为了提高H13钢的表面耐磨性能,用直流磁控溅射法在氮化与未氮化的H13钢表面沉积CrAlN薄膜,并对处理前后的摩擦磨损性能进行了比较;用扫描电镜观察薄膜形貌,并测其厚度;测量了随炉硅片的薄膜显微硬度;用摩擦磨损试验机测试了在室温和600℃条件下薄膜的摩擦磨损性能.结果表明:薄膜平均厚度为4.8 μm,硬度为23.7 GPa;室温条件下材料的表面摩擦因数为0.60~0.65,600℃条件下摩擦因数为0.61~0.96;CrAlN/氮化H13钢和CrAlN/H13钢在室温摩擦时的耐磨性分别是H13钢的1.9倍和1.7倍,在600℃条件下耐磨性分别是H13钢的1.25倍和7倍.
参考文献
[1] | 崔向红,王树奇,姜启川,洪扁.4Cr3Mo2NiV铸造热锻模具钢的高温磨损机理[J].金属学报,2005(10):1116-1120. |
[2] | 陈丽凤,陈小祝,匡同春,成晓玲.H13钢散热器挤压模具失效分析[J].冶金丛刊,2002(04):13-15. |
[3] | MIN Yong-an,WU Xiao-chun,WANG Rong,LI Lin,XU Luo-ping.Prediction and Analysis on Oxidation of H13 Hot Work Steel[J].钢铁研究学报(英文版),2006(01):44-49. |
[4] | Wang YC .A study of PVD coatings and die materials for extended die-casting die life[J].Surface & Coatings Technology,1997(1/3):60-63. |
[5] | Sun CC;Lee SC;Dai SB;Fu YS;Wang YC;Lee YH .Surface free energy of CrNx films deposited using closed field unbalanced magnetron sputtering[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2006(23):8295-8300. |
[6] | Kaciulis S;Mezzi A;Montesperelli G;Lamastra F;Rapone M;Casadei F;Valente T;Gusmano G .Multi-technique study of corrosion resistant CrN/Cr/CrN and CrN : C coatings[J].Surface & Coatings Technology,2006(1/2):313-319. |
[7] | Romero J;Gomez MA;Esteve J;Montala F;Carreras L;Grifol M;Lousa A .CrAlN coatings deposited by cathodic arc evaporation at different substrate bias[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,2006(1):113-117. |
[8] | Hu SB.;Mei Z.;Li ZZ.;Zhang XB.;Tu JP. .Adhesion strength and high temperature wear behaviour of ion plating TiN composite coating with electric brush plating Ni-W interlayer[J].Surface & Coatings Technology,2001(2/3):174-181. |
[9] | Park, B;Jung, DH;Kim, H;Ya, KC;Lee, JJ;Joo, J .Adhesion properties of TiB2 coatings on nitrided AISI H13 steel[J].Surface & Coatings Technology,2005(1/4):726-729. |
[10] | 崔向红,姜启川,王树奇.新型精铸热锻模具钢高温磨损性能同其显微组织的相关性[J].摩擦学学报,2005(03):211-215. |
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%