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Okponmwense Moses,Queen Omone Asekhame
Pág. 165 - 174
Soil contamination with heavy metals is a global environmental matter of interest due to its thinkable dangers to humans, environmental health and ecosystem preceding shortfalls in agricultural produce and dangerous health outcomes as they penetrate the ...
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Stefano Piacquadio, Dominik Pridöhl, Nils Henkel, Rasmus Bergström, Alessandro Zamprotta, Athanasios Dafnis and Kai-Uwe Schröder
Economic viability of small launch vehicles, i.e., microlaunchers, is impaired by several factors, one of which is a higher dry to wet mass ratio as compared to conventional size launchers. Although reusability may reduce launch cost, it can drive dry an...
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Dexin Wei, Chongyou Wu, Lan Jiang, Gang Wang and Hui Chen
At present, Chinese corn grain harvesters lack cleaning loss monitoring. Cleaning parameters cannot be automatically adjusted, and the loss rate is high. In view of the above problems, a cleaning loss monitoring sensor is designed, composed of a metal im...
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Fatma Barood, Mohd Mustafa Awang Kechik, Tan Sin Tee, Chen Soo Kien, Lim Kean Pah, Kai Jeat Hong, Abdul Halim Shaari, Hussein Baqiah, Muhammad Khalis Abdul Karim, Muhammad Kashfi Shabdin, Khairul Khaizi Mohd Shariff, Azhan Hashim, Nurbaisyatul Ermiza Suhaimi and Muralidhar Miryala
This article reports the effect of a nanoscale addition of TiO2 on the structure and superconducting parameters of the high-temperature superconductor YBa2Cu3O7-d (Y123). Polycrystalline compounds of Y123 with different percentages of TiO2, x = 0.0, 0.2,...
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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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Fangyong Niu, Yang Li, Chenchen Song, Xinrui Yan, Ziao Zhang, Guangyi Ma and Dongjiang Wu
With the increasing demand for the high agility and fast response of high-level equipment in the aerospace and energy power fields, it is increasingly urgent to improve the performance of the high-temperature and wear resistance of the corresponding high...
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Kanhu C. Nayak, Kedarnath K. Rane, Prashant P. Date and T. S. Srivatsan
Powder metallurgy-based metal matrix composites (MMCs) are widely chosen and used for the development of components in the fields spanning aerospace, automotive and even electronic components. Engineered MMCs are known to offer a high strength-to-weight ...
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Christian Bach, Frank Wehner and Jan Sieder-Katzmann
High performance ceramics, particularly Ceramic Matrix Composite (CMC) materials found their way into liquid rocket engines. Yet, so far, mainly carbide or nonoxide CMCs have been of interest. This paper explores the potential and challenges of oxide?oxi...
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Robert Starosta and Tomasz Dyl
The surface of machine elements is changed to improve their mechanical properties. Ceramic-metal composite coatings are mainly used to increase the durability of machine parts. Therefore, new materials are constantly searched for application in the futur...
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Mina Dadvand and Oumarou Savadogo
Crack-free and uniform nickel?tungsten (NiW) coatings and their composite coatings filled with ceramic particles such as silicon carbide (SiC) and hexagonal-boron nitride (hBN) were deposited on brass substrates by applying direct current (DC) waveforms....
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