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Junjie Cai, Shengpeng Hu, Hongbing Liu, Danyang Lin, Wei Fu and Xiaoguo Song
Dissimilar materials brazing of Ti2AlNb alloy to GH99 superalloy is of great pragmatic importance in the aerospace field, especially the lightweight space aircraft components manufacturing. In this work, TiZrCuNi amorphous filler alloy was used as brazin...
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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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Alessandro M. Ralls, Ashish K. Kasar, Mohammadreza Daroonparvar, Arpith Siddaiah, Pankaj Kumar, Charles M. Kay, Manoranjan Misra and Pradeep L. Menezes
For the first time, Zr702 coatings were deposited onto an Al6061 alloy using a high-pressure cold spray (HPCS) system. In this work, five different N2 process gas temperatures between 700 and 1100 °C were employed to understand the formation of cold spra...
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Hyo-Woon Hwang, Ji-Hwan Park and Dong-Geun Lee
Titanium has many limitations in coverage and frequency of application due to its expensive alloying elements and complex manufacturing process. The biocompatible Ti-Mo-Fe ternary beta titanium alloys were designed by replacing high-cost beta-stabilizer ...
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Dmitrii Sidelev, Sergey Ruchkin and Egor Kashkarov
The resistance upset welds (RUW) made from E110 alloy without and with Cr coatings were oxidized in air atmosphere at 1100 °C for 2, 10 and 30 min. The cross-section microstructure, elemental composition and hardness were studied before and after oxidati...
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Patrizia Bocchetta, Liang-Yu Chen, Juliana Dias Corpa Tardelli, Andréa Cândido dos Reis, Facundo Almeraya-Calderón and Paola Leo
The high specific strength, good corrosion resistance, and great biocompatibility make titanium and its alloys the ideal materials for biomedical metallic implants. Ti-6Al-4V alloy is the most employed in practical biomedical applications because of the ...
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Sayed Amer, Olga Yakovtseva, Irina Loginova, Svetlana Medvedeva, Alexey Prosviryakov, Andrey Bazlov, Ruslan Barkov and Andrey Pozdniakov
The microstructure, phase composition, and mechanical properties during heat treatment and rolling of the novel Al-5.0Cu-3.2Er-0.9Mn-0.3Zr alloy were evaluated. A new quaternary (Al,Cu,Mn,Er) phase with possible composition Al25Cu4Mn2Er was found in the ...
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Oleg S?b?l`,Andrii Meilekhov,Valeria Subbotin?,Olena Rebrova
Pág. 16 - 23
The method of x-ray diffractometry was used to study the effect of the composition of two, three, four and five elemental niobium-based alloys on their phase-structural state, average crystallite size, and thermal expansion coefficient in the temperature...
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Feng Ding, Pingze Zhang, Dongbo Wei, Xiaohu Chen, Shiyuan Wang, Zhangzhong Wang and Yimin Zhu
Oxidation resistance of Zr-Y coating on γ-TiAl alloy prepared by a double-glow plasma surface alloying technique was investigated in static air at 750 °C, 800 °C and 850 °C for 100 h. A pure Zr coating was also prepared for comparison. ...
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Hehong Zhang, Xiaofeng Zhang, Xuhui Zhao, Yuming Tang and Yu Zuo
A chemical conversion coating on 5052 aluminum alloy was prepared by using K2ZrF6 and K2TiF6 as the main salts, KMnO4 as the oxidant and NaF as the accelerant. The surface morphology, structure and composition were analyzed by SEM, EDS, FT–IR and X...
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