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硼硅酸盐玻璃钎料连接RB-SiC陶瓷的接头强化机理

Translated title of the contribution: Strengthening Mechanism of RB-SiC Ceramic Joint Bonded by Borosilicate Glass Braze
  • Harbin Institute of Technology
  • China Aerospace Science and Industry Corporation
  • Zhengzhou Research Institute of Mechanical Engineering

Research output: Contribution to journalArticlepeer-review

Abstract

A reliable bonding of silicon carbide (RB-SiC) ceramic was obtained via sintering at 650-850℃ with borosilicate glass braze (BS). The residual stress of joint is released due to the thermal mismatch when the size and number of the phase-separation (rich alkali boron phase) at the RB-SiC/BS interface and the crystallization (titanate crystal KNaTiO3) in the glass seam are controlled, thus improving the joint shear strength. A maximal shear strength (i.e., 13.9MPa) of brazed joints is obtained at 750℃.

Translated title of the contributionStrengthening Mechanism of RB-SiC Ceramic Joint Bonded by Borosilicate Glass Braze
Original languageChinese (Traditional)
Pages (from-to)810-817
Number of pages8
JournalKuei Suan Jen Hsueh Pao/Journal of the Chinese Ceramic Society
Volume47
Issue number6
DOIs
StatePublished - 1 Jun 2019

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