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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：Ti-B_4C-C和Ti-TiB_2-TiC系统原位合成（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：研究了2％的TiB + TiC增强的Ti-6B-4C和Ti-TiB2-TiC复合材料在空气中的氧化行为，在873-1073 K下的氧化时间为320 h。 （TiB + TiC）/ Ti-6Al-4V复合材料在973 K时的氧化增重曲线基本服从抛物线定律，而在873和1073 K时的氧化增重曲线主要遵循线性定律和抛物线-线性定律。复合材料的氧化物层主要是金红石型TiO2，Al2O3以及V2O3和V2O5的混合物。随着（TiB + TiC）/ Ti-6Al-4V复合材料中标称体积分数的增加，氧化层变得更薄。此外，根据反应指数（n）和有效活化能（Q（eff））的计算结果以及氧化层截面的分析，Ti-TiB2-TiC体系复合材料的抗氧化能力为：在采用相同的烧结温度和标称体积分数的钢筋的情况下，它比Ti-B4C-C系统要高。

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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：钛;复合物;氧化;

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