Dynamic tensile behaviors of 3D woven carbon-carbon composites at elevated temperature
Source abstract
Abstract
The quasi-static and dynamic tensile behavior of three-dimensional (3D) woven carbon/carbon (C/C) composites was investigated at elevated temperatures (room temperature, 600°C, 900°C, and 1300°C). The tests were carried out, respectively, by using a material test machine and a rotary disk Hopkinson bar apparatus equipped with a high-temperature synchronous loading device. The results demonstrate that tensile strength was significantly affected by fiber orientation, strain rate, and temperature. Under identical conditions, the composite’s tensile strength in the XY-direction was significantly higher than that in the Z-direction. Under dynamic loading, the composite exhibited higher tensile strength in both the XY- and Z-directions than under quasi-static conditions, emphasizing a clear positive strain rate effect. Residual thermal stress and oxidation caused the composite’s tensile strength to decrease with the increasing temperature from room temperature to 1300°C.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Advanced ceramic materials synthesis · High-Velocity Impact and Material Behavior · Energetic Materials and Combustion
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
China Academy of Engineering Physics
Funding
National Natural Science Foundation of China
References (30)
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