Results 31 to 40 of about 4,126,459 (396)

Obtaining Excellent Mechanical Properties in an Ultrahigh-Strength Stainless Bearing Steel via Solution Treatment

Metals, 2023
A novel versatile ultrahigh-strength stainless bearing steel was prepared by first solution treating the steel at temperatures between 1000 °C and 1100 °C for 1 h, followed by performing cryogenic treatment at −73 °C for 2 h, and tempering at 500 °C for ...
Kai Zheng, Zhenqian Zhong, Hui Wang, Haifeng Xu, Feng Yu, Cunyu Wang, Guilin Wu, Jianxiong Liang, Andy Godfrey, Wenquan Cao   +9 more
doaj   +1 more source

Investigating the influence mechanisms of cryogenic treatment on mechanical properties and wear resistance of AISI 4340 steel

Journal of Materials Research and Technology
This study systematically investigates the multiscale structural evolution of cryogenic treatment processed AISI 4340 steels. It revealed that cryogenic treatment refined martensitic block structures and increased high angle grain boundaries, while ...
Jiansheng Yan, Chaolei Zhang, Jia Guo, Gengyi Dong, Shuize Wang, Junheng Gao, Honghui Wu, Haitao Zhao, Jun Lu, Yuhe Huang, Xinping Mao   +10 more
doaj   +1 more source

Influence of shear reinforcement corrosion on the performance of under-reinforced concrete beams [PDF]

, 2010
The in-service performance of reinforced concrete beams can be severely affected through cor-rosion of the steel reinforcement when it becomes subjected to harsh corrosive environments containing chlo-rides and carbon dioxide.
Brown, E. H., Lambert, Paul, Mangat, Pal, O'Flaherty, Fin   +3 more
core   +1 more source

Corrosion Inhibition Performances of Imidazole Derivatives-Based New Ionic Liquids on Carbon Steel in Brackish Water

Applied Sciences, 2020
In this study, imidazole derivative-based new ionic liquids were investigated as corrosion inhibitors. These new ionic liquids (ILs) are 1,3-dipropyl-2-(2-propoxyphenyl)-4,5-diphenylimidazole iodide (IL1) and 1,3-dibutyl-2-(2-butoxyphenyl)-4,5 ...
M. Zunita, D. Wahyuningrum, Buchari, B. Bundjali, I. Wenten, Ramaraj Boopathy   +5 more
semanticscholar   +1 more source

Microstructural evolution and strength-toughness synergy in 40CrNiMo steel via deep cryogenic treatment following tempering

Journal of Materials Research and Technology
40CrNiMo medium-carbon alloy steel serves as an essential material for aerospace harmonic reducers, yet conventional approaches focusing on multiphase microstructure development face persistent challenges in dimensional stability under cryogenic cyclic ...
Weigong Tian, Chaolei Zhang, Gengyi Dong, Xiaobiao Mu, Jiansheng Yan, Shuize Wang, Junheng Gao, Honghui Wu, Haitao Zhao, Jun Lu, Yuhe Huang, Xinping Mao   +11 more
doaj   +1 more source

Enhancement of wear properties of a polyether ether ketone polymer by incorporation of carbon and glass fibers [PDF]

, 2019
Some properties of polymers can be improved through the incorporation of carbon and glass fibers into the polymer matrix. In this research, the wear resistance of two polymer composites CF-polyether ether ketone (PEEK) and GF-PEEK were compared with the ...
Davim J. P., Davim J. P., Gupta R. K., Ho J. W., James M. N., LeMaster R., Li E. Z., Lu Z. P., Prevéy P. S., Prevéy P. S., Shaw B. A., Suh N. P., Tang L., Unal H., Vanarotti P., Wang Z.   +15 more
core   +1 more source

Epoxy pre-polymers as new and effective materials for corrosion inhibition of carbon steel in acidic medium: Computational and experimental studies

Scientific Reports, 2019
Present study is designed for the synthesis, characterization and corrosion inhibition behavior of two diamine aromatic epoxy pre-polymers (DAEPs) namely, N1,N1,N2,N2-tetrakis (oxiran-2-ylmethyl) benzene-1,2-diamine (DAEP1) and 4-methyl-N1,N1,N2,N2 ...
O. Dagdag, Z. Safi, R. Hsissou, H. Erramli, M. El bouchti, N. Wazzan, Lei Guo, C. Verma, E. Ebenso, A. El Harfi   +9 more
semanticscholar   +1 more source

Test and Detection of Antifreezing and Anticorrosion Performance of Carbon Nanofiber Bridge Concrete

International Journal of Analytical Chemistry, 2022
In order to solve the problems of carbon nanotubes, steel fibers, and carbon nanotubes + steel fibers on the compressive strength and impact resistance of concrete, the author proposes a test method for the frost resistance and corrosion resistance of ...
Huining Yang, Dan Wang, Huai Yu
doaj   +1 more source

Corrosion behaviour of hot-rolled 316L stainless steel-A6 carbon steel composite steel plate for marine environment

Journal of Materials Research and Technology, 2023
In this study, a composite steel plate for marine construction was fabricated using 316L stainless steel and A6 carbon steel through hot rolling. Neutral salt spray tests and electrochemical experiments were performed to analyse the corrosion behaviours ...
Yecheng Liu, Zhibin Zheng, Jun Long, Zhibiao Xu, Sihai Jiao, Yanxin Qiao, Kaihong Zheng, Fuxing Yin   +7 more
doaj   +1 more source

Mapping erosion-corrosion of carbon steel in oil-water solutions : Effect of velocity and applied potential [PDF]

, 2012
In this study, the combined effects of erosion and corrosion on carbon steel were investigated in three environments containing crude oil, reservoir water, and a mixture of both solutions at a range of applied potentials, velocities and impact angle. The
Abdulrahman, Ghaith, Stack, Margaret
core   +1 more source