Analysis of ablation properties of piston of aluminum borate whisker reinforced Al-Si matrix composites

Zhaoju Qin*, Weizheng Zhang, Yanpeng Yuan, Liye Song

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

To assess ablation properties of piston made from aluminum borate whisker-reinforced Al-Si matrix composites, the ablation behavior of aluminum borate whisker-reinforced Al-Si matrix composites was investigated. The ablation model and mechanism of Al-Si matrix composites were analyzed. In addition, finite element simulation on the ablation behavior of piston of Al-Si matrix composites was conducted. Results show that the strength of the aluminum borate whisker-reinforced Al-Si matrix composites was large, the structure was dense, and the ablation volume was small. The ablation mechanism of the Al-Si matrix composites was a combination of gas flow erosion and melting ablation. The established ablation model and the calculation methods could properly complete the simulative calculation for piston. The aluminum borate whisker-reinforced Al-Si matrix composite is an ideal anti-ablation piston material.

Original languageEnglish
Pages (from-to)143-147 and 168
JournalHarbin Gongcheng Daxue Xuebao/Journal of Harbin Engineering University
Volume39
Issue number1
DOIs
Publication statusPublished - 5 Jan 2018

Keywords

  • Ablation
  • Al-Si matrix composites
  • Aluminum borate whisker
  • Matrix composites
  • Mechanism
  • Piston
  • Test

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