摘要
在实验室用碳管炉研究了含0．048％～0．065％硫的中碳钢（％：0．46～0．57C，0．83～0．94Mn，0．21～0．24Cr，0．03～0．04Mo）钙处理时，加入Ca-Si和FeS先后顺序以及钢中Ca／S值对该钢硫化物形态和数量的影响。结果表明，先加FeS后加Ca-Si处理时，钢中硫化物的长度与数最均较先加Ca-Si后加FeS处理时有明显降低。随钢中Ca/S值增加，钢中颗粒状复合夹杂物的数量增加，同时长条状的塑性硫化物夹杂数量减少，但尺寸增大。采用Ca-Si复合处理时，钢中合理的Ca／S值约为0．03。
The effect of Ca-Si and FeS adding order in Ca-treatment process and Ca/S ratio for steel on morphology and quality of sulphide in 0.048% ～ 0.065% S medium-carbon steel （0.46 ～ 0.57C, 0.83 ～ 0.94Mn, 0.21 ～ 0.24Cr, 0.03 ～ 0.04Mo） has been studied by a carbon tube furnace in laboratory, the results showed that the length and quantity of sulphide in steel by treatment first adding FeS then adding Ca-Si were obviously lower than that first adding Ca-Si then adding FeS; and with increasing Ca/S ratio in steel, the quantity of spherical multi-phase inclusions increased while the quantity of strip-shape MnS decreased, of which the size increased. The available Ca/S ratio for steel by compound treatment using Ca-Si is ～0. 03.
出处
《特殊钢》
北大核心
2006年第3期23-25,共3页
Special Steel
关键词
中碳结构钢
钙处理
硫化物
Medium-Carbon Structure Steel, Ca-Treatment, Sulphide
