ZHANG Shixian,ZHAO Xiaoping,LI Hui,et al.Study on Mechanical Properties and Thermal Shock Resistance of Mo-MoSi2 Composite Materials[J].Plating & Finishing,2018,(12):11-15.[doi:10.3969/j.issn.1001?3849.2018.12.003]
Mo基MoSi2复合材料的力学和抗热震性能研究
- Title:
- Study on Mechanical Properties and Thermal Shock Resistance of Mo-MoSi2 Composite Materials
- 关键词:
- Mo基MoSi2复合材料; 硬度; 结合强度; 热震性
- 分类号:
- TB331
- 文献标志码:
- A
- 摘要:
- 采用热浸镀法制备Mo基MoSi2复合材料，通过对Mo基MoSi2复合材料的硬度和镀层结合强度的研究，揭示了该材料的室温力学性能和抗热震性能。结果表明，Mo基MoSi2复合材料具有较高的表面硬度；材料表面镀层和钼基体达到了良好的冶金结合，镀层与基体具有很高的结合强度；经过多次热冲击实验后，镀层与基体结合紧密，具有良好的抗热冲击性能和抗疲劳性能，起到保护Mo基体的关键作用。
- Abstract:
- Mo-MoSi2 composite materials were prepared by hot dip coating process. The mechanical properties under room temperature and thermal shock resistance of Mo-MoSi2 composite materials were revealed through hardness testing and coating combination degree research. The results showed that Mo-MoSi2 composite material had high surface hardness. Good metallurgical bonding can be obtained between the surface coating and molybdenum matrix, and the coating had high bonding strength with the substrate. After many thermal shock tests, the coating was still bound to the substrate tightly, and had good thermal shock resistance and fatigue resistance which played a key role in protecting Mo matrix.
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备注/Memo
收稿日期： 2018-02-27
修回日期： 2018-03-15
基金项目： 基金项目:河北工业职业技术学院资助科研项目（ZY2016002）；河北省基础研究项目（E2016209163）；河北省高等学校科学技术研究项目（BJ2017050）