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| 1 | PERSPECTIVES IN MECHANICS OF HETEROGENEOUS SOLIDS显示文摘The Microand Nano-mechanics Working Group of the Chinese Society of Theoretical and Applied Mechanics organized a forum to discuss the perspectives,trends,and directions in mechanics of heterogeneous materials in January 2010.The international journal,Acta Mechanica Solida Sinica,is devoted to all fields of solid mechanics and relevant disciplines in science,technology,and engineering,with a balanced coverage on analytical,experimental,numerical and applied investigations.On the occasion of the 30 th anniversary of Acta Mechanica Solida Sinica,its editor-in-chief,Professor Q.S.Zheng invited some of the forum participants to review the state-of-the-art of mechanics of heterogeneous solids,with a particular emphasis on the recent research development results of Chinese scientists.Their reviews are organized into five research areas as reported in different sections of this paper.§I firstly brings in focus on microand nano-mechanics,with regards to several selective topics,including multiscale coupled models and computational methods,nanocrystal superlattices,surface effects,micromechanical damage mechanics,and microstructural evolution of metals and shape memory alloys.§II shows discussions on multifield coupled mechanical phenomena,e.g.,multi-fields actuations of liquid crystal polymer networks,mechanical behavior of materials under radiations,and micromechanics of heterogeneous materials.In §III,we mainly address the multiscale mechanics of biological nanocomposites,biological adhesive surface mechanics,wetting and dewetting phenomena on microstructured solid surfaces.The phononic crystals and manipulation of elastic waves were elaborated in §IV.Finally,we conclude with a series of perspectives on solid mechanics.This review will set a primary goal of future science research and engineering application on solid mechanics with the effort of social and economic development. | C.Q. Chen J.Z. Cui H.L. Duan X.Q. Feng L.H. He G.K. Hu M.J. Huang Y.Z. Huo B.H. Ji B. Liu X.H. Peng H.J. Shi Q.P. Sun J.X. Wang Y.S. Wang H.P. Zhao Y.P. Zhao Q.S. Zheng W.N. Zou | 2011 | Acta Mechanica Solida Sinica2011，24，1： | 18 |
| 2 | Stress Corrosion Cracking of X80 Pipeline Steel in Near-Neutral pH Environment under Constant Load Tests with and without Preload显示文摘Constant load tests in NS4 solution purged with N2-5%CO2 gas mixture were conducted on American Petroleum Institute (API) X80 pipeline steel applied in the 2nd West-East Gas Pipeline project with and without preload. The results show that cracks could initiate and propagate in X80 pipeline steel in near-neutral pH environment under a constant load condition. The life of crack initiation and propagation increased with decreasing applied stress. Preload did not change its corrosion behavior obviously. However, preload reduced the time for crack initiation. | Y.Z. Jia J.Q. Wang E.H. Han W. Ke1 | 2011 | Journal of Materials Science & Technology2011，27，11： | 12 |
| 3 | NUMERICAL SIMULATION OF THE THERMO-MECHANICAL PROCESS FOR BEAM BLANK CONTINUOUS CASTING显示文摘The aim of this study was to simulate the solidification process of beam blank continuous casting, and then find the reasons for the typical defects of the beam blank. A two-dimensional transient coupled finite element model has been developed to compute the temperature and stress profile in beam blank continuous casting. The enthalpy method was used in the heat conduction equation. The thermo-mechanical property in the mushy zone was taken into consideration in this calculation. It is shown that at the mold exit the thickness of the shell had its maximum value at the flange tip and its minimum value at the fillet. The temperature had a great fluctuation on the surface of the beam blank in the secondary cooling zone. At the unbending point, the surface temperature of the web was in the brittleness temperature range under the present condition. To ensure the quality, it is necessary to weaken the intensity of secondary cooling. At the mold exit the equivalent stress and strain have higher values at the flange tip and at the web. From the spray 1 to the unbending point, the maximum values of stress and strain gradually moved to the internal section of the flange tip and the web. However, whenever, there were bigger stress and strain values near the flange tip and the web than in the other parts, it must be very easy to generate cracks at those positions. Now, online verification of this simulation has been developed, which has proved to be very useful and efficient to instruct the practical production of beam blank continuous casting. | W. Chen Y.Z. Zhang C.J. Zhang L.G. Zhu B.X. Wang W.G. Lu J.H. Ma | 2007 | Acta Metallurgica Sinica(English Letters)2007，20，4： | 8 |
| 4 | SIMULATION OF THE MICROSTRUCTURE DISTRIBUTION OF HYDROGEN STORAGE ALLOY AND OPTIMAL DESIGN OF CASTING MOULDS显示文摘In this paper,a simulation model for the temperature field in the solidification process and microstructure distribution is presented. Then, the result of simulation for the final microstructure distribution is compared with experiment using 10-Kg ingot of MlNi3.55Al0.3Mn0.4CO0.75 (Ml: Lanthanum-rich Mischmetal) hydrogen stor- age alloy cast in a mould, which agrees with the experiment well. Finally, in order to obtain the expected as-cast microstructure distribution of 15-Kg ingot of MlNi3.55Al0.3Mn0.4Co0.75 alloy, the size of Cu mould is optimized using the model described. The optimized mould is then made and the alloy is cast in it, the expected as-cast microstructure distribution is obtained. | Q.A. Li, H.Q. Mo, Y.Z. Huo, G. Sang, Y.F. Chen, M.G. Han, Y.G. Chen and M.J. Tu Department of Metal Materials, Sichuan University, Chengdu 610065, China | 2000 | Acta Metallurgica Sinica(English Letters)2000，13，2： | 4 |
| 5 | A SRUDY ON CORROSION RESISTANCE OF DIFFERENT MATERIAL IN CONDENSATE WATER FROM A NATURAL GAS PURIFYING STATION显示文摘The corrosion behaviors of different material in the condensate water from the natural gas purifying station were studied by laboratory tests, field tests and measurements of polarization curve. The results showed that hot dipping aluminum steel had a good corrosion resistance to the accompanying gas of crude oil and condensate water in the natural gas purifying station. | Y.Z. Luo,D.Y. Yu,Z.M. Xu,Y. Luo,G.T. Qi and J.L. Yang Departent of Chemistry, Huazhong University of Science and Technology, Wuhan 430074,China | 1999 | Acta Metallurgica Sinica(English Letters)1999，12，5： | 3 |
| 6 | COMPUTER SIMULATION OF NEURAL NETWORK CONTROL SYSTEM FOR CO_2 WELDING PROCESS显示文摘In this paper, neural network control systems for decreasing the spatter of CO2 welding have been created. The Generalized inverse Learning Architecture(GILA), the SPecialized inverse Learning Architecture(SILA)-I & H and the Error Back Propagating Model(EBPM) are adopted respectively to simulate the static and dynamic welding control processes. The results of simulation and experiment show that the SILA-I and EBPM have betted properties. The factors affecting the simulating results and the dynamic response quality have also been analyzed. | D. Fan B. Li Y.Z. Ma and J.H. Chen (Welding Institute, Gansu University of Technology,Lanzhou 730050, China) | 2000 | Acta Metallurgica Sinica(English Letters)2000，13，1： | 3 |
| 7 | The directed relation graph method for mechanism reduction in the oxidative coupling of methane显示文摘 | Yuxuan Xin Zhejian Song Y.Z. Tan Dezheng Wang | 2007 | Catalysis Today2007，，1： | 2 |
| 8 | EHD behavior of nitrogen bubbles in DC electric fields显示文摘 | F. Chen Y. Peng Y.Z. Song M. Chen | 2007 | Experimental Thermal and Fluid Science2007，，1： | 2 |
| 9 | Treatment of coke-plant wastewater by biofilm systems for removal of organic compounds and nitrogen显示文摘 | Y.M. Li G.W. Gu J.F. Zhao H.Q. Yu Y.L. Qiu Y.Z. Peng | 2003 | Chemosphere2003，，6： | 2 |
| 10 | CALCULATION OF THE DAMPING OF THE Zn-27Al ALLOY BASED ON THE MICRO INTERFACE SLIDING MODEL显示文摘在修正,稳固答案的处理,和自然老化以后的 Zn-27Al 合金的微观结构被学习。在处理以后, Zn-27Al 合金的抑制性质为什么根据分析微观结构推进了大多数,被澄清。近似表达式被引出了,它能被用来 quantificationally 得出根据滑动模型的微接口抑制 Zn-27Al 合金。由在修正,稳固的答案,和天赋以后比较铸造 Zn-27Al 合金和 Zn-27Al 合金的严峻的抑制性质变老,表情是合理的,这被显示出。 | Y.Z. Zhao Q. Gao Y.C. Liu | 2006 | Acta Metallurgica Sinica(English Letters)2006，19，3： | 2 |
| 11 | RESEARCH ON LASER DIRECT DEPOSITION PROCESS OF Ti-6Al-4V ALLOY显示文摘Laser direct deposition (LDD) of metallic components is an advanced technology of combining CAD/CAM (computer aided design/computer aided manufacturing), high power laser, and rapid prototyping. This technology uses laser beam to melt the powders fed coaxially into the molten pool by the laser beam to fabricate fully dense metallic components. The present article mainly studies the LDD of Ti-6Al-4V alloy, which can be used to fabricate aircraft components. The mechanical properties of the Ti-6Al-4V alloy, fabricated by LDD, are obtained using the tension test, and the oxygen content of used powders and deposited specimens are measured. In the present article, it can be seen that the mechanical properties obtained using this method are higher than the ones obtained by casting, and equal to those got by wrought anneal. One aircraft part has been made using the LDD process. Because of this aircraft part, with sophisticated shape, the effect of the laser scanning track on the internal soundness of the deposited part was discussed. | S.Y. Gao Y.Z. Zhang L.K. Shi B.L. Du M.Z. Xi H.Z. Ji | 2007 | Acta Metallurgica Sinica(English Letters)2007，20，3： | 2 |
| 12 | Effect of Supplementary Feeding on Growth Performance and Ruminal Fermentation in Winter Season Grazing Sheep显示文摘The experiment was conducted with twenty-four grazing sheep divided into 3 experimental groups on the basis of body weights,i.e.control,optimal and non-optimal groups to study the effect of optimized supplementation on growth performance and rumen fermentation characteristics of grazing sheep in winter.The sheep in control were grazing only,whereas the grazing sheep in the optimal were supplemented with 250 g of an optimal forage mix and 404 g of concentrate1.The animals in non-optimal were supplemented with 465 g of concentrate 2.Weight gain rate in the optimal increased by 1.2% and 15.3 % as compared to that of the non-optimal and control group,respectively.Ruminal fermentation parameters were not significantly different between the optimal and non-optimal groups,however,they were significantly improved compared to the control.These results indicated that optimized supplementation strategies in winter were beneficial for markedly improving growth performance and rumen fermentation characteristics of grazing sheep. | H.L.Hu D.X. Lu Y.Z. Liu | 2010 | 畜牧与饲料科学2010，31，6： | 2 |
| 13 | Effects of fiber volume fraction, hot pressing parameters and alloying elements on tensile strength of carbon fiber reinforced copper matrix composite prepared by continuous three-step electrodeposition显示文摘 | Y.Z. Wan Y.L. Wang H.L. Luo X.H. Dong G.X. Cheng | 2000 | Materials Science & Engineering A2000，，1： | 2 |
| 14 | Structural composites hybridized with epoxy compatible polymer/MWCNT nanofibrous interlayers显示文摘 | K. Bilge E. Ozden-Yenigun E. Simsek Y.Z. Menceloglu M. Papila | 2012 | Composites Science and Technology2012，，14： | 1 |
| 15 | Deterioration of compressive property of concrete under simulated acid rain environment显示文摘 | Y.F. Fan Z.Q. Hu Y.Z. Zhang J.L. Liu | 2010 | Construction and Building Materials2010，，10： | 1 |
| 16 | A STUDY OF TEMPERATURE-DEPENDENT VALENCE BOND STRUCTURE OF TITANIUM显示文摘On the basis of energy and shape method for the determination of the valence bond (VB) structures of crystal, the valence bond structure of titanium is redetermined at room temperature and calculated in the whole temperature range of 0-1943K. The outer shell electronic distribution of Ti is e_c^(2.9907) · (s_c^(0.4980) + d_c^(2.4927)) ef1.0093 in crystal. The temperature dependences of the VB structures of hcp and bcc phases are the same. The VB structures of hcp and bcc phases monotonically increase or decrease with the increase in temperature, but show discontinuous changes at the phase-transformation temperature 1155K. | X.B. Li Y.Q. Xie Y.Z. Nie H.J. Peng H.J. Tao F.X. Yu | 2007 | Acta Metallurgica Sinica(English Letters)2007，20，1： | 1 |
| 17 | MBE n-ZnO/MOCVD p-GaN heterojunction light-emitting diode显示文摘 | S.P. Chang R.W. Chuang S.J. Chang Y.Z. Chiou C.Y. Lu | 2009 | Thin Solid Films2009，，17： | 1 |
| 18 | Tailoring a novel network reinforcement architecture exploiting superior tensile properties of in situ TiBw/Ti composites显示文摘 | L.J. Huang S. Wang Y.S. Dong Y.Z. Zhang F. Pan L. Geng H.X. Peng | 2012 | Materials Science & Engineering A2012，，： | 1 |
| 19 | Spectral regions selection to improve prediction ability of PLS models by changeable size moving window partial least squares and searching combination moving window partial least squares显示文摘 | Y.P. Du Y.Z. Liang J.H. Jiang R.J. Berry Y. Ozaki | 2003 | Analytica Chimica Acta2003，，2： | 1 |
| 20 | Prediction of potential toxicity and side effect protein targets of a small molecule by a ligand–protein inverse docking approach显示文摘 | Y.Z. Chen C.Y. Ung | 2001 | Journal of Molecular Graphics and Modelling2001，，3： | 1 |
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