borgioli F.Glow-discharge nitriding of AISI 316L anstenitic stainless steel:influence of treatment time[J].Surf Coat Technol,2006,200(11):3511. |
[12] | Wang L.Surface modification of AISI 304 austenitic stainless steel by plasma nitriding[J].Appl Surf Sci,2003,211:308. |
[13] | Georges J.Nitriding process and nitriding furnace therefore[P].US 5,989,363,1999. |
[14] | Zhao C,Li C X,Dong H,et al.Study on the active screen plas-m nitriding and its nitriding mechanism[J].Surf Coat Techn-ol,2006,201(6):2320. |
[15] | Ahangarani Sh,Mahboubi F.Sabour A R.Effects 0f various ni-triding parameters on active screen plasma nitriding behavior of a low-alloy steel[J].Vacuum,2006,80(9):1032. |
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%