梁拥成教授

    梁拥成,博士,力学教授,19745月出生。主要研究成果有揭示了过渡金属化合物高硬度特性是由化学键(共价键、离子键和金属键等)组合、成键轨道空间分布和键态优化填充等微观方面综合决定的,突破了传统超硬材料(如金刚石等)的纯共价键机制;建立了三维共价网络和热力学稳定性是高硬度设计两大主要参数,从热力学稳定性的能量思路去寻找新型过渡金属化合物超硬材料,超越了在高价电子浓度基础上的高体变模量的超硬设计思路。

研究方向:

超硬材料设计、计算材料物理、工程力学

荣誉及获奖情况:

1上海市海洋科技发明二等奖1(排名第1)、科技进步二等奖1(排名第2)

2上海市浦东新区科技进步三等奖1(排名第1)

3、上海市科技进步二等奖1(排名第4)

4上海市水务海洋科技二等奖1(排名第2)

近年来承担的主要科研项目:

1、国家自然科学基金、No.51671126、新型超硬材料的微纳尺度设计:以多相金属硼化物为例、2016/1-2020/1260万元、主持。

2、国家自然科学基金、No.51072213、新型过渡金属硼化物超硬材料的微观机制与理论预测、2011/1-2013/1238万元、主持。

3、上海市科委基础领域重点项目、No.13JC1402900、新型超硬材料的微观设计:以过渡金属硼化物为例、2013/9-2016/840万元、主持。

4、上海市科委重点项目、No.11160501000、面向海洋浮标装备的波浪能供电关键技术研究与试验、2011/12-2014/680万元、主持。

5、上海市科委重点项目、No.08210511900、海洋浮潜标装备及其控制技术、2008/10- 2011/970万元、主持。

6、上海市自然科学基金、No.08ZR1409400、高压下若干过渡金属化合物相变与超硬的研究、2008/8-2010/910万元、主持。

7、上海市教委科研创新重点项目、No.11ZZ147、过渡金属硼化物WBx的超硬机制与微观设计、2011/1-2013/1215万元、主持。

8. 上海市教委科研创新项目、No.08YZ119、过渡金属化合物超硬的结构设计与内在机制、2008/1-2010/128万元、主持。

近年来发表的代表性论著、专利:

1.Yongcheng Liang, Zhenbang Gao, Ping Qin, Li Gao, Chun Tang. The mechanism of anomalous hardening in transition-metal monoborides, Nanoscale 9, 9112(2017).

2.Yongcheng Liang, Zhaobing Wu, Xun Yuan, Wenqing Zhang, Peihong Zhang. Discovery of elusive structures of multifunctional transition-metal borides, Nanoscale 8, 1055(2016).

3.Yongcheng Liang, Xun Yuan, Yanfeng Gao, Wenqing Zhang, Peihong Zhang. Phonon- assisted crossover from nonmagnetic Peierls insulator to magnetic Stoner metal, Phys. Rev. Lett. 113, 176401(2014).             

4.Yongcheng Liang, Jiong Yang, Xun Yuan, Wujie Qiu, Zheng Zhong, Jihui Yang, Wenqing Zhang. Polytypism in superhard transition-metal triborides, Sci. Rep. 4, 5063 (2014).

5.Yongcheng Liang, Xun Yuan, Wenqing Zhang.Thermodynamic identification of tungsten borides, Phys. Rev. B83, 220102(R)(2011). 

6.Yongcheng Liang, Chun Li, Wanlin Guo, Wenqing Zhang.First-principles investigation of technetium carbides and nitrides, Phys. Rev. B79, 024111(2009).

7.Yongcheng Liang, Wenqing Zhang, Jianzhi Zhao, Lianfeng Chen. Superhardness, stability, and metallicity of diamondlike BC5: Density functional calculations, Phys. Rev. B80, 113401(2009).                             

8.Yongcheng Liang, Bin Zhang, Jianzhi Zhao. Mechanical properties and structural identifications of the cubic TiO2, Phys. Rev. B 77, 094126(2008).

9.Yongcheng Liang, Bin Zhang. Mechanical and electronic properties of superhard ReB2. Phys. Rev. B 76, 132101(2007).

10.Yongcheng Liang, Xun Yuan, Zhao Fu, Yuan Li, Zheng Zhong. An unusual variation of stability and hardness in molybdenum borides, Appl. Phys. Lett. 101, 181908 (2012).

11.Yongcheng Liang, Zhao Fu, Xun Yuan, Shiming Wang, Zheng Zhong, Wenqing Zhang. An unexpected softening from WB3 to WB4, Europhys. Lett. 98, 66004(2012).

12.Yongcheng Liang,Wenqing Zhang, Lianfeng Chen. Phase stabilities and mechanical properties of two new carbon crystals, Europhys. Lett. 87, 56003(2009).

13.Yongcheng Liang, Zhong Fang. First-principles study of osmium under high pressure, J. Phys.: Condens. Matter 18, 8749 (2006).

14.Yongcheng Liang, Xun Yuan, Wenqing Zhang.Ultrastiffness and metallicity of rhenium nitrides, J. Appl. Phys. 109, 053501(2011).

15.Yongcheng Liang, Zheng Zhong, Wenqing Zhang. A thermodynamic criterion for designing superhard transition-metal borides with ultimate boron content, Comp. Mater. Sci. 68, 222(2013).

16. Yongcheng Liang, Yanpeng Gou, Xun Yuan, Zheng Zhong, Wenqing Zhang. Unexpectedly hard and highly stable WB3 with a noncompact structure, Chem. Phys. Lett. 580, 48(2013).                                         

17. Yongcheng Liang, Xun Yuan, Wenqing Zhang. The effect of magnetostructural coupling on mechanical behaviors in CrN, SolidState Commun.150, 2045(2010).

18. Yongcheng Liang, Jianzhi Zhao, Bin Zhang. Electronic structure and mechanical properties of osmium borides, carbides and nitrides from first principles, SolidState Commun.146, 450(2008).

19.Yanpeng Gou, Zhao Fu, Yongcheng Liang*, Zheng Zhong, Shiming Wang. Electronic structures and mechanical properties of iron borides from first principles. SolidState Commun.187, 28 (2014). 

20.Yongcheng Liang, Zhaobing Wu, Shiming Wang. Magnetostructural, mechanical and electronic properties of manganese tetraboride, AIP Adv. 5,117208(2015).

21. Zhao Fu, Yongcheng Liang*, Shiming Wang, Zheng Zhong. Structural phase transition and mechanical properties of TiO2under high pressure, Physica Status Solidi B 250, 2206 (2013).                             

22. Jianzhi Zhao, Guangtao Wang, Yongcheng Liang*. Mechanical properties and electronic structures of cotunnite TiO2. Chinese Phys. Lett. 25, 4356(2008).

23.Yongcheng Liang, Anhu Li, Qiuhong Song. Structural phase transition and mechanical properties of OsO2 under high pressure, Int. J. Mod. Phys. B24, 4269(2010).

24. Qing Zhang, Shiming Wang, Yongcheng Liang*. Mechanical and electronic properties of diamondlike BC5, J. Zhejiang Uni. -Sci. A (Appl. Phys. Engin.)12, 177 (2011).

25. Yongming Bian, Xiaomei Liu, Anhu Li, Shiming Wang, Yongcheng Liang*. Mechanical properties of technetium carbides, Mater. Res. Innov.19,178(2015).

26. Yongcheng Liang, Anhu Li, Jianzhi Zhao, Wenqing Zhang. Designing superhard materials by incorporating boron into heavy transition metals, Mod. Phys. Lett. B 23, 1281(2009).

主要学术兼职:

    兼任国际Sci. Rep.期刊编委会成员;兼任Phys. Rev. BJ. Appl. Phys.J. Alloys Comp.Chem. Phys. Lett.SolidState Commun.Solidi Status Phys.Comput. Mater. Sci.Mod. Phys. Lett. BPhysica BInt. J. Mod. Phys.和《中国科学(英文版)》、《力学学报(英文版)》等多家国内外SCI期刊稿件评阅人。

联系电话:67792089-549                                                        E-MAILycliang@dhu.edu.cn