| 冷却速率对1Cr18Ni9Ti钢高温脆性区凝固组织的影响 |
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| 引用本文： | 梁建平,王立新,刘旭峰,孙铭山,蒋明伟,翟启杰.冷却速率对1Cr18Ni9Ti钢高温脆性区凝固组织的影响[J].材料科学与工艺,2009,17(3):414-417. |
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| 作者姓名： | 梁建平 王立新 刘旭峰 孙铭山 蒋明伟 翟启杰 |
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| 作者单位： | 梁建平,刘旭峰,蒋明伟,翟启杰,LIANG Jian-ping,LIU Xu-feng,JIANG Ming-wei,ZHAI Qi-jie(上海大学,材料科学与工程学院,上海,200072);王立新,WANG Li-xin(上海大学,材料科学与工程学院,上海,200072;太原钢铁(集团)有限公司技术中心,太原,030003);孙铭山,SUN Ming-shan(太原钢铁(集团)有限公司技术中心,太原,030003) |
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| 基金项目： | 上海科学技术委员会重点实验室合作开放资金 |
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| 摘 要： | 连铸过程中裂纹主要产生在凝固末期的高温脆性温度区间,凝固组织对其影响巨大.结合相图并利用示差扫描量热仪(DSC)、定向凝固实验系统和Gleeble-3800热模拟实验机,在对1Cr18Ni9Ti奥氏体不锈钢的熔化和近平衡凝固过程进行分析的基础上,研究了冷却速率对奥氏体不锈钢高温脆性区凝固组织的影响.研究表明,1Cr18Ni9Ti钢的近平衡凝固模式为FA型,随着冷速的加大,铁素体的形态从晶内骨骼状分布转变到晶间不规则块状分布,其含量也有所提高.
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| 关 键 词： | 1Cr18Ni9Ti钢 冷却速率 高温脆性区 凝固组织 |
Effect of cooling rate on solidification structure in high temperature brittle zone of 1Cr18Ni9Ti steel |
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| LIANG Jian-ping,WANG Li-xin,LIU Xu-feng,SUN Ming-shan,JIANG Ming-wei,ZHAI Qi-jie Co.LTD.,Taiyuan ,China.Effect of cooling rate on solidification structure in high temperature brittle zone of 1Cr18Ni9Ti steel[J].Materials Science and Technology,2009,17(3):414-417. |
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| Authors: | LIANG Jian-ping WANG Li-xin LIU Xu-feng SUN Ming-shan JIANG Ming-wei ZHAI Qi-jie CoLTD Taiyuan China |
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| Affiliation: | LIANG Jian-ping1,WANG Li-xin1,2,LIU Xu-feng1,SUN Ming-shan,JIANG Ming-wei1,ZHAI Qi-jie1 (1.School of Materials Science , Engineering,Shanghai University,Shanghai 200072,China,2.Technology Center of Taiyuan Iron & Steel(Group) Co.LTD.,Taiyuan 030003,China) |
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| Abstract: | The solidification structure has a great impact on solidification cracks which mainly occurred in the high-temperature brittle zone in the continuous casting process.Employing differential scanning calorimeter(DSC),directional solidification system and Gleeble-3800 thermal simulation testing machine,the effects of cooling rate on solidification structure of 1Cr18Ni9Ti stainless steel in high-temperature brittle zone were investigated on the basis of the study on the process of melting and near-equilibrium f... |
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| Keywords: | 1Cr18Ni9Ti steel cooling rate high-temperature brittle zone solidification structure |
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