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Sugrib Kumar Shaha, Siavash Borhan Dayani, Yuna Xue, Xin Pang and Hamid Jahed
In this paper, we report the application of zinc phosphate electrostatic-painting top coating on cold sprayed AA7075 leading to a significant improvement in corrosion-fatigue performance. High strength AA7075 powder was sprayed on AZ31B substrate, follow...
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Tiankai Li, Haiyang Long, Changming Qiu, Mingming Wang, Dongdong Li, Zhen Dong and Yongliang Gui
When laser cladding is used to repair parts, the interaction of parameters has a significant influence on equipment performance. In order to explore the process parameters and quality of Ni60PTA coating, the statistical relationship between the process p...
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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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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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Bogdan Gusar,Vasyl Kovalyshyn,Serhii Pozdieiev,Volodymyr Kovalyshyn,Oleh Zemlianskyi,Kostiantyn Myhalenko
Pág. 46 - 53
The article addresses the relevant issue of determining the thermotechnical characteristics of the fire-extinguishing powder for thermal insulation of the fire center of materials based on magnesium alloy chips to prevent fire development and propagation...
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Chunlian Hu and Shanglin Hou
NiCrMoY alloy powders were prepared using inert gas atomization by incorporation of rare earth elements, such as Mo, Nb, and Y into Ni60A powders, the coatings were sprayed by oxy-acetylene flame spray and then remelted with high-frequency induction. The...
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Do Nam Binh, Nguyen Thi Hoang Oanh and Nguyen Hoang Viet
In this paper, the influence of mechanical milling on the microstructural evolution and magnetic properties of Al82Fe14Ni4 alloys prepared by mechanical alloying is investigated. The elemental powder mixture was processed under argon gas at 250 rpm and 3...
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Weiqiang Xiong, Yunjie Liu, Tianfu Zhang, Shixi Wu, Dawen Zeng, Xiang Guo and Aimin Pang
Aluminium?lithium alloy (Al?Li alloy) powder has excellent ignition and combustion performance. The combustion product of Al?Li alloy powder combined with ammonium perchlorate is gaseous at the working temperature of solid rocket motors, which greatly re...
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Linsen Shu, Jiahao Li, Han Wu and Zhao Heng
Titanium alloy is an important material in the 21st century and its consumption in the aerospace and energy fields is increasing. In the production and repair of titanium alloy, the problem of energy saving and consumption reduction is becoming increasin...
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Pawel Kustron, Marcin Korzeniowski, Adam Sajbura, Tomasz Piwowarczyk, Pawel Kaczynski and Pawel Sokolowski
The presented work considers the ultrasonic atomization as a novel approach for metal and metal alloy powder manufacturing.
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Sergey N. Grigoriev, Marina A. Volosova, Sergey V. Fedorov, Anna A. Okunkova, Petr M. Pivkin, Pavel Y. Peretyagin and Artem Ershov
The study is devoted to the development and testing of technological principles for the manufacture of solid end mills from ceramics based on a powder composition of a-SiAlON, ß-SiAlON, and TiN additives, including spark plasma sintering powder compositi...
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Francesco Fanicchia, Ioana Csaki, Laura E. Geambazu, Henry Begg and Shiladitya Paul
A compositionally complex alloy (CCA) was developed in powder form and applied as a coating onto a carbon steels substrate by using thermal spray. The purpose of this study was to investigate the effect of microstructural modification induced by using tw...
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Haitao Yue, Ning Lv, Chenguang Guo, Jianhua Zhai, Weibing Dai, Jianzhuo Zhang and Guochao Zhao
To determine the optimal process parameters for the preparation of a Co-based alloy cladding layer, the experimental research of laser cladding Co-based alloy was carried out based on the optimal process window and grey relational analysis methods with 4...
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Tamas Miko, Daniel Petho, Greta Gergely, Dionysios Markatos and Zoltan Gacsi
Titanium and its alloys have excellent corrosion resistance, heat, and fatigue tolerance, and their strength-to-weight ratio is one of the highest among metals. This combination of properties makes them ideal for aerospace applications; however, high man...
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Yingying Wang, Bernard Normand, Xinkun Suo, Marie-Pierre Planche, Hanlin Liao and Junlei Tang
As an emerging coating building technique, cold spraying has many advantages to elaborate Mg alloy workpieces. In this study, AZ91D coatings and AZ91D-based composite coatings were deposited using cold spraying. Coatings were prepared using different gas...
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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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Roman V. Denys, Volodymyr A. Yartys, Evan MacA. Gray and Colin J. Webb
This work focused on the high pressure PCT and in situ neutron powder diffraction studies of the LaMg2Ni9-H2 (D2) system at pressures up to 1,000 bar. LaMg2Ni9 alloy was prepared by...
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Feng Li, Shisong Zheng and Fang Zhou
In this study, AlFeCrMoNi1.8Nb1.5 (at.%) eutectic high-entropy alloy (EHEA) coating was successfully prepared on the surface of M2 high-speed steel (HSS) by wide-laser cladding. The effects of laser defocusing amount, laser power, scanning speed, and pre...
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Maksim Krinitcyn, Alexandr Pervikov, Natalya Svarovskaya, Alexandr Lozhkomoev and Marat Lerner
The paper shows the possibility of synthesizing microparticles coated with nanoparticles by electric explosion of a wire made of Ti-6Al-4V alloy. Particles in which the core is a microparticle and the shell of a nanoparticle can provide effective sliding...
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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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