#江理新闻# 近日,我校帅词俊教授领衔的生物增材制造团队杨友文博士以第一作者发表在Bioact Mater(卓越期刊,影响因子14.593)的研究成果“Microstructure evolution and texture tailoring of reduced graphene oxide reinforced Zn scaffold”入选ESI 1‰热点论文和ESI 1%高被引论文,该成果自发表以来在该刊发表的所有论文中引用排名第一。
[HKBU Science Homecoming Day 2021]
9 October 2021 is not only a Saturday, but also HKBU Science Homecoming Day! As one of the signature events to celebrate the 60th anniversary of our Faculty, it’s a great chance for alumni to strengthen the bonding with their alma mater, for students to build connection with alumni and find out their career directions, and for all HKBUers to know our latest development.
We want to see you all on this special day! Mark your calendar and register NOW: https://t.cn/A6Mv5CTe
9 October 2021 is not only a Saturday, but also HKBU Science Homecoming Day! As one of the signature events to celebrate the 60th anniversary of our Faculty, it’s a great chance for alumni to strengthen the bonding with their alma mater, for students to build connection with alumni and find out their career directions, and for all HKBUers to know our latest development.
We want to see you all on this special day! Mark your calendar and register NOW: https://t.cn/A6Mv5CTe
#交大新闻#【西安交大科研人员研发出一种面向极端低温环境的高性能中熵合金】现代工业对极端低温环境服役的高性能结构材料的需求日益迫切,而绝大多数传统金属/合金呈现出温度降低、强度升高但塑韧性下降的现象。
近日, 西安交大材料学院孙军教授团队针对这一问题,以NiCoCr合金为模型合金通过成分结构设计进一步提升了其低温综合力学性能。随后,从Al/Ta合金化协同效应以及温度效应两个维度对其力学行为和变形机理进行了深入探索。研究结果表明,Al/Ta共掺杂显著提高了其晶格强度(图1),并且在室温下诱发了异常孪生行为,即Al/Ta共掺杂促进了基体NiCoCr合金中退火孪晶形成但抑制变形孪晶,这分别与晶界松弛行为和孪晶机制转变的尺寸效应密切相关。另外,(NiCoCr)AlxTay合金优异的低温力学性能已经引起了相关企业的关注,通过进一步提升其综合服役性能,能够取得实际应用。
该研究成果日前分别以“Superior strength-ductility synergy and strain hardenability of Al/Ta co-doped NiCoCr twinned medium entropy alloy for cryogenic applications”和“Achieving excellent strength-ductility synergy in twinned NiCoCr medium-entropy alloy via Al/Ta co-doping”为题在结构金属材料领域权威学术期刊Acta Mater.和JMST上发表。西安交通大学材料学院在读博士生张东东为上述论文第一作者,刘刚教授和张金钰教授为论文通讯作者,西安交通大学金属材料强度国家重点实验室为通讯单位。该工作得到了国家自然科学基金、国家重点研发计划等项目的共同资助。
论文链接:JMST: https://t.cn/A6IgxkU1
Acta Mater: https://t.cn/A6IgxkUd
近日, 西安交大材料学院孙军教授团队针对这一问题,以NiCoCr合金为模型合金通过成分结构设计进一步提升了其低温综合力学性能。随后,从Al/Ta合金化协同效应以及温度效应两个维度对其力学行为和变形机理进行了深入探索。研究结果表明,Al/Ta共掺杂显著提高了其晶格强度(图1),并且在室温下诱发了异常孪生行为,即Al/Ta共掺杂促进了基体NiCoCr合金中退火孪晶形成但抑制变形孪晶,这分别与晶界松弛行为和孪晶机制转变的尺寸效应密切相关。另外,(NiCoCr)AlxTay合金优异的低温力学性能已经引起了相关企业的关注,通过进一步提升其综合服役性能,能够取得实际应用。
该研究成果日前分别以“Superior strength-ductility synergy and strain hardenability of Al/Ta co-doped NiCoCr twinned medium entropy alloy for cryogenic applications”和“Achieving excellent strength-ductility synergy in twinned NiCoCr medium-entropy alloy via Al/Ta co-doping”为题在结构金属材料领域权威学术期刊Acta Mater.和JMST上发表。西安交通大学材料学院在读博士生张东东为上述论文第一作者,刘刚教授和张金钰教授为论文通讯作者,西安交通大学金属材料强度国家重点实验室为通讯单位。该工作得到了国家自然科学基金、国家重点研发计划等项目的共同资助。
论文链接:JMST: https://t.cn/A6IgxkU1
Acta Mater: https://t.cn/A6IgxkUd
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