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| 1 | Experimental Investigation and Numerical Simulation of the Grain Size Evolution during Isothermal Forging of a TC6 Alloy显示文摘Hot compression was conducted at a Thermecmaster-Z simulator, at deformation temperatures of 800~1040℃, with strain rates of 0.001~50 s-1 and height reduction of 50%. Grain size of the prior α phase was measured with a Leica LABOR-LUX12MFS/ST microscope to which QUANTIMET 500 software for image analysis for quantitative metallography was linked. According to the present experimental data, a constitutive relationship for a TC6 alloy and a model for grain size of the prior α phase were established based on the Arrhenius' equation and the Yada's equation,respectively. By finite element (FE) simulation, deformation distribution was determined for isothermal forging of a TC6 aerofoil blade at temperatures of 860~940℃ and hammer velocities of 9~3000.0 mm/min. Meanwhile, the grain size of the prior α phase is simulated during isothermal forging of the TC6 aerofoil blade, by combining FE outputs with the present grain size model. The present results illustrate the grain size and its distribution in the prior α phase during the isothermal forging of the TC6 aerofoil blade. The simulated results show that the height reduction, deformation temperature, and hammer velocity have significant effects on distribution of the equivalent strain and the grain size of the prior α phase. | Miaoquan LI, Shankun XUE, Aiming XIONG and Shenghui CHEN State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi’an 710072, China | 2005 | Journal of Materials Science & Technology2005，21，2： | 3 |
| 2 | Adsorptive removal of arsenate and orthophosphate anions by mesoporous alumina 显示文摘 | Mi-Jin Yu Xiong Li Wha-Seung Aim | 2008 | Microporous and Mesoporous Materials2008，113，13： | 1 |
| 3 | Prediction of the mechanical properties of forged TC 11 titanium alloy by ANN 显示文摘 | Li Miaoquan Liu Xuemei Xiong Aiming | 2002 | Journal of Materials Processing Technology2002，，121： | 1 |
| 4 | Prediction of the mechanical properties of forged TCll titanium alloy by ANN显示文摘 | Li Miaoquan Liu Xuemei Xiong Aiming | 2002 | Journal of Materials Processing Technology2002，121，1： | 1 |
| 5 | An adaptive prediction model of grain size for the forging of Ti–6Al–4V alloy based on fuzzy neural networks显示文摘 | Li Miaoquan Chen Dunjun Xiong Aiming Long Li | 2002 | Journal of Materials Processing Tech2002，，3： | 1 |
| 6 | Adaptive H_∞ Synchronization for General Delayed Complex Networks with External Disturbance显示文摘The global adaptive H∞ synchronization is intensively investigated for the general delayed complex dynamical networks. The network under consideration contains unknown but bounded nonlinear coupling functions, time-varying delay, and external disturbance. Based on the Lyapunov stability theory, linear matrix inequality (LMI) optimization technique and adaptive control, several global adaptive H∞ synchronization schemes are established, which guarantee robust asymptotical synchronization of noise-perturbed network as well as a prescribed robust H∞ performance level. Finally, numerical simulations have shown the feasibility and effectiveness of the proposed techniques. | TU Lilan XIONG Aiming | 2013 | Wuhan University Journal of Natural Sciences2013，18，1： | 1 |
| 7 | Microstructural evolution and modelling of the hot compression of a TC6 titanium alloy显示文摘 | Miaoquan Li Aiming Xiong Weichao Huang Hairong Wang Shaobo Su Lichuang Shen | 2002 | Materials Characterization2002，，3： | 1 |
| 8 | Predictiong of the mechanical properties of forged T C11 titanium alloy by ANN显示文摘 | Li Miaoquan Liu Xuemei Xiong Aiming | 2002 | Journal of Materials Processing Technology2002，121，： | 1 |
| 9 | An adaptive prediction model of grain size for the forging of Ti-6Al-4V alloy based on fuzzy neural networks 显示文摘 | Li Miaoquan Chen Dunjun Xiong Aiming | 2002 | Journal of Materials Processing Technology2002，，123： | 1 |
| 10 | Microstructural evolution and modelling of the hot compression of TC6 titanium alloy 显示文摘 | Li Miaoquan Xiong Aiming Huang Weichao | 2003 | Materials Characterization2003，，49： | 1 |
| 11 | Surface Construction System of the Airfoil Blade Based on B-spline显示文摘According to the construction principle of B-spline, a formula of surface construction for airfoil blade with the given points has been derived. Meanwhile, the surface construction system for airfoil blade in practice as well as menus for the system have been constructed with the help of the commercial software AutoCAD R14). The result in this paper is helpful for CAD/CAM of airfoil blades. | XIONG Aiming LI Xiaoli XUE Shankun LI Miaoquan | 2000 | International Journal of Plant Engineering and Management2000，5，4： | 0 |
| 12 | The Relationship between Serum VEGF Expression and PET/CT Images in TNM-staging of Lung Carcinoma显示文摘OBJECTIVE To analyze the relationship between the characteristics of PET/CT images for lung carcinoma(LC)TNM staging and the expression of serum VEGF protein. METHODS PET/CT examinations were performed before treatment of 53 patients with LC.The expression of serum VEGF protein was examined using a quantitative sandwich enzyme-linked immunosorbent assay(ELISA R and D system).The relationship was analyzed between PET/CT images for LC T-staging and metastasis(lymph nodes and distance)and serum VEGF expression. RESULTS Based on PET/CT images for LC T-staging,11 cases were staged as T1,9 as T2,18 as T3 and 15 as T4.Mediastinal nodal metastases were found in 22 patients,and distance metastasis in 9.The serum VEGF level in the LC patients was(378.02±180.79)ng/L,showing that there was a significant difference between the patients and healthy subjects(P<0.05). There was no significant difference in the level of serum VEGF between different low T-staged(T1,T2)patients.However,the level of serum VEGF was significantly different between the low T-staged(T1,T2)and high T-staged (T3,T4)patients(P<0.05).The level of the serum VEGF protein in the patients with mediastinal nodal metastasis was(561.50±104.55)ng/L,and indicating that there was a statistical significance(t=12.21,P<0.05)compared to those in the non-metastatic group.The level of serum VEGF in the patients with distance metastasis was(614.11±158.81)ng/L,demonstrating that there was a significant difference(t=5.30,P<0.05)compared to those in the nondistant metastatic group. CONCLUSION ① There is a high level of serum VEGF expression in LC patients.②There is a correlation between metastases(lymph nodes and distance)and the level of serum VEGF. ③ With an upgrade of the TNM-stage,the level of serum VEGF protein is elevated. | Zhengping Xiong Yangde Zhang Zhaoyu Liang Aiming Xie Qing He Shuren Yang | 2007 | Chinese Journal of Clinical Oncology2007，4，5： | 0 |
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