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Juyao Wei, Zhenggang Lu, Zheng Yin and Zhipeng Jing
This paper presents a novel data-driven multiagent reinforcement learning (MARL) controller for enhancing the running stability of independently rotating wheels (IRW) and reducing wheel?rail wear. We base our active guidance controller on the multiagent ...
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Ezazul Haque Sabuz, Mohammed Noor-A-Alam, Waseem Haider and Ishraq Shabib
In this study, mechanical and electrochemical performance of borided additively manufactured (AM) and wrought 8620 low alloy steel were investigated and compared to their bare counterparts. The microstructure of borided 8620 exhibited the presence of FeB...
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Hamidreza Ghandvar, Mostafa Abbas Jabbar, Michal Petru, Tuty Asma Abu Bakar, Lim Jia Ler and Seyed Saeid Rahimian Koloor
This study aims to investigate the microstructural alterations, mechanical properties, sliding wear behavior, and corrosion properties of Al-15%Mg2Si composites with different contents of yttria-stabilized zirconia (YSZ). Al-15%Mg2Si composites with the ...
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Lauren?iu Constantin Vladu?oiu, Georgiana Chisiu, Andrei Tudor, Nicolae-Valentin Vladu?, Lucian Fechete Tutunaru, Eugen Marin and Iulia-Andrea Grigore
This paper presents the interaction system within the mechanical soil processing process, consisting of two large elements, the metal of the tool and the soil. Due to the two main forces acting on the chisel knives?friction and impact with the sandy soil...
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Lamyaa Khaleel Hasan, Suaad Makki Jiaad, Khansaa Dawood Salman, Wisam Abed Kattea Al-Maliki, Falah Alobaid and Bernd Epple
Objective: The aim of the present work is to study the microstructure, wear behavior, physical properties, and micro-hardness of the aluminum matrix AA6061 reinforced with TiC and B4C nanoparticles with different concentrations of 2.5, 5, 7.5, 10, and 12...
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Jan Duplak, Darina Duplakova and Jozef Zajac
From the point of view of production, it is of fundamental importance to know the cutting parameters at which the new surface of the component was created because only in this way is it possible to understand the nature and properties of the created surf...
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Xiaolong Pan, Longshi Qiu, Xiaogang Hu and Haixia Jiang
In this study, duplex surface treatments were used to prepare a ZrO2/Cr bilayer coating on zirconium alloy cladding for enhancing the wear and corrosion behaviors. The surface and cross-section morphology of coated Zr-4 alloy was characterized; the resul...
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Feifei Huang, Erju Liu, Yi Qin, Qingrui Wang, Ying Jin, Lei Wen and Hai Chang
By applying 2205 duplex stainless steel powders to repair and improve carbon steel, multi-pass laser-cladding tests were conducted on Q235 carbon steel surfaces with different laser powers in the range of 1.9~2.5 kW in order to evaluate the performance o...
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Shahbaz Khan, ElSayed M. Tag-ElDin, Abdul Majid and Mohammad Alkhedher
Polytetrafluoroethylene (PTFE) ions were deposited on titanium substrate by using a 1.5 kJ Mather plasma focus device in argon, equipped with a PTFE source. The PTFE and argon ions generated during different number of shots of dense plasma focus (DPF) re...
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Chong Chen, Tao Wang, Shizhong Wei, Feng Mao, Wenliang Liu, Mei Xiong, Tao Jiang, Liqiang Xiao, Xiaodong Wang and Cheng Zhang
Casting infiltration technology was used to fabricate a high-chromium coating on the surface of parent ZG45 steel with different Ni content. SEM, EDS analysis, CALPHAD-type calculations, Rockwell hardness test and impact wear test were utilized to invest...
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