王军阳,万善宏,易戈文,姜军,成前前,陕钰,王文珍

• 1:中国科学院兰州化学物理研究所
• 2:酒泉钢铁(集团)有限责任公司

摘要(Abstract)：

为改善82B线棒材表面氧化铁皮的机械除鳞性能，研究了吐丝温度对氧化皮结构与机械剥离性能的影响。结果表明：82B钢线棒材表面氧化皮具有双层状结构，外层为Fe_3O_4,内层为FeO+Fe_3O_4,未检测到明显的Fe_2O_3层。当吐丝温度从880℃升高至930℃时，氧化皮的平均厚度从约14.46μm增加至16.39μm;[FeO+Fe_3O_4]/[Fe_3O_4]层厚比从2.69降至1.98。氧化层-基体界面微空隙层中含有大量Fe_3O_4粒子，微空隙层的数量与尺寸增加。随着吐丝温度的升高，氧化皮剥离形态由大块状转变为小块状与碎屑状，机械剥离表面残留大量以Fe_3O_4为主要组分的氧化铁皮，氧化铁皮临界剥离载荷与粘结强度增加。这表明提高吐丝温度将降低82B钢线棒材表面氧化铁皮的机械剥离性能。

关键词(KeyWords)： 82B线棒材;氧化;吐丝温度;氧化铁皮;相结构;机械剥离

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金面上项目(52072380,51675508)

作者(Author): 王军阳,万善宏,易戈文,姜军,成前前,陕钰,王文珍

DOI: 10.13289/j.issn.1009-6264.2022-0331

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