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題 名 | Effect of Cold Deformation Texture on the Subsequent Recrystallisation Behaviour of Oxide Dispersion Strengthened MA956 Steel Sheet=氧化物散佈強化型MA956鋼片之變形集合組織與再結晶行為影響 |
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作 者 | 周棟勝; | 書刊名 | 材料科學 |
卷 期 | 27:4 1995.12[民84.12] |
頁 次 | 頁303-317 |
分類號 | 454.8 |
關鍵詞 | 機械合金; 集合組織; 方向分佈函數; 橫向軋延; Mechanically alloyed; Texture; Orientation distribution functions; Cross-rolling; |
語 文 | 英文(English) |
中文摘要 | 本文探討氧化物散佈強化型機械合金MA956鋼片之集合組織與再結晶 行為之影響。研究顯示,板片的機械合金鋼材其有表面到中心的集合組織梯度變 化。機械合金MA956鋼片於不同厚度部位均其有極強的α型纖維集合組織,其中 又以001<110>組成尤為顯著。然而,鋼片之中心部份則有較強的γ型纖維集合組 織,特別是對lll<110>組成的增強。由於結晶集合組織對晶粒成核的優先性效應, 鋼片之中心部份較有利於再結晶的發生。另一方面,橫向軋延會造成γ型纖維集 合組織的消除,使得再結晶不易發生。由此,可進一步確認集合組織對此類鋼材 再結晶行為之顯著影響 |
英文摘要 | The crystallographic texture and its effect on the recrystallisation behaviour in mechanicallyalloyed oxide dispersion strengthened MA956 steel sheet has been investigated. It is found that themechanically alloyed steel in a sheet form has the surface-to-centre texture gradient. The steel sheetshows a strong α-fibre with the specially intensified 001<110> texture component through the whole thickness. However, the central location has a considerably high intensity of T texture. Furthercold deformation tends to intensify the γ-fibre with the obvious enhancement on lll<110> component. Due to the crystallographic texture effect on the preferred formation of effective nuclei, the central location is easier to be recrystallised than the others. On the other hand, cross-rolling cancompletely destroy the γ-fibre texture, thus cause the difficulty for recrystallisation, which can furtherconfirm the dominant effect of crystallographic texture on recrystallisation behaviour. |
本系統中英文摘要資訊取自各篇刊載內容。