Results 21 to 30 of about 18,897 (273)

Dispersion strengthening in vanadium microalloyed steels processed by simulated thin slab casting and direct charging: Part I - Processing parameters, mechanical properties and microstructure [PDF]

, 2007
A study simulating thin slab continuous casting followed by direct charging into an equalisation furnace has been undertaken based on six low carbon (0.06wt-%) vanadium microalloyed steels.
Baker, T.N., Craven, A.J., Crowther, D., Li, Y., Mitchell, P.S., Wilson, J.A.   +5 more
core   +1 more source

Mathematical Models of Austenite Grain Growth of 8Cr4Mo4Ni4V Aviation Bearing Steel at High Temperature

Cailiao gongcheng, 2018
Taking 8Cr4Mo4Ni4V bearing steel as the experimental material, the effect of heating temperature and holding time on austenite grain size was studied by austenite isothermal experiment.
CAI Xin, SUN Ming-yue, WANG Wei, KANG Xiu-hong, LI Dian-zhong   +4 more
doaj   +1 more source

Hot ductility of TiNb IF steel slab after hot torsion testing [PDF]

, 2019
The aim of the work was to evaluate the hot ductility loss in TiNb stabilized IF steel directly from the continuously-cast slab using hot torsion testing (plastometry) in the temperature range 600-1250 degrees C according to the basic programme, and also
Bořuta, Aleš, Dobrovská, Jana, Fujda, Martin, Girman, Vladimír, Jonšta, Petr, Jonšta, Zdeněk, Konrádyová, Jana, Longauer, Svätoboj, Longauerová, Margita, Matvija, Miloš, Vojtko, Marek   +10 more
core   +1 more source

Research progress on austenite grain growth and second-phase particle control technology in automotive gear steel

工程科学学报, 2023
With the implementation of the global two-carbon policy, energy saving and CO2 emission reduction have become important developmental goals of the automobile manufacturing industry.
Zhipeng DAI, Jian YANG, Qingsong ZHANG, Yun BAI, Xiaolin WU   +4 more
doaj   +1 more source

Processes, microstructure and properties of vanadium microalloyed steels [PDF]

, 2009
Vanadium as an important alloying element in steels was initially associated with the properties achieved following tempering. Interest in the microstructure was stimulated by the advent of transmission electron microscopes with a resolution of ~1nm ...
Baker, T.N.
core   +1 more source

A prediction model for austenite grain size distribution of casting slab in thermal rebound process: Considering α-ferrite precipitation and re-austenization

Journal of Materials Research and Technology
The precipitation and re-austenitization behavior of α-ferrite during thermal rebound process of casting slab are crucial to the austenite grain size distribution. Accurately obtaining austenite grain size distribution plays an important guiding role for
Songyuan Ai, Yanming Zhang, Mujun Long, Haohao Zhang, Lihua Wan, Danbin Jia, Dengfu Chen   +6 more
doaj   +1 more source

Electrochemical hydrogen charging of duplex stainless steel [PDF]

, 2019
This study evaluates the electrochemical hydrogen charging behavior and interaction between hydrogen and the microstructure of a duplex stainless steel. A saturation level of approximately 650 wppm is reached after 10 d of charging. The data are compared
Claeys, Lisa, De Graeve, Iris, Depover, Tom, Verbeken, Kim   +3 more
core   +2 more sources

Effects of Alloying Element and Heat Treatment on Mechanical Properties of Alloy Steels

International Journal of Engineering Materials and Manufacture, 2023
The effects of Cr and Ni on three different types of steel with different carbon ratios under constant conditions such as the welding current 120A, voltage 80V, Diameter 10 mm and angle 60 degree was observed.
Umma Abdullahi
doaj   +3 more sources

Residual stress, phase, microstructure and mechanical property studies of ultrafine bainitic steel through laser shock peening [PDF]

, 2019
The aimed study proposes laser shock peening without a coating of high strength ultrafine bainitic steel to mitigating the fatigue failures for automotive and structural engineering applications.
Prabhakaran , Subramanian, Shukla, Pratik, Sivapuram, Kalainathan, Vijay. K, Vasudevan,   +3 more
core   +1 more source

Effect of Preheat Treatment Process on Austenite Grain Growth Behavior in Gear Steel SCr420H for High Temperature Carburization

Teshugang, 2023
The effects of heating temperature and holding time on the austenite grain growth behavior of SCr420H gear steel samples with different AlN precipitation states were experimentally investigated.
Su Liang, Gong Shuo, Wang Fuming
doaj