国家自然科学基金(51001011)

作品数:4被引量:20H指数:3
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相关作者:徐敏郑磊孟晔杨武强张斌更多>>
相关机构:北京科技大学钢铁研究总院国家国防科技工业局更多>>
相关期刊:《Journal of Iron and Steel Research International》《Transactions of Nonferrous Metals Society of China》《稀有金属材料与工程》更多>>
相关主题:GH141合金THERMO-CALC软件热力学镍基高温合金GRAIN_BOUNDARY更多>>
相关领域:一般工业技术金属学及工艺石油与天然气工程更多>>
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镍基高温合金GH141平衡析出相的热力学计算分析被引量:14
《稀有金属材料与工程》2016年第11期2925-2931,共7页徐敏 杨武强 张斌 张麦仓 孟晔 胥国华 郑磊 
国家自然科学基金(51001011);霍英东教育基金会(141043);中央高校基本科研业务费(FRF-TP-12-042A)
应用Thermo-Calc热力学计算软件,对GH141合金的平衡析出相和非平衡凝固过程进行了模拟计算。结果表明:GH141合金的平衡析出相有γ、γ′、σ、μ和碳化物(M C、M_6C、M_(23)C_6);合金凝固过程中Mo、Ti元素正偏析比较严重,这会降低合金...
关键词:GH141合金 THERMO-CALC软件 平衡析出相 
Verification of Interpretation of Dynamic Strain Aging for Intermediate Temperature Embrittlement in Ni-Bi Alloy
《Journal of Iron and Steel Research International》2015年第7期602-606,共5页Wu-qiang YANG Min XU Ye MENG Lei ZHENG Xiao-dong MENG 
Item Sponsored by National Natural Science Foundation of China(51001011);Fundamental Research Funds for the Central Universities of China(FRF-TP-12-042A);Fok Ying Tong Education Foundation(141043)
Intermediate temperature embritttement (ITE) is a general phenomenon in Ni alloys and recently was interpreted by dynamic strain aging (DSA). The relationship between ITE and DSA was studied by a binary Ni-Bi allo...
关键词:intermediate temperature embrittlement Ni-Bi alloy dynamic strain aging stress-strain curve fracture morpbology 
Non-equilibrium grain-boundary segregation of Bi in Cu bicrystals被引量:4
《Transactions of Nonferrous Metals Society of China》2014年第12期4038-4043,共6页杨武强 徐敏 梁剑雄 孟晔 郑磊 
Project(51001011)supported by the National Natural Science Foundation of China;Project(141043)supported by the Fok Ying-Tong Education Foundation,China;Project(FRF-TP-12-042A)supported by the Fundamental Research Funds for the Central Universities,China
The observations of grain-boundary segregation of Bi in Cu bicrystals were analyzed. According to equilibrium grain boundary segregation (EGS) model and non-equilibrium grain-boundary segregation (NGS) model, resp...
关键词:BISMUTH copper SEGREGATION grain boundary diffusion 
Relationship Between Grain Boundary Segregation of Antimony and Temper Embrittlement in Titanium-Doped Nickel-Chromium Steel被引量:4
《Journal of Iron and Steel Research International》2011年第1期68-72,共5页ZHENG Lei ZHANG Mai cang DONG Jian-xin MENG Ye 
Item Sponsored by National Natural Science Foundation of China(51001011)
The antimony segregation at grain boundary was observed and the temper embrittlement in titanium-doped nickel-chromium steel was analyzed. It is concluded that the antimony segregation at grain boundary is nonequilibi...
关键词:grain boundary segregation temper embrittlement critical time diffusion activation energy 
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