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Wansen Guo, Jinshen Wang, Chao Shi, Jianhong Chen, Wenhui Zeng, Guoxiao He and Kunying Ding
On the aero-engine combustor liner, a phenomenon of overheating resembling a hot spot exists, accompanied by a preferential peeling of the YSZ thermal barrier coating that will negatively affect the service life of the component. The hot spot temperature...
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Jinquan Sun, Dongrui Wang, Jie Yang, Fujie Li, Lingli Zuo, Feng Ge and Yunbo Chen
In order to solve the failure problem between the crankshaft and the connecting rod friction pair, nano-Cu/microalloyed gradient coating was prepared on the surface of the crankshaft by in situ gaseous nitriding process. Electron probe analysis confirmed...
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Sergey N. Grigoriev, Marina A. Volosova, Sergey V. Fedorov, Mars S. Migranov, Mikhail Mosyanov, Andrey Gusev and Anna A. Okunkova
The main purpose of this paper was to study the efficiency of using diamond-like carbon (DLC) coatings based on a-C:H:Si with a pre-formed CrAlSiN sublayer to increase the cutting ability of ball end mills made of KFM-39 cemented carbide at a speed of 15...
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Yu Wang, Qi Liu, Quansheng Zheng, Tianqing Li, Nanjing Chong and Yu Bai
The thermal insulation properties of thermal barrier coatings (TBCs) can be significantly improved with increasing the coating thickness. However, due to the weak bonding of high-thickness TBCs, the low reliability and short lifetime greatly limits their...
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Aneta Bartkowska, Dariusz Bartkowski, Damian Przestacki, Jakub Hajkowski and Andrzej Miklaszewski
The paper presents study results focused on the microstructural, mechanical, and physicochemical properties of B-Cr coatings obtained by means of modification of diffusion borochromized layers by diode laser beam. The studies were conducted on 145Cr6 too...
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Basit Abdul, Vincenzo Mariano Mastronardi, Antonio Qualtieri, Luciana Algieri, Francesco Guido, Francesco Rizzi and Massimo De Vittorio
In this paper, we report on the characterization of the sensitivity and the directionality of a novel ultrasonic hydrophone fabricated by micro-electro-mechanical systems (MEMS) process, using aluminum nitride (AlN) thin film as piezoelectric functional ...
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Yu Zhang, Zhanqi Cheng and Hu Feng
Functional gradient materials (FGMs) have tremendous potential due to their characteristic advantage of asymptotic continuous variation of their properties. When an FGM is used as a coating material, damage and failure of the interface with the substrate...
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Tareq Manzoor, Kashif Nazar, Muhammad Zafar, Shaukat Iqbal, Muddassir Ali, Woo Young Kim, Mahmood Saleem and Sanaullah Manzoor
In present learning, surface protection layer progression of a third-grade fluid (TGF) is examined. Fluid transport within the micro passage made by the firm bladehas beenpresented. Main system of equations of fluidity have been narrated and streamlined ...
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Emi Kawai, Hideki Kakisawa, Atsushi Kubo, Norio Yamaguchi, Taishi Yokoi, Takashi Akatsu, Satoshi Kitaoka and Yoshitaka Umeno
For design of multi-layered environmental barrier coatings (EBCs), it is essential to assure mechanical reliability against interface crack initiation and propagation induced by thermal stress owing to a misfit of the coefficients of thermal expansion be...
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Jessica Scifo, Augusto Marcelli, Bruno Spataro, Dariush Hampai, Sultan Dabagov, Stefano Sarti, Antonio Di Trolio, Riccardo Moscatelli, Salvatore Macis and Luigi Faillace
Large electric gradients are required for a variety of new applications, notably including the extreme high brightness electron sources for X-ray free electron lasers (FELs), radio-frequency (RF) photo-injectors, industrial and medical accelerators, and ...
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