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Full-Text Articles in Physical Sciences and Mathematics

Influence Of Electrolytic-Plasma Surface Quenching On The Structure And Strength Properties Of Ferritic-Pearlite Class Wheel Steel, B. K. Rakhadilov, Y. Y. Tabiyeva, G. K. Uazyrkhanova, L. G. Zhurerova, D. Baizhan Jun 2020

Influence Of Electrolytic-Plasma Surface Quenching On The Structure And Strength Properties Of Ferritic-Pearlite Class Wheel Steel, B. K. Rakhadilov, Y. Y. Tabiyeva, G. K. Uazyrkhanova, L. G. Zhurerova, D. Baizhan

Eurasian Journal of Physics and Functional Materials

This paper examines the influence of electrolyte-plasma surface hardening on the structure and micro hardness of wheel steel mark 2. In the work electrolyte-plasma surface quenching was carried out in an electrolyte made from an aqueous solution of 10% carbamide (NH 2 ) 2 CO+20% sodium carbon ate Na 2 CO 3 . The work investigated the strength limit, fluidity and wear intensity of the wheeled steel after electrolyte-plasma surface quenching. After electrolytic-plasma surface quenching, a batch, high-temperature plate and low-temperature plate martensit is formed on the surface of the sample. Investigations have been carried out on microhardness determination on …


Atomic Force Microscopic Characterization Of Solid Electrolyte Interphase In Lithium Ion Batteries, Qing-Yu Dong, Yan-Li Chu, Yan-Bin Shen, Li-Wei Chen Feb 2020

Atomic Force Microscopic Characterization Of Solid Electrolyte Interphase In Lithium Ion Batteries, Qing-Yu Dong, Yan-Li Chu, Yan-Bin Shen, Li-Wei Chen

Journal of Electrochemistry

In recent years, the rapid growing in the electric vehicle market has raised higher requirement on the lithium-ion batteries (LIBs) performance towards energy density and safety. However, considering the successful development of LIBs techniques in the past 30 years, there is little room left for improving the LIBs performance on the aspects related to the electrode materials, battery structure design and production processes. It is important to pursue more comprehensive fundamental understanding in the entire system and working principle of LIBs. Solid electrolyte interphase (SEI), existing between the electrode material and the electrolyte, has been proved to be an important …