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The short carbon fiber reinforced 2A14 aluminum alloy composite was prepared by vacuum hot pressing sintering and hot extrusion. The influence of the volume fraction of carbon fiber on the tensile properties of the composite at different temperatures was studied. The results showed that the increase of carbon fiber content will enhance the tensile strength of composites at high temperature. The tensile strength of composites with carbon fiber volume fraction of 10 vol % at 220 ℃ was close to that of 2 vol % tested at 180 ℃. The tensile strength of 10vol % composite (360 MPa) at 220 ℃ was 13.9% higher than that of 2 vol % composite (316 MPa). The increase of high temperature strength corresponded to the load transfer mechanism.

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Study on High-Temperature Tensile Properties of Carbon Fiber Reinforced 2A14 Composite

  • 会议论文

  • 发表日期：

    2025年

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  • Shiyin Huang,
  • Qingnan Meng,
  • Jinhao Wu,
  • Mu Yuan,
  • Sifan wang,
  • Xinyue Mao,
  • Yuting Qiu

摘要

The short carbon fiber reinforced 2A14 aluminum alloy composite was prepared by vacuum hot pressing sintering and hot extrusion. The influence of the volume fraction of carbon fiber on the tensile properties of the composite at different temperatures was studied. The results showed that the increase of carbon fiber content will enhance the tensile strength of composites at high temperature. The tensile strength of composites with carbon fiber volume fraction of 10 vol % at 220 ℃ was close to that of 2 vol % tested at 180 ℃. The tensile strength of 10vol % composite (360 MPa) at 220 ℃ was 13.9% higher than that of 2 vol % composite (316 MPa). The increase of high temperature strength corresponded to the load transfer mechanism.