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NanoScaled Precipitates in Low Carbon High Strengh Steel With Microalloyed Ti Produced by CSP |
WU Huajie,FU Jie,LIU Yangchun |
School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China |
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Abstract Using chemical phase analysis and high resolution TEM analysis, HSLC steel with microalloyed Ti produced by CSP was studied. It was found that the amount of nanoscaled MC particles is less than that of nanoscaled M3C particles by two orders of magnitude. For example the amount of M3C particles less than 18 nm in size was 0024% but that of MC is only 00009%. NanoScaled precipitates can be divided into three types: type 1 containing Ti, Fe, C, N, O, type 2 containing Fe, C, O, and type 3 containing Fe, O only.
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Received: 01 January 1900
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