Results 1 to 10 of about 4,435 (221)

The Role of Elements Partition and Austenite Grain Size in the Ferrite-Bainite Banding Formation during Hot Rolling. [PDF]

Materials (Basel), 2021
Zhao Y, Chen Y, Wei H, Sun J, Yu W.
europepmc   +1 more source

Austenite Grain Growth Analysis in a Welded Joint of High-Strength Martensitic Abrasion-Resistant Steel Hardox 450. [PDF]

Materials (Basel), 2021
Konat Ł, Zemlik M, Jasiński R, Grygier D.   +3 more
europepmc   +1 more source

Analysis on Cause of Mixed Grain Size of SCM435 Low Alloy Medium Carbon Cold Heading Steel Φ12 mm Wire Rod and Process Improvement

Teshugang, 2022
According to specification of SCM435 steel hot rolled wire rod, the austenite grain size is ≥7 grade and the reduction of area is N≥ 35%. The test results show that in the original process the mixed grain size structure of 中12 mm SCM435 steel wire is ...
董庆, 阮士朋, 李敏锐
doaj  

Theoretical Consideration on Formation and Control of Inclusions in Austenite during Thin Slab Concasting and Continuous Rolling

Teshugang, 2005
According to the solubility product theory of second phase in austenite, Ostward ripening theory, grain size control theory and precipitation strengthening theory, the probability for formation of inclusions in austenite and the inclusion size control ...
雍岐龙, 孙新军, 刘清友, 张晨, 李继康   +4 more
doaj  

Heat treatment technology for improving wear resistance of high‑precision die tools

Литьë и металлургия
A heat treatment process involving hardening with intermediate tempering has been developed to enhance the wear resistance of high‑precision die tools by 1.5–2 times compared to standard heat treatments.
D. M. Berdiev
doaj   +1 more source

Study of austenite grain growth and recrystallization behavior in pipeline steels containing niobium

Materials Research Express
The austenite grain growth and recrystallization behaviors of three pipeline steels with different Nb contents were investigated through reheating and thermal simulation compression experiments.
Fengliang Tan, Jinbiao Cui, Ning Liu, Li Wang, Jiansheng Chen, Shiwei Tian, Yantao Li   +6 more
doaj   +1 more source

Effect of Pre - Heat- Treatment on Austenite Grain Size of Steel 508-3

Teshugang, 2013
Test steel 508-3 (/% : 0. 19C, 0. 26Si, 1.48Mn, 0. 009P, 0. 007S, 0. 78Ni, 0. 50Mo, 0.003Al) is melted by a vacuum induction furnace and cast to 50 kg ingot, forged at 1 150 to Φ16 mm bar, end forging ≥900℃.The effect of normalizing temperature (900 ~ 1 ...
何西扣, 刘正东, 林肇杰
doaj  

Novel Etching Technique for Delineation of Prior-Austenite Grain Boundaries in Low, Medium and High Carbon Steels. [PDF]

Materials (Basel), 2020
Thackray R, Palmiere EJ, Khalid O.
europepmc   +1 more source

Effect of Warm-Forging and Isothermal Normalizing on Austenite Grain Size of Carburized and Quenched Gear Steel 20CrMnTiH3

Teshugang, 2016
The effect of process of warm-forging at 880 ~ 930 °C on growth of austenite grain of gear steel 20CrMnTiH3 is analyzed by examination of physicochemistry and original material austenite grain size to get that the austenite of steel is easy abnormally ...
白瑞娟, 万长杰, 董战利, 朱振国, 王清波, 韩怀宾   +5 more
doaj  

Microstructural Influences on Fracture at Prior Austenite Grain Boundaries in Dual-Phase Steels. [PDF]

Materials (Basel), 2019
Sharma L, Peerlings RHJ, Geers MGD, Roters F.   +3 more
europepmc   +1 more source