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| 1 | GRAIN COARSENING BEHAVIOR OF V-Ti-N MICROALLOYED STEELS显示文摘The effects of chemical composition and cooling rate after solidication on the grain coarseningtemperature,TGC,of the V-Ti-N microalloyed steels have been investigated.It is shownthat the TGC may be obviously raised by adding even a little Ti to the base steel so as to pre-cipitate a great deal of fine Ti-bearing particles of about 10 nm.The TGC does not increasewith the cooling rate,as it is over a certain critical value.The TGC is insensitive to any varia-tion of N content at simulated cooling condition of 150 mm continuous cast slab.TheTGC may be dropped down about 100℃ by adding 0.33 wt-%Mo to the steels.The sensitivi-ty of TGC to cooling condition relates to the Ti and V contents. | TANG Guoyi ZHENG Yangzeng Yanshan University,Qinhuangdao,ChinaCAI Qigong,ZHU Jing Central Iron and Steel Research Institute,Ministry of Metallurgical Industry,Beijing,China TANG Guoyi,Dept.of Graduates,Central Iron and Steel Research Institute,Ministry of Metallurgical Industry,Beijing 100081,China | 1990 | Acta Metallurgica Sinica(English Letters)1990，3，3： | 3 |
| 2 | Mechanical properties of 32Mn-7Cr-0.6Mo-0.3N austenitic steel for cryogenic applications显示文摘 | Fu Ruidong Zheng Yangzeng Ren Yibin | 2001 | Journal of Materials Engineering and Performance2001，，4： | 1 |
| 3 | Effect of AB2 alloy addition on the phase structures and electrochemical characteristics of LaNi5 hydride electrode 显示文摘 | Han Shumin Zhao Minshou Zhang Zhong Zheng Yangzeng Jing Tanfu | 2005 | Journal of Alloys and Compounds2005，392，12： | 1 |
| 4 | A coupled thermal–mechanical and microstructural simulation of the cross wedge rolling process and experimental verification显示文摘 | Minting Wang Xuetong Li Fengshan Du Yangzeng Zheng | 2004 | Materials Science & Engineering A2004，，1： | 1 |
| 5 | Effect of warm cross-wedge rolling on microstructure and mechanical property of high carbon steel rods显示文摘 | Yi Xiong Shuhua Sun Yong Li Jun Zhao Zhiqing Lv Deli Zhao Yangzeng Zheng Wantang Fu | 2006 | Materials Science & Engineering A2006，，1： | 1 |
| 6 | Resistance of a high nitrogen austenitic steel to cavitation erosion显示文摘 | Fu Wantang Zheng Yangzeng He Xiaokui | 2001 | Wear2001，249，： | 1 |
| 7 | A coupled thermal–mechanical and microstructural simulation of the cross wedge rolling process and experimental verification显示文摘 | Minting Wang Xuetong Li Fengshan Du Yangzeng Zheng | 2004 | Materials Science & Engineering A2004，，1： | 1 |
| 8 | Characterization of Tensile Strain Hardening Behaviors for 32Mn-7Cr-1Mo-0.3N Cryogenic Austenitic Steel显示文摘紧张 32Mn-7Cr-lMo-0.3N 的变硬的行为奥氏体的钢被一个简单、有效的方法描绘。结果证明那种 Hollomon 关系不在全部的一致变丑舞台期间是适用的。流动方程被建议,在 sigma=aexp (Inepsilon/b )+c。有在 77 K 的真紧张的紧张变硬代表的变化率比在另外的温度和 d^2 sigma/d 的价值, epsilon^2 在高紧张舞台期间变得积极显然高。这个变化的人物是为在 77 K 增加延伸的主要原因。象电子马氏体一样形成机械双胞胎在 77 K 导致高延伸。 | Liang QIU Ruidong FU Cunyu WANG Yangzeng ZHENG | 2006 | Journal of Materials Science & Technology2006，22，5： | 0 |
| 9 | BEHAVIOR OF FINE V-Ti COMPLEX CARBONITRIDE IN STEEL 09MnVTiN DURING REHEATING显示文摘An investigation was carried out of the morphology and microstructure of V-Ti complexcarbonitride in steel 09MnVTiN during reheating under analytical electron microscope.Theprior V-rich ellipsoid V-Ti complex carbonitride particles are replaced progressively byTi-rich cubic ones as the reheating temperature elevated from 1050 to 1400℃.The Ti con-tents in the core and border of particles increase from 15 and 6% in hot-rolled specimens into84 and94% at 1400℃ respectively. | TANG Guoyi ZHENG Yangzeng Yanshan University,Qinhuangdao,China ZHU Jing CAI Qigong Central Iron and Steel Research Institute,Ministry of Metallurgical Industry,Beijing,China | 1992 | Acta Metallurgica Sinica(English Letters)1992，5，2： | 0 |
| 10 | Determination of Soil Base-Suluble Se by Anodic Stripping Voltammetry with Aurum Thin-Film Electrode显示文摘DeterminationofSoilBase-SulubleSebyAnodicStrippingVoltammetrywithAurumThin-FilmElectrodeYANGZENG;HEYING;LIUCHUN-LINandZHANGLI... | YANGZENG HEYING 等 | 1994 | Pedosphere1994，4，2： | 0 |
| 11 | MISCIBLE PRECIPITATES IN V-Ti-N MICROALLOYED STEELS显示文摘The characteristics and the formation of the miscible particles in V-Ti-N microalloyed steelswere studied.It was found that the vanadium to form V-Ti miscible particles starts to precipi-tate after pouring and cooling to temperature below 11 50℃ by means of the epitaxial precipi-tation on the pre-existing titanium nitrides.The vanadium content in the particles is markedlyinfluenced by the cooling rate after solidification. | TANG Guoyi ZHENG Yangzeng Yanshan University,Qinhuangdao,ChinaCAI Qigong ZHU Jing Central Iron and Steel Research Institute,Beijing,China ZHENG Yangzeng Professor,Department of Material Engineering,Yanshan University,Qinhuangdao,China | 1990 | Acta Metallurgica Sinica(English Letters)1990，3，1： | 0 |
| 12 | Ordering of the α-Fe(Si) Crystallization Phase in Annealed Fe_(73.5)Cu_1Mo_3Si_(13.5)B_9 Alloy显示文摘The ordering of the α-Fe(Si) crystallization phase in annealed Fe73.5Cu1Mo3Si13.5B9 alloy has been studied using XRD method. The α-Fe(Si) phase in Fe73.5Cu1Mo3Si13.5B9 alloy annealed at 460℃ for 1 h consists of the DO3-type ordered region with spherical shape and disordered region. The size of DO3 ordered region increases with the annealing temperature. When the annealing temperature is 560℃, the size of the ordered region in the α-Fe(Si) grain is 14.0nm,which is nearly as large as that of the α-Fe(Si) grain (14.2 nm) and the degree of order of the α-Fe(Si) phase is about 0.78. When Fe73.5Cu1 Mo3Si13.5B9 amorphous alloy is annealed at 520℃, with the increment of the annealing time, the shape of the DO3 ordered region in the α-Fe(Si) phase is spheroidal at the beginning of the annealing and becomes spherical and has asize of 12.8 nm when the annealing time is 60 min. In addition, the DO3 superlattice lines of the α-Fe(Si) phase will vanish if Fe73.5Cu1Mo3Si13.5 B9 amorphous alloy is annealed for 1 h at 750℃. | Jianhua LIU Xiangyi ZHANG and Yangzeng ZHENG (Dept. of Materials Engineering, Yanshan University, Qinhuangdao 066004, China)Jinhua ZHAO and Riping LIU (Institute of Physics, Chinese Academy of Sciences , Beijing 100080, China)(Present address: Institute | 1997 | Journal of Materials Science & Technology1997，13，1： | 0 |
| 13 | EFFECT OF HETEROGENEOUS DISTRIBUTION OF C AND ALLOYING ELEMENTS ONγ/α′TRANSFORMATION IN A Fe-Mn-Cr-C ALLOY显示文摘The heterogeneous distribution of C and metallic alloying elements as well as the phase com-position changes before and after cold deformation of an Fe-Mn-Cr-C alloy have been stu-died by the use of M(?)ssbauer spectroscopy.The austenites without and with C and metallicalloying elements are found in the alloy in as-solid solution state.While the martensites with-out and with C and alloying elements may be induced by cold deformation.The transforma-tion from austenite to martensite in the alloy is confirmed via theoretical computation and ex-periments to be controlled by the number of covalent electron pairs forming covalent bond inaustenitic crystal cell of the alloy.The formation of strong covalent bond between C and me-tallic elements can vigorously retard the γ/α’ transformation. | ZHENG Yangzeng ZHANG Fucheng | 1991 | Acta Metallurgica Sinica(English Letters)1991，4，6： | 0 |
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