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REN Hui-lan, NING Jian-guo, HE Jian-hua. Acoustic Emission and Damage Characteristics of Alumina[J]. JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2009, 18(2): 127-130.
Citation: REN Hui-lan, NING Jian-guo, HE Jian-hua. Acoustic Emission and Damage Characteristics of Alumina[J].JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2009, 18(2): 127-130.
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Acoustic Emission and Damage Characteristics of Alumina

  • State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China

  • Received Date:2008-10-20
    Abstract
  • Advanced multi-channels acoustic emission (AE) system is used to study the fracture process of alumina material subjected by three-point-bending loading. Using AE counts and AE hits, the location of damage and damage characteristics are discussed. AE energy, AE counts, AE amplitude changing with loading time are analyzed for the notched alumina specimen. It is indicated that AE characteristic parameters reflect the damage process and fracture of material.
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