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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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Youming Cai, Mingzhu Li, Tianzhen Wang, Xiaohang Wang and Hubert Razik
Power extraction has become a critical consideration in tidal stream turbine (TST) systems. In practice, the lumped disturbances under varying tidal current conditions may deteriorate the maximum power point tracking (MPPT) performance and cumulate fatig...
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Timothy Devenport, Bernard Rolfe, Michael Pereira and James M. Griffin
In this paper, the applicability of acoustic emission (AE) measurement of galling wear in sheet metal forming (SMF) is investigated.
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Khansaa Dawood Salman, Wisam Abed Kattea Al-Maliki, Falah Alobaid and Bernd Epple
This work aims to define the microstructure and to study the mechanical properties of an Al matrix incorporated with various amounts of Fe2O3 (3, 6, 9, 12 and 15 wt.%) with a constant amount of Ag at 1 wt.%. Al/Fe2O3 + Ag hybrid nano-composite samples ar...
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Sergii Filonenko,Anzhelika Stakhova
Pág. 6 - 11
In the present study, experimental research was carried out to determine the effect of the processing tool wear on the mutual change in the average statistical amplitude parameters of acoustic emission signals. Acoustic emission signals were recorded whe...
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Fanjing Wu, Lihua Yu, Hongbo Ju, Junhua Xu and Ji Shi
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Raul Simões, Bruno Martins, José Santos and Victor Neto
A mechanical seal promotes the connection between systems or mechanisms, preventing the escape of fluids to the exterior. Nonetheless, due to extreme working conditions, premature failure can occur. Diamond, due to its excellent properties, is heralded a...
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Zhen Zhou, Yanfeng Han and Jin Qian
Water lubrication has been widely used in marine equipment, where rubber bearings and seals suffer intense friction and severe wear under mixed and boundary conditions. It has good research prospects and practical value to study the composite of amorphou...
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Leandra Bauer, Manuel Kistler, Arnd Steinbrück, Katrin Ingr, Peter E. Müller, Volkmar Jansson, Christian Schröder and Matthias Woiczinski
Wear is an important factor in the long-term success of total knee arthroplasty (TKA). Therefore, wear testing methods have become standard in implant research and development. In the EU, these are based on two simulation concepts, which are defined in s...
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Alfredo Morales, Oscar Piamba and Jhon Olaya
We report the results of the influence of the acetylene and oxygen gas pressure on the wear resistance of aluminum?bronze coatings deposited on naval brass substrate by means of the thermal (flame) deposition process. The coatings were characterized by m...
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Gustavo Pinto, Francisco Silva, Jacobo Porteiro, José Míguez and Andresa Baptista
The technological evolution in the last century also required an evolution of materials and coatings. Therefore, it was necessary to make mechanical components subject to heavy wear more reliable, improving their mechanical strength and durability. Surfa...
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Shahereen Chowdhury, Ben D. Beake, Kenji Yamamoto, Bipasha Bose, Myriam Aguirre, German S. Fox-Rabinovich and Stephen C. Veldhuis
The TiAlCrSiYN-based family of PVD (physical vapor deposition) hard coatings was specially designed for extreme conditions involving the dry ultra-performance machining of hardened tool steels. However, there is a strong potential for further advances in...
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Abdulrahman A. Balhaddad, Lamia S. Mokeem, Michael D. Weir, Huakun Xu and Mary Anne S. Melo
This study intended to investigate the long-term antibacterial effect, mechanical performance, and surface topography of new anticaries dental composites. While most artificial aging studies of dental resins lasted for 30?90 days, this study prolonged th...
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Shahereen Chowdhury, Bipasha Bose, Kenji Yamamoto and Stephen C. Veldhuis
The TiAlCrSiYN-based family of physical vapor deposition (PVD) coatings were systematically designed through the incorporation of TiAlCrN interlayer to increase coating adhesion and consequently the tool life for extreme conditions that arise during dry ...
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Junbo Liu, Xiaozhen Zhang, Zhixi Mai, Yongqing Wang, Shaohua Wang, Yebing Cai and Junli Feng
The rapid development of the traditional ceramic industry contributes considerably to economic advancements; however, the ecological hazards caused by the large amount of sintered ceramic wastes generated during ceramic production and discarded at landfi...
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Nicola Aldi, Nicola Casari, Michele Pinelli, Alessio Suman, Alessandro Vulpio, Ottavio Mantovani and Paolo Saccenti
In industrial applications such as chemical plants, cement factories, and glassmakers, large-sized centrifugal fans are commonly used for dust-laden flow processing. In many cases, the contamination is due to solid particles responsible for fouling and e...
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Gifty Oppong Boakye, Laura E. Geambazu, Arna M. Ormsdottir, Baldur G. Gunnarsson, Ioana Csaki, Francesco Fanicchia, Danyil Kovalov and Sigrun N. Karlsdottir
Materials can be subjected to severe wear and corrosion due to high temperature, high pressure and mechanical loads when used in components for the production of geothermal power. In an effort to increase the lifetime of these components and thus decreas...
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Rohit Khanna, Joo L. Ong, Ebru Oral and Roger J. Narayan
Current trends in total hip arthroplasty (THA) are to develop novel artificial hip joints with high wear resistance and mechanical reliability with a potential to last for at least 25?30 years for both young and old active patients. Currently used artifi...
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Kerrouz Siham, Bourdim Mokhtar, Tamine Tawfik, Bouchtara Mostefa
Pág. 197 - 204
An automobile brake disc brought into contact with the pads, mechanical stresses are imposed on the contact surface. These stresses can cause degradation by fatigue, rupture, wear, propagation of cracks. Modeling the numerical results makes it possible t...
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Sung-Jun Lee, Gang-Min Kim and Chang-Lae Kim
The purpose of this study is to improve the mechanical durability and surface frictional characteristics of polymer/ceramic-based composite materials. Polydimethylsiloxane (PDMS)/glass bubble (GB) composite specimens are prepared at various weight ratios...
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