Results 21 to 30 of about 167 (140)

Effect of microstructure on the cleavage fracture stress of high-speed railway wheel steel

工程科学学报, 2016
The microstructures with different grain sizes and pearlite interlamellar spacings of high-speed railway wheel steel with a carbon mass fraction of 0.54% were achieved by heat treatment at different austenitizing temperatures and cooling rates. Notched 3-
GONG Shuai, REN Xue-chong, CHEN Gang, ZHAO Hai, JIANG Bo   +4 more
doaj   +1 more source

Numerical Simulation of Wire Rod Cooling in Eutectoid Steel under Forced-Convection

Metals, 2021
A coupled thermal-microstructural simulation model was developed to estimate the thermal history in a eutectoid steel wire rod under continuous cooling and forced-convection.
Monserrat Sofía López-Cornejo, Héctor Javier Vergara-Hernández, Sixtos Antonio Arreola-Villa, Octavio Vázquez-Gómez, Martín Herrejón-Escutia   +4 more
doaj   +1 more source

Effects of cooling rate and strain rate on phase transformation, microstructure and mechanical behaviour of thermomechanically processed pearlitic steel

Journal of Materials Research and Technology, 2019
In the present investigation, thermomechanical controlled processing of a high carbon steel and a Nb microalloyed high carbon steel have been conducted in a Gleeble 3800 simulator.
Indrajit Dey, Swarup Kumar Ghosh, Rajib Saha   +2 more
doaj   +1 more source

The Influence of Si on Microstructure and Mechanical Properties of Hot-Rolled Wire Rods for Cable Steel Wire Ropes [PDF]

Teshugang
The cross section and longitudinal section microstructure morphology of two different Si contents hot-rolled wire rods were observed using scanning electron microscopy and energy spectrum （EBSD） instruments.
Li Jianping, Tang Zhengyou, Zhang Hanwen, Deng Tongwu
doaj   +3 more sources

Automatic measurement of pearlitic interlamellar spacing with computer image processing.

ISIJ International, 1990
For metallurgical studies or routine control of eutectoid steels, it is necessary to perform automatic measurement of pearlitic interlamellar spacing. Various methods, using a combined system of a scanning electron microscope (SEM) and an image analyzer (IA) have been compared and the optimum procedure has been studied.
Petitgand, H., Benoit, D., Moukassi, M., Debyser, B.   +3 more
openaire   +2 more sources

Determination of pearlite morphology in high-carbon hot rolled steel

Archives of Metallurgy and Materials, 2017
The article presents the results of tests of influence of the thermo-mechanical treatment parameters on the mechanical properties and microstructure of steel C70D for wire rod.
Szala J., Kuc D.
doaj   +1 more source

Enhancing Ductility of 1045 Nanoeutectic Steel Prepared by Aluminothermic Reaction through Annealing at 873 K

Advances in Materials Science and Engineering, Volume 2017, Issue 1, 2017., 2017
The 1045 steel with lamellar spacing of pearlite in nanometer was prepared by aluminothermic reaction casting and annealed at 873 K (600°C) with different time. Microstructures of steels were investigated by X‐ray diffraction (XRD), scanning electron microscope (SEM), and transmission electron microscope (TEM).
Zhengning Li, Fuan Wei, Peiqing La, Hongding Wang, Yupeng Wei, Pavel Lejcek   +5 more
wiley   +1 more source

Influences of Pearlite Interlamellar Spacing on Wear and Rolling Contact Fatigue Behaviors of Pearlitic Rails on Field Tracks

Lubricants
As a core load-bearing component for railway vehicles, rails are largely responsible for the safety and stability of train operation, and their service performance is inherently governed by material microstructure.
Junjie Fei, Hongfang Qi, Bei Yuan, Minbiao Wan, Linlang Zhang   +4 more
doaj   +1 more source

Influence of Microstructure on Strength and Ductility in Fully Pearlitic Steels

Metals, 2016
This article deals with the relationship between the microstructure and both strength and ductility in eutectoid pearlitic steel. It is seen how standard mechanical properties and fracture micromechanisms are affected by heat treatment and the resulting ...
Jesús Toribio, Beatriz González, Juan-Carlos Matos, Francisco-Javier Ayaso   +3 more
doaj   +1 more source

Study on Stress Corrosion Cracking Mechanism of Steel Wires with Different Strength Levels

Metals
In civil engineering, stress corrosion cracking (SCC) is a common cause of premature failure in steel wires, and effective solutions are currently limited.
Guangze Zhao, Xu Ma, Ke Ma
doaj   +1 more source