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Water-Cooling Method of Steel Material and Steel Material Obtained by That Water-Cooling Method
Water-Cooling Method of Steel Material and Steel Material Obtained by That Water-Cooling Method
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机译：钢材的水冷却方法以及通过该水冷却方法获得的钢材
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摘要
The oxide film thickness of the steel material surface (dH2O+do2) is made to become 15 nm or less where post-treatment after water-cooling is not needed by suitably setting the conditions of the water-cooling start temperature (Ti), water-cooling end temperature (To), steel material thickness (d), concentration of solute oxygen in the cooling water (Do), and cooling rate (CR) in the equation of dH2O+do2=7.98×10−4(Ti−To)dDo+{5.50×10−3(Ti2−To2)−6.51 (Ti−To)}/CR.
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机译：在不需要水冷后的后处理的情况下，使钢材表面的氧化膜厚度（d H2O + d o2 ）为15nm以下。适当设定水冷开始温度（T i ），水冷结束温度（T o ），钢材厚度（d），溶质浓度的条件d H2O + d o2公式中的冷却水中的氧气（D o ）和冷却速率（C R ） = 7.98×10 −4 （T i -T o ）dD o + {5.50 ×10 −3 （T i 2 -T o 2 ）− 6.51 （T i -T o ）} / C R 。
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