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Creep and creep recovery behavior of a hot-pressed β-sialon

  • Mingtong Lin*
  • , Danyu Jiang
  • , Lin Wang
  • , Meiling Ruan
  • , Jianlin Shi
  • *此作品的通讯作者
  • CAS - Shanghai Institute of Ceramics

科研成果: 期刊稿件文章同行评审

摘要

Creep and creep recovery behavior of a hot-pressed β-sialon with Sm-melilite solid solution as intergranular phase at temperature of 1300° C and stresses of 110-270 MPa were investigated. The results show that the stress exponent of the hot-pressed β-sialon is 1.2 and only the cavities on triple grain junctions are found. It is concluded that the grain boundary sliding accommodated by diffusion is the rate-controlling creep mechanism. Creep recovery under 1300°C and 200 MPa is attributed to viscoelastic relaxation of residual intergranular glass.

源语言英语
页(从-至)37-40
页数4
期刊Cailiao Yanjiu Xuebao/Chinese Journal of Materials Research
16
1
出版状态已出版 - 2月 2002
已对外发布

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