Studies on the Mechanism of Work Hardening of Austenitic High Manganese Steel Alloyed with Chromium and Vanadium

2017 ◽  
Vol 737 ◽  
pp. 32-37
Author(s):  
Nam Duong ◽  
Le Thi Chieu ◽  
Pham Mai Khanh
Keyword(s):  
Heat Treatment ◽  
Impact Loading ◽  
Work Hardening ◽  
Manganese Steel ◽  
High Manganese ◽  
High Manganese Steel ◽  
Austenite Grain ◽  
Carbide Particles

This article studies the mechanism of work hardening of austenitic high manganese steel alloyed with chromium and vanadium. The steel was annealed at 650°C before austenitizing at 1100°C, and then was quenched with water. We have observed that after the heat treatment, the size of austenite grain was small (1,950μm2 - level 6). The hardness of the steel was 223HB and the toughness was 115J/cm2. After impact loading, there was no martensite but twinning and sliding in the microstructure of the steel. The nano austenite was found in the microstructure. The steel was also hardened by small austenite grain and the carbide particles were finely dispersed in the microstructure.

Effect of heat treatment on microstructure and wear resistance of high manganese steel surfacing layer

2019 ◽  
Vol 33 (01n03) ◽  
pp. 1940035 ◽  
Author(s):  
Juan Pu ◽  
Zhipeng Li ◽  
Qingxian Hu ◽  
Yuxin Wang
Keyword(s):  
Heat Treatment ◽  
Wear Resistance ◽  
Abrasive Wear ◽  
Work Hardening ◽  
Manganese Steel ◽  
Austenite Matrix ◽  
High Manganese ◽  
High Manganese Steel ◽  
Cored Wire ◽  
Wear Time

The high manganese steel surfacing layer was deposited on Q235 steel by flux-cored wire gas shielded welding. The as-welded surfacing layer was heated at 1050[Formula: see text]C and quenched in the water, then was tempered at 300[Formula: see text]C. The microstructure, hardness and wear resistance of as-welded surfacing layer and that after heat treatment were comparatively analyzed. The results showed that compared with the as-welded surfacing layer, a large number of fine carbides dispersed in the austenite matrix for the surfacing layer after heat treatment. Meanwhile, the hardness and wear resistance of surfacing layer were slightly improved. The furrow in the abrasive wear for surfacing layer was shallower. Under the action of work hardening, the hardness of high manganese steel surfacing layer gradually increased while the loss weight decreased with the wear time less than 30 min. The hardness of surfacing layer reached the maximum and the loss weight of wear remained unchanged when the wear time was 30–60 min.

Influence of Alloying and Heat Treatment on the Abrasive and Impact–Abrasive Wear Resistance of High-Manganese Steel

2017 ◽  
Vol 47 (11) ◽  
pp. 705-709 ◽  
Author(s):  
K. N. Vdovin ◽  
N. A. Feoktistov ◽  
D. A. Gorlenko ◽  
V. P. Chernov ◽  
I. B. Khrenov
Keyword(s):  
Heat Treatment ◽  
Wear Resistance ◽  
Abrasive Wear ◽  
Abrasive Wear Resistance ◽  
Manganese Steel ◽  
High Manganese ◽  
High Manganese Steel

scholarly journals Microstructure of Cast High-Manganese Steel Containing Titanium

2016 ◽  
Vol 16 (4) ◽  
pp. 163-168 ◽  
Author(s):  
G. Tęcza ◽  
A. Garbacz-Klempka
Keyword(s):  
Heat Treatment ◽  
Solution Heat Treatment ◽  
Cast Steel ◽  
Mining Industry ◽  
Manganese Steel ◽  
Hadfield Steel ◽  
High Manganese ◽  
High Manganese Steel ◽  
The Matrix ◽  
Titanium Carbides

Abstract Widely used in the power and mining industry, cast Hadfield steel is resistant to wear, but only when operating under impact loads. Components made from this alloy exposed to the effect of abrasion under load-free conditions are known to suffer rapid and premature wear. To increase the abrasion resistance of cast high-manganese steel under the conditions where no dynamic loads are operating, primary titanium carbides are formed in the process of cast steel melting, to obtain in the alloy after solidification and heat treatment, the microstructure composed of very hard primary carbides uniformly distributed in the austenitic matrix of a hardness superior to the hardness of common cast Hadfield steel. Hard titanium carbides ultimately improve the wear resistance of components operating under shear conditions. The measured microhardness of the as-cast matrix in samples tested was observed to increase with the increasing content of titanium and was 380 HV0.02 for the content of 0.4%, 410 HV0.02 for the content of 1.5% and 510 HV0.02 for the content of 2 and 2.5%. After solution heat treatment, the microhardness of the matrix was 460÷480 HV0.02 for melts T2, T3 and T6, and 580 HV0.02 for melt T4, and was higher than the values obtained in common cast Hadfield steel (370 HV0.02 in as-cast state and 340÷370 HV0.02 after solution heat treatment). The measured microhardness of alloyed cementite was 1030÷1270 HV0.02; the microhardness of carbides reached even 2650÷4000 HV0.02.

STUDY ON WORK HARDENING BEHAVIOUR AND MECHANISM OF HIGH SILICON AUSTENITIC HIGH MANGANESE STEEL

2012 ◽  
Vol 48 (10) ◽  
pp. 1153 ◽  
Author(s):  
Yuhua WEN ◽  
Wanhu ZHANG ◽  
Haitao SI ◽  
Renlong XIONG ◽  
Huabei PENG
Keyword(s):  
Work Hardening ◽  
Manganese Steel ◽  
High Manganese ◽  
High Manganese Steel ◽  
High Silicon

Reason for Work Hardening of Mn13 after Asynchronous Cold Rolling

2011 ◽  
Vol 361-363 ◽  
pp. 827-830
Author(s):  
Chang Ming Qiu ◽  
Yan Feng Wang ◽  
Xiao Hua Sun
Keyword(s):  
Electron Diffraction ◽  
Cold Rolling ◽  
Diffraction Pattern ◽  
Electron Diffraction Pattern ◽  
Work Hardening ◽  
Theory And Practice ◽  
Manganese Steel ◽  
High Manganese ◽  
High Manganese Steel ◽  
Rolling Technique

By taking asynchronous cold rolling technique on austenitic high manganese steel (Mn13) specimens, the hardness of Mn13 specimens can increase. The reason for work hardening after asynchronous cold rolling is analyzed in depth by studying the microstructure and electron diffraction pattern. The research will make a contribution to theory and practice of Mn13.

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