| 应用高温冲击测定铁素体不锈钢韧脆转变温度 |
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| 引用本文： | 李和田,方键,李陈,丁富连. 应用高温冲击测定铁素体不锈钢韧脆转变温度[J]. 物理测试, 2011, 0(Z1): 71-74 |
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| 作者姓名： | 李和田 方键 李陈 丁富连 |
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| 作者单位： | 宝山钢铁股份有限公司宝钢研究院;上海交通大学材料科学与工程学院 |
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| 摘 要： | 利用玻尔兹曼函数模型对含镍铁素体不锈钢铸坯系列冲击试验的试验数据进行拟合,得到了冲击韧脆转变曲线。结果表明:当曲线的韧性上与脆性下平台明显时,玻尔兹曼函数在拟合冲击韧脆转变曲线过程中具有良好的应用效果,并基于解析的拟合曲线测得该钢铸坯的韧脆转变温度为168℃。
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| 关 键 词： | 含镍铁素体不锈钢 冲击试验 韧脆转变曲线 玻尔兹曼函数 |
Application of High Temperature Impact in the Determination of Ductile Brittle Transition Temperature for Ferrite Stainless Steel |
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| LI He-tian,FANG Jian,LI Chen,DING Fu-lian. Application of High Temperature Impact in the Determination of Ductile Brittle Transition Temperature for Ferrite Stainless Steel[J]. Physics Examination and Testing, 2011, 0(Z1): 71-74 |
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| Authors: | LI He-tian FANG Jian LI Chen DING Fu-lian |
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| Affiliation: | 1(1.Baosteel Researeh Institute,Baoshan Iron and Steel CoLtd.Shanghai 201900,China;2.School of Material Science and Engineering,Shanghai Jiaotong University.Shanghai 200240,China) |
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| Abstract: | Nickel ferrite stainless steel billet serial impact test datas were fitted with Bohzmann function and the ductlle-brittle transition temperature curve were gained.The results show that: when the curve upper and lower platform obviously,Boltzmann function in fitting the impact of transition curve process with good results,and an analytic solution of the ductile-brittle transition temperature is 168 ℃. |
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| Keywords: | nickel ferrite stainless steel impact test ductile-brittle transition temperature curve Boltzmann functiom |
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