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我國實現高強高韌低密度鋼工業化制備

關鍵詞 低密度鋼|2017-12-28 10:17:11|來源 中國航空報
摘要 近日,江陰興澄特種鋼鐵有限公司與北方材料科學與工程研究院“國家千人計劃”團隊經過3個多月合作攻關,實現了高強高韌低密度鋼產品的工業化制備。目前,已成功軋制不同規格的鋼板板型良好,無...

  近日,江陰興澄特種鋼鐵有限公司與北方材料科學與工程研究院“國家千人計劃”團隊經過3個多月合作攻關,實現了高強高韌低密度鋼產品的工業化制備。目前,已成功軋制不同規格的鋼板板型良好,無損探傷高于工業1級水平。這一突破使我國低密度鋼的工業化生產技術處于國際領先水平。

  據了解,鑒于能源短缺與高安全性要求,鋼鐵材料的高強韌化與低密度化成為國際研發熱點,但其技術難度很大。興澄特鋼聯合攻關組先后解決了材料結構、熱處理、生產工藝等技術難題,所生產的高強高韌低密度鋼的密度低于7.0g/cm3,比常規鋼的密度降低10%~15%,同時具備良好的強韌性,其比強度、比剛度可與鈦合金媲美,綜合制造成本僅與普通不銹鋼相當。此鋼在車輛、船舶、航空航天及軍事領域的輕量化與安全服役等方面,都有廣泛應用前景。

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