A High-Efficiency Technology for Manufacturing Aircraft Carbon Brake Discs with Stable Friction Performance
Source abstract
Abstract
A binary C/C brake disc (i.e., the test brake disc) was prepared with a C/C (pyrolytic carbon/resin carbon) matrix using modified natural gas as the carbon source through the isothermal chemical vapor infiltration (ICVI) process with a directed flow and the pressure impregnation carbonization (PIC) process with liquid-phase furfural acetone resin. The microstructural, mechanical, thermal, friction and wear properties of the test brake disc were comprehensively analyzed and compared with commercial ones. The results showed that the production efficiency of the test brake disc was 36% higher than that of the commercial ones, which were manufactured through a thermal-gradient chemical vapor infiltration (TCVI) process. The favorable mechanical and thermal properties of the test brake disc were comparable to the commercial ones. While the test brake disc had a more consistently rough laminar microstructure on the worn surface of the brake disc than the commercial ones, this avoided the annular grinding grooves on the worn surface after the braking tests. In addition, the test brake disc had a stable friction coefficient with a low dispersion coefficient of 3.90%, which would improve the friction stability of C/C brake discs used in aircrafts.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Brake Systems and Friction Analysis · Tribology and Wear Analysis · Lubricants and Their Additives
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Materials and Chemical Engineering, Xi’an Technological University, Xi’an 710021, China
Xi’an Chaoma Technology Co., Ltd., Xi’an 710025, China
Xi’an Aerospace Composites Research Institute, Xi’an 710025, China
Representative Office in Datong of PLA, Datong 037036, China
Funding
National Natural Science Foundation of China · Shaanxi Key Science and Technology Innovation Team · The Youth Innovation Team of Shaanxi Universities: Metal Corrosion Protection and Surface Engineering Technology, Shaanxi Provincial Key Research and Development Project · the Natural Science Foundation of Shandong Province · the Local Serving Special Scientific Research Projects of Shaanxi Provincial Department of Education · the Project of Yulin Science and Technology Bureau
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