采用超音速火焰(HVOF)喷涂技术在1Cr18Ni9Ti不锈钢表面制备了Fe-Cr基涂层,用磁致伸缩汽蚀仪研究了喷涂层的汽蚀性,并与水利机械常用材料ZG06Cr13Ni5Mo马氏体不锈钢进行了对比.结果表明:涂层包含未熔或半熔的球形颗粒和少量孔隙,层与层之间结合紧密,层间无明显条带状组织.Fe-Cr涂层具有高的硬度(1099HV0.2),抗汽蚀性明显优于ZG06Cr13Ni5Mo马氏体不锈钢(285HV0.2).两者的汽蚀形貌存在较大差异,ZG06Cr13Ni5Mo马氏体不锈钢的汽蚀坑圆滑,而Fe-Cr基涂层汽蚀坑形状极不规则,与涂层中的孔隙有某种对应关系.
参考文献
| [1] | TomLinson W J;Bransden A S .Cavitation erosion of laser surface alloyed coations on Al-12% Si[J].Wear,1995,185:59-65. |
| [2] | Wang B Q;Hernert H .Cavitation erosion of TiN films produced by ion-beam-enhanced deposition at room temperature[J].Wear,1989,134:311-319. |
| [3] | Woedr J K;Puget Y .The performance of marine coating and pipe materials under fluid-berne sand erosion[J].WEAR,1997,219:46-59. |
| [4] | Bryan Poulson .Complexities in predicting erosion corrosion[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,1999(0):497-504. |
| [5] | Kerimi A;Verdon C .Slurry erosion behavior of thermally sprayed WC-M coatings[J].Wear,1995,186-187:480-491. |
| [6] | L. Shepeleva;B. Medres;W. D. Kaplan;M. Bamberger;A. Weisheit .Laser cladding of turbine blades[J].Surface & Coatings Technology,2000(1/3):45-48. |
| [7] | 吴玉萍,林萍华,曹明,胡俊华.Ni60+TiC等离子熔覆层的汽蚀特征[J].材料热处理学报,2007(05):128-133,151. |
| [8] | J. Koutsky .High velocity oxy-fuel spraying[J].Journal of Materials Processing Technology,2004(0):557-560. |
| [9] | Daniel W Parker;Gerald L Kuiner.HVOF-spray technology poised for growth[J].Current Advances in Materials and Processes,1991(04):68-74. |
| [10] | Kureda S;Tashire Y;Yumoto H.Peeing action and residual stresses in HVOF thermal spraying of 316L stainless steel[A].USA:ASM International,1998:569-574. |
| [11] | Thorpe;Merle L .Thermal spray-industry in transition[J].Advance Material& Processes,1993,143(05):50-61. |
| [12] | 曾晓雁;吴懿平.表面工程学[M].北京:机械工业出版社,2001:109. |
| [13] | Hearley A;Little J A;Sturgeon A J .The effect of spray parameters on the properties of high velocity oxy-fuel NiAl intermetallic coatings[J].Surface and Coatings Technology,2000,23:210-218. |
| [14] | 吴玉萍,林萍华,王泽华,谢国治,张萍.HVOF喷涂Fe-Cr基涂层中非晶与纳米晶形成的研究[J].材料热处理学报,2006(02):15-19. |
| [15] | Yuping Wu;Pinghua Lin;Guozhi Xie .Formation of amorphous and nanocrystalline phases in high velocity oxy-fuel thermally sprayed a Fe-Cr-Si-B-Mn alloy[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2006(1/2):34-39. |
| [16] | Wu Yuping;Lin Pinghua;Chu Chenglin .Cavitation erosion characteristics of a Fe-Cr-Si-B-Mn coating fabricated by high velocity oxy-fuel (HVOF) thermal spray[J].Materials Letters,2007(8/9):1867-1872. |
| [17] | 江利;孙智;吴玉萍.现代金属材料[M].徐州:中国矿业大学出版社,2000 |
| [18] | Dent A H;Horlock A J;McCartney D G et al.Microstructure formation in high velocity oxy-fuel thermally sprayed Ni-Cr-Mo-B alloys[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,2000,283:242-250. |
| [19] | Kwok CT.;Man HC.;Cheng FT. .Laser surface modification of UNS S31603 stainless steel using NiCrSiB alloy for enhancing cavitation erosion resistance[J].Surface & Coatings Technology,1998(1):31-40. |
| [20] | Feller H G;Kharrazi Y .Cavitatian erosion of metals and alloys[J].WEAR,1984,93(03):249-260. |
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%