冷喷涂304不锈钢层耐腐蚀性能优良，而喷涂气体温度对涂层组织结构与性能影响较大。采用不同温度的喷涂气体，在低碳钢表面冷喷涂304不锈钢层，探讨了喷涂气体温度对涂层相结构、致密度、厚度、硬度、内聚结合力以及沉积率的影响。结果表明：提高喷涂气体温度对304不锈钢涂层的物相无影响，不会使涂层明显氧化；随喷涂气体温度升高，喷涂粒子的碰撞速度与塑性变形能力增大，粒子沉积的临界速度变小，涂层致密度、硬度、内聚结合力以及沉积率变大。
参考文献
| [1] | Trillo E A;Behran R;Maldonado J G et al.Combined effects of deformation (strain and state),grain size,and carbon content on carbide precipitation and corrosion sensitization in 304 stainless steel[J].Materials Characterization,1995,35(02):99-112. |
| [2] | Karthikeyan J;Iaha T;Balani K.Microstructural and electrochemical characterization of cold-sprayed 1100 aluminum coating[A].Osaka:[s.n.],2004:341-346. |
| [3] | 王爱萍,常新春,侯万良,王建强.镍基非晶合金涂层的制备与腐蚀性能[J].金属学报,2006(05):537-539. |
| [4] | Y.H. Yoo;S.H. Lee;J.G. Kim .Effect of heat treatment on the corrosion resistance of Ni-based and Cu-based amorphous alloy coatings[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2008(1/2):304-311. |
| [5] | Wen-Ya Li;Hanlin Liao;G. Douchy .Optimal design of a cold spray nozzle by numerical analysis of particle velocity and experimental validation with 316L stainless steel powder[J].Materials & Design,2007(7):2129-2137. |
| [6] | 王佳杰,王志平,霍树斌,张颖,王吉孝.超音速冷喷涂铜涂层特性分析[J].焊接学报,2007(04):77-80. |
| [7] | Grujicic M;Zhao C L;Tong C et al.Analysis of the impact velocity of powder particles in the cold-gas dynamic-spray process[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,2004,368(1-2):222-230. |
| [8] | Alkhimov A P;Kosarev V F;Klinkov S V .The features of cold spray nozzle design[J].Journal of Thermal Spray Technology,2001,10(02):375-381. |
| [9] | 章华兵,张俊宝,单爱党,吴建生,宋洪伟.气体温度对冷喷涂Ni粒子结合与变形行为的影响[J].金属学报,2007(08):823-828. |
| [10] | Saden H. Zahiri;Darren Fraser;Stefan Gulizia;Mahnaz Jahedi .Effect of Processing Conditions on Porosity Formation in Cold Gas Dynamic Spraying of Copper[J].Journal of Thermal Spray Technology,2006(3):422-430. |
| [11] | Balani K;Laha T;Agarwal A;Karthikeyan J;Munroe N .Effect of carrier gases on microstructural and electrochemical behavior of cold-sprayed 1100 aluminum coating[J].Surface & Coatings Technology,2005(2/3):272-279. |
| [12] | Lee J;Shin S;Kim H;Lee C .Effect of gas temperature on critical velocity and deposition characteristics in kinetic spraying[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2007(7):3512-3520. |
| [13] | Hamid Assadi;Frank Gartner;Thorsten Stoltenhoff .Bonding mechanism in cold gas spraying[J].Acta materialia,2003(15):4379-4394. |
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%