Development of submicrocrystalllne Fe - O steels under mechanical milling followed by consolidation

Kaneaki Tsuzaki

研究成果: ジャーナルへの寄稿Conference article

3 引用 (Scopus)

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Microstructure evolution in Fe - O steels under mechanical milling followed by consolidating rolling was studied. The final microstructure that developed after consolidation was shown to depend on the volume fraction of the dispersed oxides. In the samples milled for 100 hours, the average grain size decreased from 0.7 to 0.2 μm with increase in the amount of oxygen from 0.2 to 1.5 mass%. The milling time had a similar effect on the final microstructure. The relatively short milling time of 20 hours resulted in the evolution of relatively coarse elongated grains with a large fraction of low-angle subgrain boundaries. In contrast, fine equiaxed grains (about 0.2 μm in size) with a near random boundary misorienations developed in the Fe - 0.6%O sample that was milled for 300 hours. The structural changes taking place under mechanical milling followed by consolidating rolling and the effect of dispersed oxides on final microstructures are discussed in some detail.

元の言語英語
ページ(範囲)2771-2776
ページ数6
ジャーナルMaterials Science Forum
426-432
発行部数3
出版物ステータス出版済み - 1 1 2003
イベントThermec 2003 Processing and Manufacturing of Advanced Materials - Madrid, スペイン
継続期間: 7 7 20037 11 2003

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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