TY - JOUR
T1 - Improvement of corrosion and wear resistances of 300M ultra high strength steel by low temperature cathode assisted plasma nitriding
AU - Zhao, Weidong
AU - Liu, Daoxin
AU - Hao, Zhiqiang
AU - Shi, Hailan
AU - Zhang, Hao
AU - Sun, Ningning
AU - Liu, Hao
AU - Tang, Fangheng
AU - Li, Haoyu
AU - Liu, Qiao
AU - Zhao, Jingwei
N1 - Publisher Copyright:
© 2024
PY - 2024/3/15
Y1 - 2024/3/15
N2 - This study intends to systematically study the influence rule and mechanism of low temperature cathode assisted plasma nitriding (LTCPN) on the corrosion and wear properties of 300M steel. The research results were as follows: LTCPN technology effectively improved the nitride efficiency by accelerating the ionization rate of the working medium and the activity of nitrogen ions, so that the 300M steel could obtain the nitrided layer of 4 μm, 10 μm, 60 μm, 170 μm and 210 μm at 250 °C, 300 °C, 350 °C, 400 °C and 450 °C. LTCPN technology effectively improved the corrosion resistance of samples at 250 °C ~ 450 °C. Among them, more excellent corrosion resistance could be produced on the sample surface by LTCPN-treated at 350 °C, which attributed to introducing more ε-Fe3N phases, higher residual compressive stress, and lower surface roughness. In addition, LTCPN technology also reduced the wear damage of 300M steel at different temperatures. LTCPN-treated sample at 300 °C achieved the best wear resistance due to the introduction of the higher hardness and surface compressive residual stress (CRS), deeper nitride layer, and lower surface roughness on the sample surface. The above results showed that LTCPN treatment had a great application prospect in synchronously improving the wear and corrosion behavior of martensitic ultra-high strength steel.
AB - This study intends to systematically study the influence rule and mechanism of low temperature cathode assisted plasma nitriding (LTCPN) on the corrosion and wear properties of 300M steel. The research results were as follows: LTCPN technology effectively improved the nitride efficiency by accelerating the ionization rate of the working medium and the activity of nitrogen ions, so that the 300M steel could obtain the nitrided layer of 4 μm, 10 μm, 60 μm, 170 μm and 210 μm at 250 °C, 300 °C, 350 °C, 400 °C and 450 °C. LTCPN technology effectively improved the corrosion resistance of samples at 250 °C ~ 450 °C. Among them, more excellent corrosion resistance could be produced on the sample surface by LTCPN-treated at 350 °C, which attributed to introducing more ε-Fe3N phases, higher residual compressive stress, and lower surface roughness. In addition, LTCPN technology also reduced the wear damage of 300M steel at different temperatures. LTCPN-treated sample at 300 °C achieved the best wear resistance due to the introduction of the higher hardness and surface compressive residual stress (CRS), deeper nitride layer, and lower surface roughness on the sample surface. The above results showed that LTCPN treatment had a great application prospect in synchronously improving the wear and corrosion behavior of martensitic ultra-high strength steel.
KW - 300M steel
KW - Corrosion
KW - Low temperature cathode assisted plasma nitriding
KW - Wear
UR - http://www.scopus.com/inward/record.url?scp=85184518546&partnerID=8YFLogxK
U2 - 10.1016/j.surfcoat.2024.130518
DO - 10.1016/j.surfcoat.2024.130518
M3 - 文章
AN - SCOPUS:85184518546
SN - 0257-8972
VL - 479
JO - Surface and Coatings Technology
JF - Surface and Coatings Technology
M1 - 130518
ER -