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Influence of Rotational Speed on Microstructure and Mechanical Properties of Dissimilar Metal AISI 304-AISI 4140 Continuous Drive Friction Welds

G Subhash Chander , G Madhusudhan Reddy , A Venugopal Rao

Fundamental investigation of continuous drive friction welding of austenitic stainless steel (AISI 304) and low alloy steel (AISI 4140) is described. The emphasis is made on the influence of rotational speed on the microstructure and mechanical properties such as hardness, tensile strength, notch te...

关键词: friction welding , dissimilar metal joint , austenitic stainless steel , low alloy steel , microstructure , impact toughness , tensile strength

Corrosion Resistance of High Performance Weathering Steel for Bridge Building Applications

CHEN Ai-hua , XU Jian-qiu , LI Ran , LI Hua-long

钢铁研究学报(英文版)

The mechanical properties, corrosion resistance and microstructures of high performance steel (HPS) was investigated by tensile testing machine, Charpy V-Notch (CVN) testing machine, cyclic immersion corrosion tester, XRD, optical microscopy (OM), scanning electron microscopy (SEM), and electron pro...

关键词: HPS , corrosion resistance , microstructure , mechanical property

Influence of Heat Input in Pulsed Current GTAW Process on Microstructure and Corrosion Resistance of Duplex Stainless Steel Welds

M Yousefieh , M Shamanian , A Saatchi

钢铁研究学报(英文版)

The high corrosion resistance of duplex stainless steel (DSS) is due to elements such as Cr, Mo and N, but also depends on the microstructure. The best general properties are obtained with approximately equal amounts of austenite and ferrite and the absence of third phases such as σ (sigma) and Cr2N...

关键词: steel , microstructure , corrosion , heat input , pulse current GTAW

Comparing Properties of Adhesive Bonding, Resistance Spot Welding, and Adhesive Weld Bonding of Coated and Uncoated DP 600 Steel

Fatih Hayat

钢铁研究学报(英文版)

Zinc coated dual phase 600 steel (DP 600 grade) was investigated, utilisation of which has gradually increased with each passing day in the automotive industry. The adhesive bonding (AB), resistance spot welding (RSW), and adhesive weld bonding (AWB) joints of the zinc coated DP 600 steel were inves...

关键词: advanced high strength steel , DP600 , adhesive weld bonding , microstructure , deformation , fracture

Microstructure Evolution in 9Cr Martensitic Steel During Long-Term Creep at 650 ℃

HU Zheng-fei , WANG Qi-jiang , ZHANG Bin

钢铁研究学报(英文版)

Standardarized creep and rupture strength tests were conducted for commercial T91 martensitic heat-resistant steel at 650 ℃ and corresponding microstructure was characterized by BSED, TEM and EDS. The martensitic microstructure degenerated seriously during creep exposure, including martensitic subst...

关键词: T91 steel , creep strength , microstructure , carbide , coarsening , self-diffusion

Effect of Hot Pressing on Microstructure and Mechanical Properties of Bulk Nanocrystalline Fe3Al Materials Containing Manganese Element

LI Yu-feng , LA Pei-qing , WEI Yu-peng , LU Yang , YANG Yang

钢铁研究学报(英文版)

Bulk nanocrystalline Fe3Al materials containing manganese of 10% were prepared by aluminothermic reaction. Hot pressing of those materials was performed at different temperatures and times. The microstructures of the alloy were investigated by optical microscope (OM) and electron probe microanalyzer...

关键词: hot pressing , Fe3Al nanostructure material , microstructure , mechanical property

Relationship Among Microstructure and Properties and Heat Treatment Process of Ultra-High Strength X120 Pipeline Steel

ZHOU Min , DU Lin-xiu , LIU Xiang-hua

钢铁研究学报(英文版)

The variation of heat treatments including directed quenching and tempering off-line after controlled rolling (DQT) and quenching off-line and tempering off-line after controlled rolling (RQT) with microstructure and mechanical properties of a low-carbon microalloyed steel was compared and analyzed....

关键词: X120 pipeline steel , heat treatment , microstructure , mechanical property , fracture-separation

Three-Dimensional Microstructures and Tensile Properties of Pure Iron During Equal Channel Angular Pressing

YANG Gang , YANG Mu-xin , LIU Zheng-dong , WANG Chang

钢铁研究学报(英文版)

Commercial pure iron billets having diameter of 60 mm and length of 180 mm were subjected to equal channel angular pressing (ECAP) at 350 ℃ for 1 to 4 passes via route Bc. Microstructural evolutions on three planes (X, Y, Z planes) were characterized by optical microscopy and transmission electron m...

关键词: iron , ECAP , UFG , microstructure , mechanical property

Microstructure and Properties of Mo Microalloyed Cold Rolled DP1000 Steels

HAN Qihang , KANG Yonglin , ZHAO Xianmeng , L Chao , GAO Lufeng

钢铁研究学报(英文版)

Two kinds of ultrahigh strength cold rolled dual phase steels have been developed by designing CSiMnCr and CSiMnCrMo alloy systems. Tensile strength and elongation of both steels exceed 1100 MPa and 10%, respectively. The microstructures of both steels consist of massive martensite and ferri...

关键词: Mo , dual phase steel , microstructure , property , deformation mechanism

Microstructure and Mechanical Properties of High Manganese TRIP Steel

ZHAO Jin-long , XI Yan , SHI Wen , LI Lin

钢铁研究学报(英文版)

Abstract： Microstructure evolution and mechanical properties of newly designed 01C-6Mn-05Si-1Al TRIP-aided steels under different annealing conditions and the effects of matrix microstructure before intercritical annealing on the final microstructure were studied by means of X-ray diffraction (XRD...

关键词: Key words: high manganese TRIP steel , intercritical annealing , microstructure , mechanical properties

材料期刊网

Influence of Rotational Speed on Microstructure and Mechanical Properties of Dissimilar Metal AISI 304-AISI 4140 Continuous Drive Friction Welds

Corrosion Resistance of High Performance Weathering Steel for Bridge Building Applications

Influence of Heat Input in Pulsed Current GTAW Process on Microstructure and Corrosion Resistance of Duplex Stainless Steel Welds

Comparing Properties of Adhesive Bonding, Resistance Spot Welding, and Adhesive Weld Bonding of Coated and Uncoated DP 600 Steel

Microstructure Evolution in 9Cr Martensitic Steel During Long-Term Creep at 650 ℃

Effect of Hot Pressing on Microstructure and Mechanical Properties of Bulk Nanocrystalline Fe3Al Materials Containing Manganese Element

Relationship Among Microstructure and Properties and Heat Treatment Process of Ultra-High Strength X120 Pipeline Steel

Three-Dimensional Microstructures and Tensile Properties of Pure Iron During Equal Channel Angular Pressing

Microstructure and Properties of Mo Microalloyed Cold Rolled DP1000 Steels

Microstructure and Mechanical Properties of High Manganese TRIP Steel

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