刘福明,薛礼,刘春明

• 1:东北大学材料科学与工程学院

摘要(Abstract)：

采用OM、TEM、和全自动相变仪等实验手段,研究了不同冷却速率和中间处理温度对微合金化耐火钢中铁素体的影响。结果表明:将冷却速率控制在10~30℃/s时,组织中均匀地分布着大量的针状铁素体,其平均宽度约为1μm。组织中的针状铁素体的板条束以平行态存在。终冷保温处理可以使Nb、V的碳氮化物进一步析出,将实验钢在600℃保温300 s,材料的组织为粒状贝氏体和细小的针状铁素体,但随着中间处理温度的升高,针状铁素体的板条束呈现宽化趋势,且数量下降。

关键词(KeyWords)： 耐火钢;冷却速率;中间处理温度;针状铁素体

Abstract:

Keywords:

基金项目(Foundation): 国家重点基础研究发展计划项目(973计划)(2011CB610405)

作者(Author): 刘福明,薛礼,刘春明

DOI: 10.13289/j.issn.1009-6264.2017.01.013

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