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| 1 | THE COUPLED FEM ANALYSIS OF THE TRANSIENT TEMPERATURE FIELD DURING INERTIA FRICTION WELDING OF GH4169 ALLOY显示文摘The inertia friction welding process is a non-linear process because of the interaction between the temperature field and the material properties as well as the friction force. A thermo-mechanical coupled finite element model is established to simulate the temperature field of this process. The transient temperature distribution during the inertia friction welding process of two similar workpieces of GH4169 alloy is calculated. The region of the circular cross-section of the workpiece is divided into a number of four-nodded isoparametric elements. In this model, the temperature dependent thermal properties, time dependent heat inputs, contact condition of welding interface, and deformation of the flash were considered. At the same time, the convection and radiation heat losses at the surface of the workpieces were also considered. A temperature data acquisition system was developed. The temperature at some position near the welding interface was measured using this system. The calculated temperature agrees well with the experimental data. The deformation of the flash and the factor affecting the temperature distribution at the welding interface are also discussed. | L.W. Zhang J.B. Pei Q.Z. Zhang C.D. Liu W.H. Zhu S. Qu J.H. Wang | 2007 | Acta Metallurgica Sinica(English Letters)2007,20,4: | 8 |
| 2 | THE APPLICATION OF ARTIFICIAL NEURAL NETWORKS TO INVESTIGATION ON THE THICKNESS OF INTERMETALLIC LAYER UNDER SOLID-LIQUID PRESSURE BONDING OF STEEL AND ALUMINIUM显示文摘Artificial neural networks (ANN), being a sophisticated type of information processing system by imitating the neural system of human brain, can be used to investigate the effects of concentration of flux solution, temperature of liquid aluminium, temperture of tools and pressure on thickness of the intermetallic layer at the interface between steel and aluminium under solid-liquid pressure bonding of steel and aluminium perfectly. The optimum thickness has been determined according to the value of the optimum shearing strength. | P. Zhang J.Z. Cui Y.H. Du and Q.Z. Zhang(Department of Metal Forming, Northeastern University, Shenyang 110006, China)(Department of Mining, Northeastern University, Shenyang 110006, China) | 1997 | Acta Metallurgica Sinica(English Letters)1997,10,6: | 8 |
| 3 | Constitutive equation and model validation for a 31 vol.% B_4Cp/6061Al composite during hot compression显示文摘An accurate constitutive equation is essential to understanding the flow behavior of B_4C/Al composites during the hot deformation. However, the constitutive equations developed previously in literature are generally for low strain rate deformation. In the present work, we modified the general constitutive equation and take the high strain rate correction into account. The constitutive equation for a31 vol.% B_4Cp/6061 Al composite was constructed based on the flow stresses measured during isothermal hot compression at temperatures ranging from 375 to 525?C and strain rates from 0.01 to 10 s-1. The experimental flow stresses were corrected by considering temperature-dependent Arrhenius factor. The modified equation was then verified by using DEFORM-3 D finite element analysis to simulate the experimental hot compression process. The results show that the modified equation successfully predicts flow stress, load–displacement, and the temperature rise. This helps to optimize the hot deformation process,and to obtain desirable properties, such as reduced porosity and homogenous particle distribution in B_4C/Al composites. | L. Zhou C. Cui Q.Z. Wang C. Li B.L. Xiao Z.Y. Ma | 2018 | Journal of Materials Science & Technology2018,34,10: | 8 |
| 4 | Measurement of mode I and mode II rock dynamic fracture toughness with cracked straight through flattened Brazilian disc impacted by split Hopkinson pressure bar显示文摘 | Q.Z. Wang F. Feng M. Ni X.P. Gou | 2011 | Engineering Fracture Mechanics2011,,12: | 2 |
| 5 | Dynamic split tensile test of Flattened Brazilian Disc of rock with SHPB setup显示文摘 | Q.Z. Wang W. Li H.P. Xie | 2008 | Mechanics of Materials2008,,3: | 2 |
| 6 | Sources and distribution of carbon within the Yangtze River system显示文摘 | Y. Wu J. Zhang S.M. Liu Z.F. Zhang Q.Z. Yao G.H. Hong L. Cooper | 2006 | Estuarine Coastal and Shelf Science2006,,1: | 2 |
| 7 | Friction stir welding of SiCp/2009Al composite plate显示文摘 | D. Wang B.L. Xiao Q.Z. Wang Z.Y. Ma | 2012 | Materials and Design2012,,: | 1 |
| 8 | Folate intake and pancreatic cancer risk: an overall and dose–response meta-analysis显示文摘 | H.L. Lin Q.Z. An Q.Z. Wang C.X. Liu | 2013 | Public Health2013,,7: | 1 |
| 9 | Effect of solution temperature on aging behavior and properties of SiC p /Al–Cu–Mg composites显示文摘 | P. Jin B.L. Xiao Q.Z. Wang Z.Y. Ma Y. Liu S. Li | 2010 | Materials Science & Engineering A2010,,3: | 1 |
| 10 | Effect of friction time on flash shape and axial shortening of linear friction welded 45 steel显示文摘 | W.-Y. Li T.J. Ma S.Q. Yang Q.Z. Xu Y. Zhang J.L. Li H.L. Liao | 2007 | Materials Letters2007,,2: | 1 |
| 11 | In situ Al 3 Ti and Al 2 O 3 nanoparticles reinforced Al composites produced by friction stir processing in an Al-TiO 2 system显示文摘 | Q. Zhang B.L. Xiao Q.Z. Wang Z.Y. Ma | 2011 | Materials Letters2011,,13: | 1 |
| 12 | Micromechanical analysis of coupling between anisotropic damage and friction in quasi brittle materials: Role of the homogenization scheme显示文摘 | Q.Z. Zhu D. Kondo J.F. Shao | 2008 | International Journal of Solids and Structures2008,,5: | 1 |
| 13 | Induction of tumor cell apoptosis by taurine Schiff base copper complex is associated with the inhibition of proteasomal activity显示文摘 | Zhang X Bi C.F Fan.Y.H Cui Q.Z. Chen D. Xiao Y. Dou Q.P | | 0,,: | 1 |
| 14 | In situ Al 3 Ti and Al 2 O 3 nanoparticles reinforced Al composites produced by friction stir processing in an Al-TiO 2 system显示文摘 | Q. Zhang B.L. Xiao Q.Z. Wang Z.Y. Ma | 2011 | Materials Letters2011,,13: | 1 |
| 15 | Modeling of creep in rock materials in terms of material degradation显示文摘 | J.F. Shao Q.Z. Zhu K. Su | 2003 | Computers and Geotechnics2003,,7: | 1 |
| 16 | The grain boundary microstructures of the base and modified RR 2072 bicrystal superalloys and their effects on the creep properties显示文摘 | Q.Z. Chen C.N. Jones D.M. Knowles | 2004 | Materials Science & Engineering A2004,,1: | 1 |
| 17 | Biodegradable and bioactive porous polymer/inorganic composite scaffolds for bone tissue engineering显示文摘 | K. Rezwan Q.Z. Chen J.J. Blaker Aldo Roberto Boccaccini | 2006 | Biomaterials2006,,18: | 1 |
| 18 | Effect of Al-doping on the electrochemical properties of a three-dimensionally porous lithium manganese oxide for lithium-ion batteries显示文摘 | J.L. Wang Z.H. Li J. Yang J.J. Tang J.J. Yu W.B. Nie G.T. Lei Q.Z. Xiao | 2012 | Electrochimica Acta2012,,: | 1 |
| 19 | The grain boundary microstructures of the base and modified RR 2072 bicrystal superalloys and their effects on the creep properties显示文摘 | Q.Z. Chen C.N. Jones D.M. Knowles | 2004 | Materials Science & Engineering A2004,,1: | 1 |
| 20 | Biodegradable and bioactive porous polymer/inorganic composite scaffolds for bone tissue engineering显示文摘 | K. Rezwan Q.Z. Chen J.J. Blaker Aldo Roberto Boccaccini | 2006 | Biomaterials2006,,18: | 1 |