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Elevated temperature compressive deformation behavior of 2024Al matrix composite reinforced by sub-micro Al2O3 particles

  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

The compressive behavior of sub-micro Al2O3p(40%, volume fraction)/2024Al composite was investigated within the temperature range from 270°C to 620°C under various strain rates from 0. 000 42 s -1 to 0. 14s-1. Results show that the critical compression reduction of the composite presents a saddle law under the combined influence of temperature and strain rate. That means the composites exhibit better deformation ability at higher temperature with higher strain rate (445 °C, 0. 14s-1) or at lower temperature with lower strain rate (320°C, 0.004 2 sz-1).

Original languageEnglish
Pages (from-to)270-275
Number of pages6
JournalTransactions of Nonferrous Metals Society of China (English Edition)
Volume15
Issue numberSPEC. ISS. 2
StatePublished - Apr 2005
Externally publishedYes

Keywords

  • AlO particle
  • Composite
  • Compressive deformation
  • Critical compression reduction
  • Deformation mechanism
  • Saddle law

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