材料期刊网

CALCULATION OF 3-D TRANSIENT TEMPERATURE FIELD DURING LASER TRANSFORMATION HARDENING PROCESS

L. W Zhang , R.S. Wang , J. Th.M.De Hosson , Y.L. Xia and F. G. Wang 1) The State Key Lab. for Materials Modification by Laser , Ion and Electron Beams , Dalian University of Technology , Dalian 116023 , China 2) Department of Applied Physics , University of Groningen , The Netherlands

金属学报(英文版)

A three-dimensional transient heat transfer model for laser transformation hardening process has been developed in this paper. The finite size of the laser treated sample, the surface heat loss of the sample, the latent heat of phase transformation and the temperature dependence of thermal properti...

关键词: temperature field , null , null

CORRELATION BETWEEN STRESS COMPONENTS AND STRESS CORROSION CRACKS IN BRASS Lecturer,Department of Materials Physics,University of Science and Technology Beijing,Beijing 100083,China

QIAO Lijie LIU Rui XIAO Jimei University of Science and Technology Beijing , Beijing , China

金属学报(英文版)

The effects of stress components on nucleation sites and propagation directions of stress cor- rosion cracks in brass were investigated with specimens under mode Ⅱ and mode Ⅲ loadings. The results indicated that under mode Ⅱ loading,stress corrosion cracks nucleated on the site with maximum normal s...

关键词: stress corrosion cracking , null , null , null

An Alternative Sol-Gel Method Applied to TiO2 Coating on Al Scale Fiber

Lei Miao , Sakae Tanemura , Thi Hue Nguyen , Li Luo , Masaki Tanemura , Shoichi Toh , Kenji Kaneko , Masahiro Kawasaki

材料科学技术（英文）

An alternative sol-gel method has been applied to fabricate anatase and rutile TiO2 coatings uniformly on Al scale fibers with very thin naturally oxidized layer from mixed precursors of Ti tetraisopropoxide, acetyl acetone, deionizer wat...

关键词: Sol-gel method , null , null , null , null

Effects of CeO2 applied to preformed oxide scales on subsequent oxidation of Fe-20Cr at 1000 degrees C

Corrosion Engineering Science and Technology

In order to explore the relationships between rare earth elements existing in oxides and growth rate and adhesion of oxide scales, CeO2 thin films were prepared on Fe-20Cr alloys after preoxidation at 1000 degrees C; subsequent isothermal and cyclic oxidation was carri...

关键词: rare earth elements;oxidation;oxide adhesion;CeO2;Fe-20Cr alloy;high-temperature oxidation;chromia-forming alloys;stainless-steel;segregation;cr2o3;cr

Change in Carbon Dioxide (CO2) Emissions From Energy Use in China′s Iron and Steel Industry

SUN Wenqiang , CAI Jiuju , MAO Hujun , GUAN Duojiao

钢铁研究学报(英文版)

As the largest energy consuming manufacturing sector and one of the most important sources of carbon dioxide (CO2) emissions, the China′s iron and steel industry has paid attention to the study of changing trend and influencing factors of...

关键词: CO2 emissions , energy use , LMDI technique , steel production , energy consumption

(alpha-PbO2-type nanophase of TiO2 from coesite-bearing eclogite in the Dabie Mountains, China

American Mineralogist

A natural high-pressure phase of titanium oxide with alpha-PbO2-structure has been found in omphacite from coesite-bearing eclogite at Shima in the Dabie Mountains, China. High-resolution transmission electron microscope observations have...

关键词: high-pressure phase;ries crater;rutile;polymorph;titanium

Development of Glass Ceramics Made From Ferrous Tailings and Slag in China

LIU Chengjun , SHI Peiyang , ZHANG Dayong , JIANG Maofa

钢铁研究学报(英文版)

A great amount of ferrous tailings and slag cause severe damage to the ecological environment, which must be reclaimed and utilized. The composition, type, and characteristics of ferrous tailings and slag in China were introduced. The research status and the applicatio...

关键词: glass ceramics;ferrous tailings;slag

STATISTICAL EVALUATION OF CRITICAL INCLUSION FACTOR FOR SECONDARY RECRYSTALLIZATON IN 3%Si STEEL Lecturer,Department of Materials Engineering,Southwestern Jiaotong University,Chengdu 610031,China

LI Shuchen Southwestern Jiaotong University , Chengdu , ChinaCHEN Mengzhe KE Jun University of Science and Technology Beijing , Beijing , China

金属学报(英文版)

On the basis of statistical data of MnS in the conventional 3% Si steel sheeets after various annealing processes,the critical inclusion factor has been evaluated to be 20 mm~(-1).The inhi- bition of MnS to grain growth has been exactly described....

关键词: 3%Si steel , null , null

Introduction to atmospheric corrosion research in China

Science and Technology of Advanced Materials

In this paper, we introduce the research on atmospheric corrosion in China. We describe the climate characteristics and the classification of atmospheric corrosivity across the whole country. We also describe the rusting evolution under simulated wet/dry cyclic conditi...

关键词: atmospheric corrosion;corrosivity;rusting evolution;weathering steels;rust;mechanism;so2;o-3;no2

Recent Advances of Laser Coating Technology in China

LIANG Yong LI Ruiguo Institute of Metal Research , Academia Sinica , Shenyang 110015 , ChinaInstitute of Corrosion and Protection of Metals , Aademia Sinica , Shenyang , 110015 , China

材料科学技术（英文）

Recent advances in laser coating technology including laser cladding,laser surface alloying and laser vapour deposition in China are reviewed in this paper....

关键词: laser , null , null , null , null