高Al低密度钢的高温氧化行为

doi:10.13228/j.boyuan.issn1001-0963.20140445

钢铁研究学报 ›› 2015, Vol. 27 ›› Issue (3) : 54-59. DOI: 10.13228/j.boyuan.issn1001-0963.20140445

材料研究

高Al低密度钢的高温氧化行为

冷德平¹，章小峰^1,2，曹燕¹，黄贞益¹，张龙¹，陈光²

作者信息 +

High-temperature oxidation behavior of low density steel with high Al content

LENG De-ping¹,ZHANG Xiao-feng^1,2,CAO Yan¹,HUANG Zhen-yi¹,ZHANG Long¹,CHEN Guang²

Author information +

文章历史 +

摘要

为观察Fe-Mn-Al-C系高Al低密度钢在高温下的抗氧化性能，采用氧化增重法测定了4种合金在950~1100℃下的氧化动力学曲线。通过SEM观察氧化层形貌特征，利用线扫描能谱分析氧化后合金元素的变化，分析了28Mn-10Al合金氧化膜发生膨胀破裂的原因。结果表明，Al元素提高钢的抗氧化性，而Mn元素则降低Al的抗氧化性。抗氧化性较好的28Mn-12Al、20Mn-10Al合金表层未发现Fe的氧化，而氧化严重的28Mn-8Al合金氧化层Fe元素含量较高。28Mn-12Al合金抗氧化性最好，氧化膜的连续性及致密性优于其他3种合金，氧化物连续且晶粒细小，在氧化过程中具有一定的防护作用。

Abstract

The oxidation kinetic curves of four Fe-Mn-Al-C low density steels were measured by weight-increase method under 950-1100℃ to analyze their oxidation behaviors at high temperature. The morphology of the oxide layer was examined by scanning electron microscope and variations of elements after oxidation were obtained with line scanning spectroscopy to analyzed the reason for bulging and fracture of oxide layer of 28Mn-10Al steel. The results show that Al improves oxidation resistances of the steels while Mn weakens it. 28Mn-12Al and 20Mn-10Al alloys have good inoxidizability and there is not oxidation of Fe in the surfaces of alloys, while there is oxidation of a certain amount of Fe in the surface of 28Mn-8Al alloy which is oxidized seriously. 28Mn-12Al alloy has the best inoxidizability and the continuity and compactness of its oxide film are the best. The oxides of 28Mn-12Al alloy are continuous and their grains are fine, which prevents further oxidation.

导出引用

冷德平，章小峰，曹燕，黄贞益，张龙，陈光. 高Al低密度钢的高温氧化行为[J]. 钢铁研究学报, 2015, 27(3): 54-59 https://doi.org/10.13228/j.boyuan.issn1001-0963.20140445

LENG De-ping,ZHANG Xiao-feng,,CAO Yan,HUANG Zhen-yi,ZHANG Long,CHEN Guang. High-temperature oxidation behavior of low density steel with high Al content[J]. Journal of Iron and Steel Research, 2015, 27(3): 54-59 https://doi.org/10.13228/j.boyuan.issn1001-0963.20140445

中图分类号： TG142.7

参考文献

[1] R.Rana. C.Liu, R.K.Ray. Low-density low-carbon Fe–Al ferritic steels [J]. Scripta Materialia, 2013, 68(6):354-359.
[2] C.Castan, F.Montheillet, A.Perlade. Dynamic recrystallization mechanisms of an Fe–8% Al low density steel under hot rolling conditions [J]. Scripta Materialia, 2013, 68(6):360-364.
[3] Je Doo Yooa, SiWoo Hwangb, Kyung-Tae Park. Factors in?uencing the tensile behavior of a Fe–28Mn–9Al–0.8C steel [J]. Materials Science and Engineering A 508 (2009) 234–240.
[4] SiWoo Hwang, Jung Hoon Ji, Eui Gil Leeb, Kyung-Tae Park.Tensile deformation of a duplex Fe-20Mn–9Al–0.6C steel having the reduced speci?c weight [J]. Materials Science and Engineering A 528 (2011) 5196–5203.
[5] H.L.Yi, P.Chen, Z.Y.Hou, et al. A novel design Partitioning achieved by quenching and tempering (Q–T & P) in an aluminium-added low-density steel [J], Scripta Materialia, 2013, 68(6):370-374.
[6] 杨富强, 宋仁伯, 张磊峰, 赵超. 900MPa级Fe-Mn-Al系轻质高强钢组织性能研究[A]. 第九届中国钢铁年会论文集[C].2013
[7] 杨富强, 宋仁伯, 孙挺, 张磊峰, 赵超, 廖宝鑫. Fe-Mn-Al轻质高强钢组织和力学性能研究[J]. 金属学报，2014, 50(8): 897-904.
[8] Dong-Woo Suh, Nack J. Kim. Low-density steels[J]. Scripta Materialia, 2013, 68:337-338.
[9] F.H.Stott , G..C.Wood, 朱景环[译]. 内氧化[J]. 国外金属热处理, 1990, 11(2): 1-7.
[10] 刘江南, 韩志礼, 严文. Fe-Mn-Al-C合金的高温氧化行为[J]. 钢铁研究学报, 1993, 5(4): 51-57.
[11] 薛正良, 齐江华, 周国凡, 金焱, 胡会军. 真空感应熔炼含铝钢的脱氧规律[J]. 钢铁研究学报,2007, 19(11):18-20.
[12] 张彦生, 师昌绪. 铁-锰铝系奥氏体钢——耐热钢、无磁钢和低温钢[J]. 金属学报, 1964, 7(3): 285-300.
[13] Kbhwki, 0. Hopkins, B.E. Oxidation of Metal and Alloys[J].Butterworths,1953:267.
[14] 李铁藩. 金属高温氧化和热腐蚀[M]. 北京: 化学工业出版社, 2003, 15-16, 227-237.
[15] I. Barin, O. Knack, Thermochemical Properties of Inorganic Substances. Springer, Berlin, 1973.
[16] Xiang Shu Li, Sung-Il Baek,Chang-Seok Oh, Sung-Joon Kim, Young-Woon Kim. Dew-point controlled oxidation of Fe–C–Mn–Al–Si–Cu transformation-Indu-Ced plasticity-aided steels[J]. Scripta Materialia, 2008(59): 290–29