Structure and Property of Heating WorkingQ235 Bloom by EPM Treated
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摘要: 通過對電脈沖孕育(EPM)處理和未經處理的Q235鋼連鑄小方坯熱加工后組織及性能的比較,研究了經EPM處理后改善和細化了的凝固組織對熱加工后組織和性能的影響。研究結果表明,經EPM處理后的Q235鋼連鑄小方坯鍛造、熱處理后的組織均勻,比未經處理鋼的晶粒更為細小,晶粒尺寸由40μm減小到20μm;σU提高了6.9%,αk值提高了10%。
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關鍵詞:
- 連鑄小方坯 /
- 電脈沖孕育(EPM) /
- 熱加工 /
- 組織與性能
Abstract: Compared the structure and property of Q235 continuous casting bloom by EPM treating with no-treating after heating working, the influence of structure and prop-erty of heating working with improved and fined casting structure by EPM treating have been researched. The results shown that the structure of heating working by EPM treating is more even, and the crystal is finer than no-treating. The σU increases 6.9%, and αk increases 100%. -
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