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首页> 外文期刊>Journal of Materials Research >Oxidation behavior of in situ synthesized (TiB + TiC)/ Ti-6Al-4V composites from Ti-B_4C-C and Ti-TiB_2-TiC systems
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Oxidation behavior of in situ synthesized (TiB + TiC)/ Ti-6Al-4V composites from Ti-B_4C-C and Ti-TiB_2-TiC systems

机译：来自Ti-B_4C-C和TI-TIB_2-TIC系统的原位合成（TIB + TIC）/ TI-6AL-4V复合材料的氧化行为

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摘要

The oxidation behavior of two percentages of TiB + TiC reinforced Ti-6Al-4V composites derived from Ti-B4C-C and Ti-TiB2-TiC systems was investigated at 873-1073 K for 320 h in air. The oxidation weight gain curves of the (TiB + TiC)/Ti-6Al-4V composites at 973 K basically obey parabolic law, while those at 873 and 1073 K mainly follow linear law and parabolic-linear law, respectively. The oxide layers of the composites are predominately found to be rutile TiO2, Al2O3, and the mixture of V2O3 and V2O5. The oxidation layers turn thinner with increasing the nominal volume fraction of reinforcements in the (TiB + TiC)/Ti-6Al-4V composites. Moreover, according to the calculation results of reaction index (n) and effective activation energy (Q(eff)) and the analyses of cross-sections of the oxidation layers, the oxidation resistance ability of the composites from Ti-TiB2-TiC system is higher than that from Ti-B4C-C system while employing the same sintering temperature and nominal volume fraction of reinforcement.
机译：在873-1073K在空气中，在873-1073k中研究了衍生自Ti-B4C-C和Ti-Tib2-TiC系统的两种百分比Tib + TiC增强Ti-6Al-4V复合材料的氧化行为。 973K基本上服从抛物法的（Tib + TiC）/ Ti-6Al-4V复合材料的氧化重量增益曲线，而873和1073k的那些分别遵循线性法律和抛物线线性定律。复合材料的氧化物层主要被发现是金红石TiO 2，Al 2 O 3和V2O3和V2O5的混合物。氧化层随着（TIB + TIC）/ Ti-6Al-4V复合材料中的增强物的标称体积分数而变薄。此外，根据反应指数（n）和有效活化能量（q（qu））的计算结果和氧化层的横截面的分析，从Ti-tib2-tic系统的复合材料的抗氧化能力是高于Ti-B4C-C系统的同时采用相同的烧结温度和额定体积分数的加固。

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  • 来源
    《Journal of Materials Research》 |2019年第10期|1762-1772|共11页
  • 作者

    Yi Meng; Zhang Xiangzhao; Ge Chuanxin; Liu Guiwu; Xu Shunjian; Zhong Demin; Qiao Guanjun;

  • 作者单位

    Xinyu Univ Sch Mech & Elect Engn Xinyu 338000 Peoples R China|Jiangsu Univ Sch Mat Sci & Engn Zhenjiang 212013 Jiangsu Peoples R China|Res Inst Precis Casting Forging Ind Xinghua 225714 Peoples R China;

    Jiangsu Univ Sch Mat Sci & Engn Zhenjiang 212013 Jiangsu Peoples R China;

    Jiangsu Univ Sch Mat Sci & Engn Zhenjiang 212013 Jiangsu Peoples R China;

    Xinyu Univ Sch Mech & Elect Engn Xinyu 338000 Peoples R China|Jiangsu Univ Sch Mat Sci & Engn Zhenjiang 212013 Jiangsu Peoples R China;

    Xinyu Univ Sch Mech & Elect Engn Xinyu 338000 Peoples R China;

    Xinyu Univ Sch Mech & Elect Engn Xinyu 338000 Peoples R China;

    Jiangsu Univ Sch Mat Sci & Engn Zhenjiang 212013 Jiangsu Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Ti; composite; oxidation;

    机译：TI;composite;oxidation;

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