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对C92DA帘线钢进行连续冷却转变曲线测定,观测其热处理后的室温相组织和维氏硬度,研究控冷工艺及奥氏体化温度对C92DA钢组织性能的影响。结果表明,使C92DA钢获得最佳组织性能的控冷速率为10℃/s,奥氏体化温度为900℃;C92DA钢珠光体转变温度随冷却速率增大而降低,转变时间随冷却速率增大而缩短;C92DA钢珠光体片层间距随冷却速率增大而减小,片层排列方向趋于紊乱。 相似文献
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Zipping-and-assembly mechanism (ZAM) is a new mechanism describing the kinetics of protein folding. To dissect the validity of this mechanism for various protein-like systems, a prediction test based on three-dimensional HP lattice models is carried out. It is found that only the native structures of a part of protein-like models could be predicted with a ZAM-based method. The detailed comparisons between the model proteins which are predicted or failed with the ZAM-based method suggest that the ZAM is likely to be applicable for the model proteins with the weak hydrophobicity, the low contact order for native conformations, and the large separation between the energies of native state and denatured states. These observations bring us more information about the protein-like systems for which the ZAM could be applied. 相似文献
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