Development of alumina by high-speed centrifugal compaction process and analysis on improved mechanical properties of this alumina

Hiroyuki Y. Suzuki, Kenji Shinozaki, Shunzo Tashima, Hidenori Kuroki

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

High-Speed Centrifugal Compaction Process (HCP) is a variety of wet compacting method for fine ceramic powders by using huge centrifugal force of about 10,000g. The compacting mechanism of the HCP differs from that of slip casting, a conventional wet compaction method, and therefore the HCP possesses a number of unique characteristics such as a higher compacting speed than pressure casting, wide applicability for net shape formation, as well as defect removing function. Because of homogeneous and flawless green microstructure, the HCP alumina shows a superior sinterabiliy and higher strength and hardness than most other alumina. These advantages can be emphasized with a higher centrifugal force.

Original languageEnglish
Pages (from-to)423-434
Number of pages12
JournalFuntai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy
Volume51
Issue number6
Publication statusPublished - Jun 2004
Externally publishedYes

Fingerprint

Aluminum Oxide
Compaction
Alumina
Mechanical properties
Casting
Powders
Hardness
Defects
Microstructure

Keywords

  • Centrifugal force
  • Defect removing function
  • High purity alumina
  • High strength alumina
  • Wet compaction

ASJC Scopus subject areas

  • Mechanical Engineering
  • Metals and Alloys
  • Industrial and Manufacturing Engineering
  • Materials Chemistry

Cite this

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AU - Kuroki, Hidenori

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