残余元素对低合金钢连铸坯高温延塑性的影响

钢铁, 2009, 44(2): 32-43.

1.北京科技大学冶金与生态工程学院,北京,100083

2.北京科技大学冶金与生态工程学院,北京,100083

3.钢铁研究总院连铸技术国家工程研究中心,北京,100081

4.北京科技大学冶金与生态工程学院,北京,100083

5.广东省韶关钢铁集团有限公司,广东,韶关,512123

Effect of Residuals on Hot Ductility of Low Alloy Steel CC Slab

采用C-leeble-1500热模拟试验机测试了含有一定量残余元素Cu、As和Sn的低合金钢连铸坯的高温延塑性.低合金钢的第1脆性温度区在t,～1 340℃之间,第Ⅲ脆性温度区在920～730℃之间.由于钢中Cu、As和Sn等残余元素含量比较高,因此第Ⅲ脆性温度区比较宽,深度比较大.

[1]	T van Wijngaarden M J U;Visagie Iscor Vereeniging G P.The Effect of Residuals on the Presence of Intergranular Surface Cracks on Continuously Cast Billets[A].Beijing:Metal Industry Pressure,1996
[2]	Houpert C;Jallon M;confente M.Production of High Quality Steels Using the Scarp/Electric Are Furnace Route[A].Beijing:Metal Industry Pressure,1996
[3]	H.Matsuoka .Influence of Cu and Sn on Hot Ductility of Steels with Various C Content[J].ISIJ International,1997(3):255-262.
[4]	Nachtrab W T;Chou Y T .High Temperature Ductility Loss in Carbon-Maganese and Niobium-Treat Steel[J].Metall TFans A,1986,17A(11):1995.
[5]	C.Nagasaki .Effect of Copper and Tin on Hot Ductility of Ultra-low and 0.2% Carbon Steels[J].ISIJ International,1997(5):523-530.
[6]	张翔,刘旭辉.高强度船板钢裂纹产生原因探讨[J].钢铁,2001(11):46-49.

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