Microstructure and Properties of in-Situ Synthesized Ti(C,N)/TC4 Composites by SPS

ZHANG Lan; CHEN Zixuan; MA Huizhong; ZHANG Jidong

doi:10.16080/j.issn1671-833x.2022.16.098

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Microstructure and Properties of in-Situ Synthesized Ti(C,N)/TC4 Composites by SPS

更新时间：2025-10-30

- Microstructure and Properties of in-Situ Synthesized Ti(C,N)/TC4 Composites by SPS
- Aeronautical Manufacturing Technology Vol. 65, Issue 16, Pages: 98-103(2022)
- 作者机构：
  
  郑州大学,郑州,450000
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2022.16.098
  CLC：
- Published：2022
- 稿件说明：
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张兰，陈梓轩，马会中，张纪东. SPS 原位制备Ti（C，N）/TC4复合材料的组织和性能研究[J]. 航空制造技术, 2022, 65(16): 98-103/125.

ZHANG Lan, CHEN Zixuan, MA Huizhong, ZHANG Jidong. Microstructure and Properties of in-Situ Synthesized Ti(C,N)/TC4 Composites by SPS[J]. Aeronautical Manufacturing Technology, 2022, 65(16): 98-103/125.
张兰，陈梓轩，马会中，张纪东. SPS 原位制备Ti（C，N）/TC4复合材料的组织和性能研究[J]. 航空制造技术, 2022, 65(16): 98-103/125. DOI： 10.16080/j.issn1671-833x.2022.16.098.

ZHANG Lan, CHEN Zixuan, MA Huizhong, ZHANG Jidong. Microstructure and Properties of in-Situ Synthesized Ti(C,N)/TC4 Composites by SPS[J]. Aeronautical Manufacturing Technology, 2022, 65(16): 98-103/125. DOI： 10.16080/j.issn1671-833x.2022.16.098.

摘要

采用放电等离子烧结技术，以石墨相氮化碳（g–C

）为氮源和碳源，原位制备了 Ti（C，N）/TC4 复合材料。通过改变 g–C

添加量，制备出不同 Ti（C，N）含量的复合材料，并对其微观结构、硬度和摩擦性能进行了重点研究。结果表明，原位制备出的 Ti（C，N）呈颗粒状，整体呈网格状分布，且与基体界面结合良好。随着 g–C

添加量的增加，复合材料硬度不断提升，耐磨性能先提升后降低。综合评估硬度与摩擦性能，添加质量分数为 5% 的 g–C

时所制备的复合材料具有较高的硬度和优秀的耐磨性能，硬度为627.68HV，与纯 TC4 钛合金烧结试样相比提升了 44.4%，摩擦系数与磨损量分别为 0.2608与0.056 mm

，相较于纯 TC4 烧结试样性能分别提升了 29.3% 与 61.6%。

Abstract

Ti(C

N)/TC4 composites were prepared by spark plasma sintering using graphite carbon nitrification (g–C

) as nitrogen sources and carbon sources. By changing the addition amount of g–C

the composites with different Ti(C

N) contents were prepared

and the microstructure

hardness and tribological properties of the composites were studied. The results show that Ti(C

N) prepared in-situ is granular

and the overall distribution is gridded

and the interface of Ti(C

N) is well combined with the TC4 matrix. With the increase in the amount of g–C

added

the hard

ness of the composite material continues to increase

and the friction resistance first increases and then decreases. The composite material prepared by adding mass fraction 5% g–C

has higher hardness and excellent wear resistance. The hardness is 627.68HV

which is 44.4% higher than the pure TC4 titanium alloy sintered sample. The friction coefficient and wear amount are 0.2608 and 0.056 mm

respectively

which are 29.3% and 61.6% higher than that of TC4 sintered samples.

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