Research Article
Manufacture and Characterization of Heat-Resistant and Heat-Insulating New Composites Based on Resol Resin–Carbon Fibers–Perlite for the Built Heritage Protection
Figure 1
The operating principle of the device for measuring the thermal conductivity coefficient . , , , and are temperatures measured by the corresponding thermocouples. The heated metal plate indicates the heating position of the built-in electrical resistance through an external regulator.