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Study on the microwave heating characteristics of polycarbosilane-based silicon carbide modified by the addition of Zirconium and Titanium precursors

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2025, 35(1), pp.13~20
  • DOI : 10.6111/JKCGCT.2025.35.1.013
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering
  • Received : January 20, 2025
  • Accepted : March 12, 2025
  • Published : March 31, 2025

Chang-Hun Hwang 1 Jong-Ha Beak 1 Se-Yun Kim 1

1경남대학교

Accredited

ABSTRACT

The microwave heating effect of SiC (silicon carbide) occurs at a specific frequency of 2.45 GHz. This investigation the microwave heating properties of SiC synthesized from composition modification polycarbosilane. Polycarbosilane powders were prepared by additive Zirconium and Titanium metallic precursors powder, followed by an investigation of their oxidation, curing, and thermal behaviors. The addition of metallic precursors effectively inhibited the formation of the amorphous phase and enhanced the growth rate of β-SiC crystal size. SiC prepared from pure polycarbosilane exhibited the highest temperature of 741ºC however, during a 60 minute thermal stability test, the temperature continuously decreased. On the other hand, the samples with metallic precursors displayed relatively lower peak heating temperatures but showed superior long term thermal retention.

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