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Coarsening of M23C6 Precipitates in an Fe-Cr-C Ternary Alloy

ZHU Na-qiong , LU Li , HE Yan-lin , LI Lin , LU Xiao-gang

钢铁研究学报(英文版)

Coarsening of M23C6 precipitates in an Fe-12.4Cr-0.13C ternary alloy has been investigated ageing at 780 ℃ up to 200 h. Evolution of M23C6 carbides at different ageing times was determined experimentally using transmission electron microscopy. Particle size distribution was obtained with different m...

关键词: M23C6 , coarsening , PSD , interfacial energy

Effect of Overaging on Solute Distributions and Bake Hardening Phenomenon in Bake Hardening Steels

WANG Hua , SHI Wen , HE Yan-lin , LU Xiao-gang , LI Lin

钢铁研究学报(英文版)

Specimens of two different kinds of bake hardening steels (BH-Mn and BH-P) were prepared and treated with different annealing processes (water quenching and overaging). A novel technique of three dimensional atom probe was used to investigate solute distributions in these steels. The results indicat...

关键词: ultra-low carbon , bake hardening steel , three dimensional atom probe , solute C , water quenching , overaging , bake hardening phenomenon

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