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| 1 | INFLUENCE OF COLD ROLLING REDUCTION ON MICROSTRUCTURE AND MECHANICAL PROPERTIES OF TWIP STEEL显示文摘The influence of cold rolling reduction on microstructure and mechanical properties of the TWIP (ttwinning induced plasticity) steel was investigated. The results indicated that the steel had better comprehensive mechanical properties when cold rolling reduction was about 65.0% and the annealing temperature was 1000℃. The tensile strength of the steel is about 640MPa and the yield strength is higher than 255MPa, while the elongation is above 82%. The microstructure is composed of austenitic matrix and annealing twins at room temperature, at the same time, a significant amount of annealing twins and stacking faults are observed by transmission electron microscopy (TEM). Mechanical twins play a dominant role during deformation, and result in excellent mechanical properties. | Z.L. Mi D. Tang Y.J. Dai H.Q. Wang S.S. Li | 2007 | Acta Metallurgica Sinica(English Letters)2007，20，6： | 5 |
| 2 | EFFECT OF Cu-Ni CONTENT ON THE CORROSION RESISTANCE OF(Cu-Ni)/(10NiO-90NiFe204)CERMET INERT ANODE FOR ALUMINUM ELECTROLYSIS显示文摘(Cu-Ni)/(10NiO-9ONiFe_2O_4)cermet inert anodes containing metal Cu-Ni 0,5,10, 15 and 20 wt pct were prepared and their corrosion resistance to Na_3AlF_6-Al_2O_3 melts was investigated.The results indicate that the content of metal Cu-Ni has little effect on the steady-state concentration of Ni in the electrolyte and the values could not be used to effectively differentiate their corrosion resistance.The steady-state concentration of Fe decreases from 304×10^(-6)to 168×10^(-6)and that of Cu increases from 21×10^(-6)to 71×10^(-6)with the content of metal Cu-Ni increasing from 0 to 20 wt pct.Post-examination shows that metallic phase Cu-Ni is corroded preferentially during electrolysis and many pores are left at the anode surface.Considering the corrosion resistance and electrical conductivity,the cermet containing metal Cu-Ni 5 wt pct should be selected and studied further. | Z.L. Tian Y.Q. Lai J. Li Y.X. Liu | 2008 | Acta Metallurgica Sinica(English Letters)2008，21，1： | 5 |
| 3 | AN IN SITU SURFACE COMPOSITE AND GRADIENT MATERIAL OF Al-Si ALLOY PRODUCED BY ELECTROMAGNETIC FORCE显示文摘Because of the different conductivities between the primary phase (low electric conduc tivity) and the metal melt, electromagnetic force scarcely acts on the primary phase. Thus, an electromagnetic repulsive force applied by the metal melt exerts on the pri mary phase when the movement of the melt in the direction of electromagnetic force is limited. As a result, the repulsive force exerts on the primary phase to push them to move in the direction opposite to that of the electromagnetic force when the metal melt with primary phase solidifies under an electromagnetic force field. Based on this, a new method for production of in situ surface composite and gradient material by electromagnetic force is proposed. An in situ primary Si reinforced surface composite of Al-15wt%Si alloy and gradient material of Al-l9wt%Si alloy were produced by this method. The microhardness of the primary Si is HV1320. The reinforced phase size is in the range from 40μm to 100μm. The wear resistance of Al-Si alloy gradient material can be more greatly increased than that of their matrix material. | Z.M. Xu, T.X. Li, Z.L. Zhu and Y.H. Zhou School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200030, China | 2001 | Acta Metallurgica Sinica(English Letters)2001，14，5： | 3 |
| 4 | MICROSTRUCTURAL STUDY OF Fe-Cr-Al/Al COMPOSITE COATINGS DURING OXIDATION AND SULFIDATION AT 900℃显示文摘The microstructure of a composite coating system,which was composed of an inner layer of Fe-Cr-Al and an outer layer of aluminum,was studied after it was respectively oxidized and sulfurdized at elevated temperatures. Apart from the Al2O3 scale formed on the surface,the microstructure of the composite coatings exposed at 900℃ in air for 4h was a three-layer structure. The first layer consisted of a solid solution of Cr and Fe in α aluminum and an intermetallic compound FeAl3,while the second layer was a single phase of the aluminide and the third layer still remained the same appearance as the original Fe-Cr-Al coating. The microstructural observation of the specimen tested at 850-900℃ at low oxygen pressure and high sulfur pressure for 576h revealed that the surface coatings of the specimen had transformed into a duplex structure containing an outer layer and a thicker aluminide layer beneath. X-ray diffraction results showed that the out layer was composed of Al2S3 and Al2O3 and that AlCrFe2 was the main phase composition of the aluminide layer,with a few of Al2S3 and Al2O3 accompanied. | Z.L. Zhang D.Y. Li X.Q. Dong | 2007 | Acta Metallurgica Sinica(English Letters)2007，20，2： | 2 |
| 5 | Formation of Spartina alterniflora salt marshes on the coast of Jiangsu Province, China显示文摘 | R.S. Zhang Y.M. Shen L.Y. Lu S.G. Yan Y.H. Wang J.L. Li Z.L. Zhang | 2004 | Ecological Engineering2004，，： | 1 |
| 6 | A New Synthesis Method of Single Crystalline CuO Nanoribbons显示文摘 One-dimensional (1D) nanoscale materials (nanotubles, nanorods, nanowires and nanobelts or nanoribbons and so on) are currently of a matter of much interest. Due to their unique properties in electronics, magnetics, optics, and mechanics, they can be used to design and fabricate nanosensors, switches, nanolasers, transistors and other nanodevices[1]. In order to obtain desired one-dimensional materials, many techniques and methods have been developed[2].…… | Chen Y.H. Zhang X.T. Guo X.Y. Li Y.C. Wu Z.S. Huang Y.B. Du Z.L. | 2004 | Science Foundation in China2004，12，2： | 1 |
| 7 | Involvement of pGluR1, EAAT2 and EAAT3 in offspring depression induced by prenatal stress显示文摘 | X.H. Zhang N. Jia X.Y. Zhao G.K. Tang L.X. Guan D. Wang H.L. Sun H. Li Z.L. Zhu | 2013 | Neuroscience2013，，： | 1 |
| 8 | Cutting Forces in the Milling of Inconel 718显示文摘 | Liu G. He Ning Man Z.L. Li Liang | 2004 | Key Engineering Materials . 2004 (259)2004，，259： | 1 |
| 9 | Research on Ion Nitriding Temperature Effect on Wear Resistance of Cr12MoV Steel显示文摘 | G.X. Pang Z.L. Li Z.Y. Chen | 2013 | Physics Procedia2013，，： | 1 |
| 10 | Transparent ceramics: Processing, materials and applications显示文摘 | S.F. Wang J. Zhang D.W. Luo F. Gu D.Y. Tang Z.L. Dong G.E.B. Tan W.X. Que T.S. Zhang S. Li L.B. Kong | 2012 | Progress in Solid State Chemistry2012，，： | 1 |
| 11 | 查看详情显示文摘 | Xin H Shi M Gao X.C Huang Y.Y. Gong Z.L. Nie D.B. Cao H. Bian Z.Q. Li F.Y. Huang C.H | | 0，，： | 1 |
| 12 | Analysis of oxide formation induced by UV laser coloration of stainless steel显示文摘 | Z.L. Li H.Y. Zheng K.M. Teh Y.C. Liu G.C. Lim H.L. Seng N.L. Yakovlev | 2009 | Applied Surface Science2009，，5： | 1 |
| 13 | Ultrasonic-based surface patterning and interfacial reaction of ZrO_(2)ceramics显示文摘We demonstrate a process to achieve selective surface metallization of ZrO_(2)ceramics using ultrasound technology in atmospheric environments at 350℃,which bestows good weldability of ZrO_(2)to achieve rapid and reliable connections with other metals as well as ceramic materials.The challenge is that brazing or diffusion welding processes to accomplish metallurgical connections for ZrO_(2) typically require holding at elevated temperatures for minutes to hours,while the selective ultrasonic metallization process requires only a few seconds of processing without the application of covering films or solder resists.In this study,the selected Sn-2Ti alloy could effectively wet and spread on ZrO_(2)substrate under ultrasonication,and continuous interphase layers were rapidly formed in situ between ZrO_(2)and Sn-2Ti.The bonding strength for the ZrO_(2)/Sn-2Ti interface was well established with the highest shear strength of 37.1 MPa,and the fracture location occurred at the filler metal.The interfacial reaction layer thickened remarkably with the prolongation of sonication,accompanied by the partial crystallization of amorphous TiO and the formation of irregularly striped Ti_(11.31)Sn_(3)O_(10)nanocrystals. | H.J. Dong Z.L. Li X.G.Song J.C. Feng S.J. Wei J.H. Fu Y. Shi | 2023 | Journal of Materials Science & Technology2023，，24： | 0 |
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