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| 1 | A MESHLESS LOCAL PETROV-GALERKIN METHOD FOR GEOMETRICALLY NONLINEAR PROBLEMS显示文摘Nonlinear formulations of the meshless local Petrov-Galerkin (MLPG) method are presented for geometrically nonlinear problems. The method requires no mesh in computation and therefore avoids mesh distortion difficulties in the large deformation analysis. The essential boundary conditions in the present formulation are imposed by a penalty method. An incremental and iterative solution procedure is used to solve geometrically nonlinear problems. Several examples are presented to demonstrate the effectiveness of the method in geometrically nonlinear problems analysis. Numerical results show that the MLPG method is an effective one and that the values of the unknown variable are quite accurate. | Xiong Yuanbo Long Shuyao Hu De'an Li Guangyao | 2005 | Acta Mechanica Solida Sinica2005，18，4： | 9 |
| 2 | Abrasive wear behavior of PTFE for seal applications under abrasive-atmosphere sliding condition显示文摘Abrasive wear is a common failure phenomenon that often limits the service life of sealing elements. Evaluation and comparison of the abrasion resistance of polytetrafluoroethylene (PTFE) were conducted using Al2O3particleswithsizesintherange5to200 μmonapin-on-flattribo-testerunderdryreciprocatingsliding conditions at room temperature. Based on the examined worn surface characteristics of both PTFE and 316L stainless steel (as a counterpart) and the analyzed coefficient of friction (COF) evolutions, the wear mechanism and particle size effect have been explored in detail. The results demonstrate that the abrasive size is the main contributing factor, which can drastically impact the wear mechanism and tribological properties of tribo-pairs. The COF exhibits different evolution characteristics (trends) for different abrasive sizes. For moderate particle sizes, the COF trends become more complicated and the most evident wear of the metallic counterpart is evident. The activity behaviors of abrasives are dominated by the particle size. Particles can becomes embedded in one of the tribo-pair materials to plough-cut the counterpart, thus causing two-body abrasive wear. The abrasives can also behave as free rolling bodies, which play the role of third body to realize three-body 'PTFE-abrasive-316L'abrasion. When abrasives are involved in the wear process, both the wear rate and COF of the metallic counterpart increase, but the material removal rate of the PTFE is reduced. The results obtained can offer guidelines regarding the design and protection of seals. | Mingxue SHEN Bo LI Zhinan ZHANG Longzhi ZHAO Guangyao XIONG | 2020 | Friction2020，8，4： | 3 |
| 3 | Synthesis of ZnO by Chemical Bath Deposition in the Presence of Bacterial Cellulose显示文摘The control of the morphology of zinc oxide(ZnO) crystals is very important in science and industry.This article reports the influence of bacterial cellulose(BC) on the morphology of ZnO prepared by chemical bath deposition.ZnO nanostructures synthesized with and without adding BC to the aqueous solution of zinc acetate and ammonia were characterized by scanning electron microscopy,transmission electron microscopy,and X-ray diffraction.The results reveal that the presence of BC in the aqueous solution changes the morphology from spindle to flower,which is ascribed to the interactions between –OH on BC nanofibers and Zn2?in the solution.In addition,optical property of the two ZnO nanostructures was compared. | Guangyao Xiong Honglin Luo Jing Zhang Jun Jin Yizao Wan | 2014 | Acta Metallurgica Sinica(English Letters)2014，27，4： | 2 |
| 4 | Air DBD plasma treatment on three-dimensional braided car- bon fiber-reinforced PEEK composites for enhancement of in vitro bioactivity 显示文摘 | Luo Honglin Xiong Guangyao Ren Kaijing | 2014 | Surface and Coatings Techno- logy2014，242，： | 1 |
| 5 | Evolu- tion of morphology of bacterial cellulose scaffolds during early culture 显示文摘 | Luo Honglin Zhang Jing Xiong Guangyao | 2014 | Carbohydr Polym2014，111，： | 1 |
| 6 | Preparation and characterization of a new biomedical magnesium-calcium alloy显示文摘 | Wan Yizao Xiong Guangyao Luo Honglin | 2008 | Materials and Design2008，29，0： | 1 |
| 7 | Characterization of TEMPO-oxidized bacterial cellulose scaffolds for tissue engineering applications显示文摘 | Luo Honglin Xiong Guangyao Hu Da | 2013 | Materials Chemistry and Physics2013，143，： | 1 |
| 8 | Characteriza- tion of TEMPO-oxidized bacterial cellulose scaffolds for tis- sue engineering applications 显示文摘 | Luo Honglin Xiong Guangyao Hu Da | 2013 | Mater Chem Phys2013，143，1： | 1 |
| 9 | Surface controlled calcium phosphate formation on three-dimensional bacterial cellulose-based nanofibers 显示文摘 | Luo Honglin Xiong Guangyao Zhang Chen | 2015 | Materials Science and Engineering C2015，49，： | 1 |
| 10 | The methods to implement multi-cutting of WEDM- HS 显示文摘 | Xiong Guangyao Zhang Jian Zhao Longzhi | 2010 | International Conference on Mechanic Automation and Control Engineering (MACE)2010，，： | 1 |
| 11 | Characterization of TEMPO-oxidized bacterial cellulose scaffolds for tissue engineering applications显示文摘 | Luo Honglin Xiong Guangyao Hu I)a | 2013 | Materials Chemistry and Physics2013，143，1： | 1 |
| 12 | Research Progress of Ceramic Metallization Technology显示文摘Due to the wide application of ceramics in electronic device packaging,the performance of ceramic metallization layer directly determines the performance of the whole package device.This paper introduces the main preparation methods of ceramic metallization,discusses the influence of Mo powder size,metallization formula,sintering temperature and other factors on the performance of ceramic metallization layer prepared by activated Mo-Mn method,and introduces several kinds of methods that can be tested to test the performance of ceramic metallized sealing samples.A new research direction of Ceramic Metallization Technology in the advanced field is put forward. | Yang XIANG Xuechong XIONG Jin WEN Guangyao ZHAO Zhihang PENG Feng CAO | 2020 | Research and Application of Materials Science2020，2，1： | 0 |
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