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SiO_2 AS HETEROGENEOUS NUCLEI OF INTERGROWTH EUTECTIC IN MODIFIED AS-CAST MEDIUM MANGANESE STEEL

JIANG Qichuan , YAN Jiulin , GUAN Qingfeng , WANG Shoushi , RONG Fujie , LI Zhang Jilin University of Technology , Changchun , China 130025 , China associate professor , Jilin University of Technology , Changchun

金属学报(英文版)

By calculation of thermodynamics,analysis of crystal structure and study of TEM and eletron probe,it is first discovered that SiO2 can be acted as one of the heterogeneous nu- clei for lamellar intergorowth eutectic(austenite and cementite)crystallizing in modified as-cast medium manganese steel....

关键词: SiO_2 , null , null , null

SYNERGISTIC EXTRACTION OF Cd(Ⅱ)WITH PRIMARY AMINE N-1923 AND NEUTRAL ORGANOPHOSPHORUS REAGENTS

MA Genxiang LI Deqian Changchun Institute of Applied Chemistry , Academia Sinica , Changchun , China Changchun Institute of Applied Chemistry , Academia Sinica , Changchun , Jilin , China

金属学报(英文版)

The synergistic extraction of Cd(Ⅱ)with primary amine N-1923 and neutral organophosphorus reagents(TBP,DBBP,B)from hydrochloric acid has been investigated at μ=0.5,t=25℃.The compositions of the synergistic extraction complexes and the mechanism of the synergistic extraction have been determined by t...

关键词: primary amine , null , null , null

Microstructure of Laser Processed T10 Carbon Tool Steel

Xianzhang BU Fine Mech.Mater.and Technol.Dept. , Changchun Institute of Optics and Fine Mechanics , Changchun , 130022 , ChinaHongying WANG Zhang LI Jiandong HU Microanalysis Center , Jilin University of Technology , Changchun , 130025 , China

材料科学技术（英文）

The microstructure of the laser melted 1.0%C tool steel have been investigated.The region affected by the laser can be subdivided into 3 zones,which consist of a melted region at the surface,a zone with solid state transformation and the area adjacent to the unaffected substrate where cementite is s...

关键词: laser process , null , null

TEMPERING RESPONSE OF A DEFORMED LOW CARBON DUAL PHASE STRUCTURE

JIN Man , JIANG Zhonghao , NAN Shenghui , HU Jiandong , LIAN jianshe(Jilin University of Technology , Changchun , China)(Manuscript received 8 February 1995)Correspondent:LI Geping , (Institute of Metal Research , Chinese Academy of Sciences , Shenyang 110015 , China)

金属学报(英文版)

The low carbon dual phase structure was cold de formed first,then was tempered at 200 to 600℃.The variation in strength and ductility during tempering of the steel was investigated.It was found that a fter the de formed dual phase structure was tempered at 200 to 600℃, with the increase in the tempe...

关键词: :de formed dual phase structure , null , null

INTERFACIAL PHENOMENA BETWEEN Al-SALT-ELECTRODE

LI Jing HUANG Kexiong WANG Zaoji LIU Jun Central South University of Technology , Changsha , ChinaGUO Chuntai Changchun Institute of Applied Chemistry , Academia Sinica , Changchun , China LI Jing Professor , Faculty of Metallurgical Physical Chemistry , Central South University of Technology , Changsha 410012 , China

金属学报(英文版)

Interfacial tension between liquid Al and molten fluoride salt was determined using sessile drop method combined with X-ray radiograph.A computer program of curve-fitting for coordination of configuration of sessile drop was used in the picture processing of the sessile drop.Regressive equation were...

关键词: interfacial tension , null , null , null

Dislocation Behaviour near the Crack Tip in Bulk Fe-3% Si Single Crystal

XU Yongbo HA Kuanfu WANG Zhongguang YANG Chunsong DAI Zhongling Laboratory for Fatigue and Fracture of Materials , Institute of Metal Research , Academia Sinica , Shenyang , 110015 , China.Jilin University , Changchun , 130023 , China.To whom correspondence should be add

材料科学技术（英文）

An investigation has been made of the disloca- tion distribution and dislocation free zone near the crack tip in bulk Fe-3% Si single crystal during deformation in SEM.It has been found that a number of dislocations were emitted from the crack tip during deformation.After that,the dislocations moved...

关键词: dislocation , null , null , null

PREFERRED ORIENTATION OF DEPOSITED TiC COATING ON STEEL BY CVD

GUO Chengyan Jilin Institute of Technology , Changchun , ChinaGOTO Takashi HIRAI Toshio Tohoku University , Japan Associate Professor , Department of Materials Engineering , Jilin Institute of Technology , Changchun 130012 , China

金属学报(英文版)

Investigation was made of the deposited rate,surface morphology and crystal pre- ferred orientation of the dense TiC coating onto austenitic stainless steel in relation with CH_4/TiCl_4 mole ratio and temperature adopted in CVD processing. When the CH_4/TiCl_4 ratio is low or high,the preferred orie...

关键词: preferred orientation , null , null

X-RAY ANALYSIS OF WORK-HARDENING PROCESS FOR POLYCRYSTALLINE α-BRASS DURING UNIAXIAL TENSILE TESTS

TENG Feng'en WANG Yuming Institute of Materials Science , Jilin University , Changchun , China Associate Professor , Institute of Materials Science , Jilin University , Changchun 130021 , China

金属学报(英文版)

X-ray diffraction Fourier profile analysis has been performed for polycrystalline α-brass plate with 31.55 wt-% Zn after a series of uniaxial tensile tests with different strain rates. Dislocation density p and configuration parameter M may be presented as a function of ap- plied stress σ_a.A mechan...

关键词: α-brass , null , null

Laser/Electron Beam Processing of As-cast Nd_2Fe_(14)B Alloy

HU Jiandong , ZHANG Xujun , SHI Zhusheng Microanalysis Center , Jilin University of Technology , Changchun , 130025 , China.Department of Metallurgy and Materials , University of Birmingham U.K.

材料科学技术（英文）

It was found that the free Fe in the melted zone of the as—cast Nd_2Fe_(14)B alloy could be dissolved by Iaser/electron beam.The growth direction of Nd_2Fe_(14)B grains is nearly perpendicular to the sur- face of the samples.EDX examination showed that Fe element was homogeneously distributed in the...

关键词: Nd-Fe-B alloy , null

NODULARIZATION OF CARBIDE IN AS-CAST WEAR-RESISTANT MANGANESE STEEL

JIANG Qichuan HE Zhenming YAN Jiulin CUI Donghuan WANG Shoushi Jilin University of Technology , Changchun , China JIANG Qichuan Associate Professor , Faculty of Casting Technology , Jilin University of Technology , Changchun 130025 , China

金属学报(英文版)

The needle-like and network carbides in as-cast high carbon wear-resistant manganese steels will be nodularized and dispersed,by a large majority,in austenite aider modifying treatment with Mg system agents.The impact toughness of the steels is significantly improved and the hardness is also increas...

关键词: Mg modification , null , null

材料期刊网

SiO_2 AS HETEROGENEOUS NUCLEI OF INTERGROWTH EUTECTIC IN MODIFIED AS-CAST MEDIUM MANGANESE STEEL

SYNERGISTIC EXTRACTION OF Cd(Ⅱ)WITH PRIMARY AMINE N-1923 AND NEUTRAL ORGANOPHOSPHORUS REAGENTS

Microstructure of Laser Processed T10 Carbon Tool Steel

TEMPERING RESPONSE OF A DEFORMED LOW CARBON DUAL PHASE STRUCTURE

INTERFACIAL PHENOMENA BETWEEN Al-SALT-ELECTRODE

Dislocation Behaviour near the Crack Tip in Bulk Fe-3% Si Single Crystal

PREFERRED ORIENTATION OF DEPOSITED TiC COATING ON STEEL BY CVD

X-RAY ANALYSIS OF WORK-HARDENING PROCESS FOR POLYCRYSTALLINE α-BRASS DURING UNIAXIAL TENSILE TESTS

Laser/Electron Beam Processing of As-cast Nd_2Fe_(14)B Alloy

NODULARIZATION OF CARBIDE IN AS-CAST WEAR-RESISTANT MANGANESE STEEL

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