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Effect of Cooling Method on Microstructure and Mechanical Properties of Hot-Rolled C-Si-Mn TRIP Steel

LIU Ji-yuan , ZHANG Zi-cheng , ZHU Fu-xian , LI Yan-mei , Manabe Ken-ichi

钢铁研究学报(英文版)

The controlled cooling technology following hot rolling process is a vital factor that affects the final microstructure and mechanical properties of the hot-rolled transformation induced plasticity (TRIP) steels. In the present study, low alloy C-Si-Mn TRIP steel was successfully fabricated by hot r...

关键词: hot-rolled TRIP steel , retained austenite , TRIP effect , Mssbauer spectra , mechanical property

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

Effect of Cold Deformation on Phase Evolution and Mechanical Properties in an Austenitic Stainless Steel for Structural and Safety Applications

S K Ghosh , P Mallick , P P Chattopadhyay

钢铁研究学报(英文版)

Abstract: The effects of cold deformation on the formation of strain induced α′ martensite and mechanical properties of an austenitic stainless steel have been examined. X-ray diffraction analysis has revealed that 30% and 40% cold rolling have resulted in the formation of 24% and 315% martensite r...

关键词: Key words: austenitic stainless steel , cold deformation , martensite , mechanical property

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

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

Mechanical Property and Microstructural Characterization of C-Mn-Al-Si Hot Dip Galvanizing TRIP Steel

JIANG Hai-tao , DING Wei , TANG Di , HUANG Wei

钢铁研究学报(英文版)

Mechanical properties and microstructure in high strength hot dip galvanizing TRIP steel were investigated by optical microscope (OM), transmission electron microscope (TEM), X-ray diffraction (XRD), dilatometry and mechanical testing. On the heat treatment process of different intercritical anneali...

关键词: TRIP steel , isothermal bainitic transformation , martensite , mechanical property

Effects of Warm Deformation on Mechanical Properties of TRIP Aided Fe-C-Mn-Si Multiphase Steel

TIAN Yong , LI Zhuang

钢铁研究学报(英文版)

Warm deformation tests were performed using a kind of tubby heater. The microstructures and mechanical properties of an Fe-C-Mn-Si multiphase steel resulting from different warm deformation temperatures were investigated by using LOM (light optical microscopy), SEM and XRD. The results indicated tha...

关键词: warm deformation , Fe-C-Mn-Si multiphase steel , TRIP effect , mechanical property

Aging Precipitation Behavior of 18Cr-16Mn-2Mo-1.1N High Nitrogen Austenitic Stainless Steel and Its Influences on Mechanical Properties

LI Hua-bing , JIANG Zhou-hua , FENG Hao , MA Qi-feng , ZHAN Dong-ping

钢铁研究学报(英文版)

The solution-treated (ST) condition and aging precipitation behavior of 18Cr-16Mn-2Mo-1.1N high nitrogen austenitic stainless steel (HNS) were investigated by optical microscope (OM), scanning electron microscope (SEM), and transmission electron microscope (TEM). The results show that the ST conditi...

关键词: solution-treated condition , aging precipitation behavior , time-temperature-precipitation curve , high nitrogen austenitic stainless steel , mechanical property

Effect of Cooling Patterns on Microstructure and Mechanical Properties of Hot-Rolled Nb Microalloyed Multiphase Steel Plates

ZHENG Dong-sheng , ZHU Fu-xian , LI Yan-mei , CHEN Bing-zhang

钢铁研究学报(英文版)

The effect of the run-out table cooling patterns on the microstructure and mechanical properties of Nb microalloyed steel plates was investigated by hot rolling experiment. The results showed that the mixed microstructure containing ferrite, bainite and significant amounts of retained austenite can ...

关键词: Nb microalloyed steel , hot-rolled multiphase steel , cooling pattern , microstructure , mechanical property

冶炼方法对0Cr12Mn5Ni4Mo3Al高强不锈钢棒材力学性能和组织的影响

孙永庆,梁剑雄,杨志勇,宋为顺,李文辉,陈志强

钢铁

研究了使用真空感应炉+电渣重熔工艺代替原有的电炉+炉外精炼(LF)+电渣重熔工艺对0Cr12Mn5Ni4Mo3Al高强度不锈钢不同规格棒材的力学性能和组织的影响。结果表明,使用新工艺得到的钢材更为洁净,组织中保留有适量的残余奥氏体;与旧工艺小规格棒材相比,新工艺得到的大规格棒材在保持或提高抗拉强度的...

关键词: 0Cr12Mn5Ni4Mo3Al , high strength stainless steel , aging temperature , mechanical property

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