Fig. 1. Surface temperature for percentage of resin impregnation as a function of heating time.
Fig. 3. Surface temperature for mandarin peels addition as a function of heating time.
Fig. 2. Surface temperature for carboonization temperature as a function of heating time.
Fig. 5. Relationship between cooling and descent temperature of surface of ceramics with carbonizing temperature.
Fig. 7. Relationship between percentage of mandarin peels addition and IR emissivity.
Fig. 9. Relationship between carbonization temperature and IR emissivity.
Fig. 8. Relationship between percentage of mandarin peels addition and IR emission power.
Fig. 10. Relationship between carbonization temperature and IR emission power.
Fig. 4. Relationship between cooling and descent temperature of surface of ceramics with resin impregnation ratio.
Fig. 6. Relationship between cooling and descent temperature of surface of ceramics with mandarin peels addition ratio.
Table 1. Characteristics of phenol-formaldehyde resin for the test
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