Microstructure and Mechanical Properties of TiB/TA15 Composite Sheet

WANG Fuxin; FU Mingjie; QIAN Jianhang; ZENG Yuansong; HAN Xiuquan

doi:10.16080/j.issn1671-833x.2021.10.095

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Microstructure and Mechanical Properties of TiB/TA15 Composite Sheet

更新时间：2025-10-30

- Microstructure and Mechanical Properties of TiB/TA15 Composite Sheet
- Aeronautical Manufacturing Technology Vol. 64, Issue 10, Pages: 95-101(2021)
- 作者机构：
  
  1. 中国航空制造技术研究院,北京,100024
  2. 哈尔滨工业大学材料科学与工程学院,哈尔滨,150001
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2021.10.095
  CLC：
- Published：2021
- 稿件说明：
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王富鑫，付明杰，钱健行，曾元松，韩秀全. TiBw/TA15复合材料板材组织及力学性能研究[J]. 航空制造技术, 2021, 64(10): 95-101.

WANG Fuxin,FU Mingjie,QIAN Jianhang, ZENG Yuansong,HAN Xiuquan. Microstructure and Mechanical Properties of TiBw/TA15 Composite Sheet. 航空制造技术, 2021, 64(10): 95-101.
王富鑫，付明杰，钱健行，曾元松，韩秀全. TiBw/TA15复合材料板材组织及力学性能研究[J]. 航空制造技术, 2021, 64(10): 95-101. DOI： 10.16080/j.issn1671-833x.2021.10.095.

WANG Fuxin,FU Mingjie,QIAN Jianhang, ZENG Yuansong,HAN Xiuquan. Microstructure and Mechanical Properties of TiBw/TA15 Composite Sheet. 航空制造技术, 2021, 64(10): 95-101. DOI： 10.16080/j.issn1671-833x.2021.10.095.

摘要

TiB

增强钛基复合材料具有优异的高温性能，在飞行器蒙皮、框梁等多种构件中具有广阔的应用前景。以 TiB

/TA15 复合材料为对象，研究了轧制变形对 TiB

/TA15 复合材料组织及性能影响行为。采用金相显微镜及扫描电镜分析了轧制变形后 TiB

/TA15 复合材料板材组织，发现轧制变形后板材组织较为细小，增强相分布较为均匀，但存在因增强相断裂、破碎形成的微小缺陷。对其力学性能分析发现轧制变形后板材室温、高温拉伸性能与原始板坯相比强度提升 10% 以上，室温塑性由 4.8% 提升到 8%；板材 650℃高温持久性能与板坯相当，轧制变形对高温持久性能影响较小。

Abstract

TiB whisker reinforced titanium matrix composite has a wide range of potential applications in aircraft skin

frame beam and other components due to its excellent high temperature performance. The effect of rolling deformation on the microstructure and properties of TiB

/TA15 composite was studied. The microstructure of TiB

/TA15 composite sheets was analyzed by OM and SEM. It was found that the microstructure of TiB

/TA15 composite sheet is fine

and TiB whiskers are uniformed distributed. But the micro cracks formed by the deformation of TiBw phase are obviously observed. By analyzing the mechanical properties

it was found that the tensile strength of TiB

/TA15 composite sheet is 10% higher than that of the slab at room

temperature and 600-650℃. The tensile strain at room temperature increases from 4.8% to 8% after rolling deformation. The high temperature endurance property of TiBw/ TA15 composite sheets is similar with that of the slab. While rolling deformation has little effect on the high temperature durability.

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