CSP工艺冷轧钢板的组织形貌和夹杂物的研究Study of microstructure evolution of cold-rolled strip produced by CSP process
孙昊,任慧平,金自力,王海燕,计云萍,王玉峰,李德刚,田荣彬
摘要(Abstract):
采用紧凑式热带生产工艺(CSP)热轧板为原料生产冷轧钢板,对该热轧板及其冷轧钢板生成过程中各段进行了扫描电镜和金相显微镜的观察,研究了材料组织的演变,并对冷硬板及其退火后冷轧板做了化学相分析。结果表明:CSP热轧板组织中有少量的珠光体和夹杂物,随后的冷轧及退火过程对珠光体和夹杂物的影响较小,退火后的冷轧板最终组织呈分布均匀的长饼状铁素体晶粒。化学相分析表明,冷轧后退火过程中Fe3C的析出量有增加和聚集粗化的现象发生。
关键词(KeyWords): 冷轧;退火;铁素体;珠光体;夹杂物
基金项目(Foundation): 国家自然科学基金资助(50761005)
作者(Author): 孙昊,任慧平,金自力,王海燕,计云萍,王玉峰,李德刚,田荣彬
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