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Zuli Mao and Li Yang
We report the synthesis of SiC/Si3N4 coatings on carbon/carbon composites via pack cementation and heat treatment with nitrogen gas, the latter of which improves the coating wear resistance. X-ray diffraction (XRD), scanning electron microscopy (SEM), en...
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Joern Kohlscheen and Christian Bareiss
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Ning Zhang, Nannan Zhang, Sheng Guan, Shumei Li, Guangwei Zhang and Yue Zhang
The NiCr–TiB2–ZrB2 composite coating was deposited on the surface of blades made of steel (SUS304) using high-energy ball milling technology and air plasma spraying technology, which aimed to relieve the wear of the blades during operation. T...
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C. N. Panagopoulos, E. P. Georgiou, G. S. Tradas and K. I. Giannakopoulos
The wear behaviour of bare and polymer-coated soda-lime glass specimens sliding against 440C stainless steel counterfaces was investigated with the aid of a pin-on-disk apparatus. The selected polymeric coatings were commercially supplied safety films, w...
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Mónica Campo, Alberto Jiménez-Suárez and Alejandro Ureña
The use of graphene nanoplatelets for several purposes such as barrier properties and structural health monitoring is widely studied in polymer-based coating technology. Nevertheless, their extremely good effect on wear resistance makes them particularly...
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Francisco Silva, Rui Martinho, Maria Andrade, António Baptista and Ricardo Alexandre
It is well known that injection of glass fibre?reinforced plastics (GFRP) causes abrasive wear in moulds? cavities and runners. Physical vapour deposition (PVD) coatings are intensively used to improve the wear resistance of different tools, also being o...
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C. N. Panagopoulos, E. P. Georgiou, G. S. Tradas and K. I. Giannakopoulos
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Martin Löbel, Thomas Lindner, Thomas Mehner and Thomas Lampke
The investigation of high-entropy alloys (HEAs) has revealed many promising properties. HEAs with a high share of Al and Ti are suitable for the formation of lightweight materials. Investigations of the alloy system AlCoCrFeNiTi showed high strength, har...
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Roberto Sañudo, Marina Miranda, Valeri Markine, Luigi dellOlio
Pág. 281 - 288
Different types of track infrastructure can be found along railway lines. Separation zones between these different types of structures are the source of a lot of problems. Transition zones on a railway line represent a gradual solution for the problems b...
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Jordan Maximov and Galya Duncheva
This review paper analyses and summarises the results found while studying the slide burnishing (SB) of metal components refracted through a prism during the surface engineering (SE) process, over the period of January 2019 to January 2023. According to ...
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Mohammed Hossny, Julie Iskander, Mohamed Attia, Khaled Saleh and Ahmed Abobakr
Continuous action spaces impose a serious challenge for reinforcement learning agents. While several off-policy reinforcement learning algorithms provide a universal solution to continuous control problems, the real challenge lies in the fact that differ...
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Duy Quang Pham, Christopher C. Berndt, Ameneh Sadeghpour, Hala Zreiqat, Peng-Yuan Wang and Andrew S. M. Ang
In this work, we measured the mechanical properties and tested the cell viability of a bioceramic coating, strontium?hardystonite?gahnite (Sr?HT?G, Sr?Ca2ZnSi2O7?ZnAl2O4), to evaluate potential use of this novel bioceramic for bone regeneration applicati...
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Muhammad Naeem Iqbal, Asfa Ashraf
Pág. 21 - 22
Changes in climate due to the enormous amount of carbon dioxide emissions have really encouraged the development of energy sources that are renewable, sustainable, and eco-friendly (Alajmi et al., 2017). In the last few years, biodiesel has emerged as on...
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María del Carmen Marco de Lucas, Franck Torrent, Gianni-Paolo Pillon, Pascal Berger and Luc Lavisse
Surface laser treatment (SLT) using nanosecond IR lasers has been shown to improve the tribological behaviour of titanium. Here, we studied the fretting wear of SLT-functionalized pure titanium in a mixture of reactive gases O2" role="presentation" style...
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