通过模拟研究连续冷却相转变行为和抗大气腐蚀机制,开发了不含贵重合金元素的低成本的铝硅耐候钢,其抗大气腐蚀能力比SPA H和SM490-A分别提高了15％和72％,这得益于锈层内部富集的Al形成的FeAl2O4.大压下量轧制搭配空冷可得到细晶粒多边形铁素体组织,确保了钢板高强高韧性匹配:Re≥400 MPa;Rm≥500MPa;-40℃KV≥100J.
参考文献
| [1] | 董杰,王华川,张婕,霍喜伟,袁鹏举,董俊华,刘春明.经济耐候钢的研究[J].莱钢科技,2007(05):117-121. |
| [2] | 陈吉清,陈邦文,胡敏,宋育来.武钢铁路车辆用耐候钢的开发[J].钢铁研究,2003(05):49-51. |
| [3] | 刘志勇,陈邦文,陈吉清,胡敏,宋育来.武钢铁路车辆及集装箱用耐候钢的现状及发展[J].钢铁研究,2009(06):55-58. |
| [4] | Chen Y Y;Tzeng H J;Wei L I.Corrosion Resistance and Mechanical Properties of Low-Alloy Steels Under Atmospheric Conditions[J].Corrosion Science,2005(47):1001. |
| [5] | Murayama M;Nishimura T;Tsuzaki K.Nano-Scale Chemical Analysis of Rust on a 2％ Si-Bearing Low Alloy Steel Exposed in a Coastal Environment[J].Corrosion Science,2008(50):2159. |
| [6] | Toshiyasu Nishimura;Akira Tahara;Toshiaki Kodama .Effect of Al on the Corrosion Behavior of Low Alloy Steels in Wet/Dry Environment[J].Materials transactions,2001(3):478-483. |
| [7] | Nishimura T.Electrochemical Behaviour and Structure of Rust Formed on Si-and Al-Bearing Steel After Atmospheric Exposure[J].Corrosion Science,2010(52):3609. |
| [8] | Nishimura T.Rust Formation and Corrosion Performance of Si-and Al-Bearing Ultrafine Grained Weathering Steel[J].Corrosion Science,2008(50):1306. |
| [9] | 续伟霞,郑为为,石俊亮,孙祖庆,张艳.新型耐候钢连续冷却转变曲线的测定[J].材料热处理学报,2007(05):70-73. |
| [10] | Hwang B;Lee C G;Lee T H.Correlation of Microstructure and Mechanical Properties of Thermo-Mechanically Processed Low-Carbon Steels Containing Boron and Copper[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,2010(41):85. |
| [11] | 陈新华 .合金元素对经济耐候钢大气腐蚀协同抑制作用[D].中国科学院金属研究所,2007. |
| [12] | 王博,郑春玉,郑艳,王德永,刘承军,姜茂发.高铬耐候钢的电化学行为研究[J].腐蚀科学与防护技术,2009(04):362-364. |
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%