利用最小晶格错配和强有序效应发展超强金属材料(英文) |
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作者姓名: | 彭博 王辉 周敏 张韧 李忻婷 吴军 许广鹏 周立新 董好甜 蒋虽合 吕昭平 |
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作者单位: | 1. State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing;5. Daye Special Steel Co., Ltd |
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基金项目: | supported by the National Key Research and Development Program of China (2022YFB3705201);;the National Natural Science Foundation of China (51971018 and U20B2025);;the Funds for Creative Research Groups of National Natural Science Foundation of China (51921001);;111 Project (BP0719004);;the Program for Changjiang Scholars and Innovative Research Team in University of China (IRT_14R05); |
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摘 要: | 本文概括总结了传统超高强度钢的强韧化机制,针对2 GPa以上超高强度钢强韧性匹配不足、成本昂贵等突出问题,提出了最小化晶格错配和强有序效应以发展新型超强金属材料,并协同利用高密度共格粒子、高密度位错、弹性畸变中心等多重效应,克服传统共格析出强化合金低塑韧性问题,实现超高强度钢良好强韧性匹配.
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