Results 31 to 40 of about 14,484 (149)

Effect of Two-Step High Temperature Treatment on Phase Transformation and Microstructure of V-Bearing Bainitic Steel

Metals, 2022
The effects of VC precipitation on phase transformation, microstructure, and mechanical properties were studied by controlling two-step isothermal treatment, i.e., austenization followed by intercritical transformation.
Bo Lv, Dongxin Yin, Dongyun Sun, Zhinan Yang, Xiaoyan Long, Zeliang Liu   +5 more
doaj   +1 more source

Mechanism of Isothermal Martensitic Transformation

Materials Transactions, JIM, 1992
The mechanism of isothermal martensitic transformation has been studied, using the most typical alloy, Fe-Ni-Mn, of this type of martensitic transformation. The martensitic nucleation rate was investigated by measuring effect of applied stress on the transformation rate.
openaire   +2 more sources

Diffusion transformation model in TA15 titanium alloy: The case of nonlinear cooling

Materials & Design, 2020
The cooling processes of hot working for TA15 titanium alloy are highly nonlinear, during which non-isothermal and non-isokinetic phase transformations often occur leading to the changes in the microstructures and mechanical properties.
Huili Wu, Zhichao Sun, Jing Cao, Zhikun Yin   +3 more
doaj   +1 more source

Formation of bainite below martensite start temperature in quenching low carbon steel

St. Petersburg Polytechnical University Journal: Physics and Mathematics
According to the phase transformation kinetics that we recorded by dilatometry in rapid cooling of low carbon steel, some amount of isothermal bainite appeared in the middle of martensitic temperature range.
Zolotorevsky Nikolay, Belikova Yulia, Petrov Sergey, Zisman Alexander   +3 more
doaj   +1 more source

Combined Effects of Deformation and Undercooling on Isothermal Bainitic Transformation in an Fe-C-Mn-Si Alloy

Metals, 2019
Both ausforming and transformation temperature affect the successive bainitic transformation and microstructure. The individual influence of each case is clear, whereas the combined effects are still unknown. Thermomechanical simulation and metallography
Hang Zou, Haijiang Hu, Guang Xu, Ziliu Xiong, Fangqin Dai   +4 more
doaj   +1 more source

Effects of Heating Methods on Precipitation Behavior and Nucleation Activation Energy of γ′ Phase in Iron–Nickel-Based Alloy

Metals
Electromagnetic induction heating, which converts electromagnetic energy into thermal energy via electron-lattice collisions, and heat conduction heating, which transfers thermal energy through lattice vibrations, both have significant impacts on the ...
Zhengang Yang, Kejian Li, Jianhua Li, Jun Cheng, Chengkai Qian, Junjian Cai, Xin Huo, Xia Liu, Shengzhi Li, Qu Liu, Zhipeng Cai   +10 more
doaj   +1 more source

JMAK model applied on the κ-carbide precipitation in FeMnAlC steels

Journal of Materials Research and Technology, 2021
Different lightweight steels alloys have been treated by different isothermal treatments in order to understand the basics of precipitation kinetics of κ-carbide for such class of new steel grades featured by high concentration of Mn and Al.
Carlo Mapelli, Giacomo Villa, Silvia Barella, Andrea Gruttadauria, Davide Mombelli, Xavier Veys, Lode Duprez   +6 more
doaj   +1 more source

Influence of the Isothermal Transformation Temperature on the Structure and Properties of Low-Carbon Steel

Nauka ta progres transportu
Purpose. The study is aimed at evaluating the effect of the isothermal transformation temperature on the structure and properties of low-carbon steel. Methodology.
I. A. Vakulenko, S. O. Plitchenko, K. Asgarov, B. V. Lytvynov, A. Orak, H. Umur   +5 more
doaj   +1 more source

Effect of ausforming on microstructure and hardness characteristics of bainitic steel

Journal of Materials Research and Technology, 2020
Effects of process parameters of the ausforming such as temperature, strain and strain rate on the martensitic start temperature, kinetics of isothermal bainitic transformation and microstructure refinement of a low carbon carbide-free bainitic steel ...
Theerawat Kumnorkaew, Junhe Lian, Vitoon Uthaisangsuk, Wolfgang Bleck   +3 more
doaj   +1 more source

On the correlation among isothermal transformation, interphase precipitation behaviour and elements partitioning in Ti–Mo microalloyed steel

Journal of Materials Research and Technology
The correlation among isothermal transformation, interphase precipitation behaviour, and elements partitioning during isothermal heat treatment in a Ti–Mo microalloyed steel were investigated.
Ping He, Haijiang Hu, Wei Wang, Lifan Wang, Guang Xu   +4 more
doaj   +1 more source