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Discussion on Hot Charging and Hot Delivery Scheme of Q550d Slab
Author(s): 
Pages: 30-34
Year: Issue:  6
Journal: Wide and Heavy Plate

Abstract: 通过对均匀奥氏体化的该钢在不同装炉温度下进行淬火操作并观察金相组织,研究了该钢在不同装炉温度下组织的演变过程,对其加热制度进行了探讨.实验结果表明,在奥氏体单相区热装的淬火组织为灰色马氏体;在共析线温度下热装的淬火组织为大体积的铁素体晶粒团和极少量的黑色珠光体;冷装时的淬火组织为铁素体和珠光体.共析线温度下低温区热装是Q550d钢热装的理想区间,在工业生产中,应该努力提高低温区的热装温度,热装温度...
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