巩党国,方峰,蒋建清,胡显军,陈少慧

• 1:东南大学材料科学与工程学院江苏省先进金属材料重点实验室
• 2:沙钢集团

摘要(Abstract)：

在Gleeble-3500型热模拟试验机上对高碳钢SWRH72A盘条进行了不同条件下的氧化试验,采用OM、SEM和XRD等技术对氧化皮形貌、厚度和结构进行表征。结果表明,高碳钢氧化皮一般呈Fe1-yO和Fe3O4两层结构,其厚度与氧化温度的关系近似符合Arrhenius方程,并随氧化时间呈抛物线型增长,氧化皮中Fe1-yO/Fe3O4厚度比与氧化温度和氧化时间的关系与厚度的变化规律基本一致。机械剥离试验结果表明,当氧化皮较薄时(<27μm),机械剥离率随厚度近似成线性增长,而当氧化皮厚度达到一定程度后(27μm),机械剥离率不再增加,基本保持不变。

关键词(KeyWords)： 高碳钢;氧化皮;厚度;结构;机械剥离

Abstract:

Keywords:

基金项目(Foundation): 国家“973”前期研究专项(2007CB616903);; 张家港市科技攻关项目(ZJG200609)

作者(Author): 巩党国,方峰,蒋建清,胡显军,陈少慧

参考文献(References)：

• [1]Tominaga J,Wakimoto K,Mori T,et al.Manufacture of wire rods with good descaling property[J].Transactions ISIJ,1982,22:646-656.
• [2]Confente M,Geneve D,Resiak B,et al.Effects of mechanical descaling on the surface of low carbon wire rod for drawing or cold heading[J].Wire JournalInternational,1995,28:238-242.
• [3]Parusov V V,Savyuk A N,Sychkov A B,et al.Study of the possibilities for maximizing scale removal from wire rod before drawing[J].Metallurgist,2004,48:292-297.
• [4]Chen R Y,Yuen W Y D.Review of the high-temperature oxidation of iron and carbon steels in air or oxygen[J].Oxidation of Metals,2003,59(5/6):433-468.
• [5]Chen R Y,Yuen W Y D.Oxide-scale structures formed on commercial hot-rolled steel strip and their formation mechanisms[J].Oxidation of Metals,2001,56(1/2):89-118.
• [6]Chen R Y,Yuen W Y D.A study of the structure of hot-rolled steel strip by simulated coiling and cooling[J].Oxidation of Metals,2000,53(5/6):539-560.
• [7]Sun W H,Tieu A K,Jiang Z Y,et al.High temperature oxide scale characteristic of low carbon steel in hot rolling[J].Journal of Materials ProcessingTechnology,2004,155-156:1307-1312.
• [8]Basabe V V,Szpunar J A.Growth rate and phase composition of oxide scale during hot rolling of low carbon steel[J].ISIJ International,2004,44:1554-1559.
• [9]BK-Spec:GA-03-17.Descalability of high carbon wire rod-quick test[S].2003.
• [10]李铁藩.金属高温氧化和热腐蚀[M].北京:化学工业出版社,2003:168-173.

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