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Mingke Li, Kepeng Huang and Xuemei Yi
Laser cladding, a novel surface treatment technology, utilizes a high-energy laser beam to melt diverse alloy compositions and form a specialized alloy-cladding layer on the surface of the substrate to enhance its property. However, it can generate subst...
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Kefeng Lu, Jian Zhu, Delin Guo, Minghui Yang, Huajian Sun, Zekun Wang, Xidong Hui and Yongling Wu
Nowadays, high-entropy alloys (HEAs) have become a hot research topic in the field of coating materials. However, HEAs have a large wide range of compositional systems, and the differences in their composition inevitably lead to the significant variation...
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Chao Chen, Junfa Wang, Yiyuan Ge and Lili Ma
The structural and elastic properties of (Fe, Cr, W)7C3 were investigated by first principles.
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Tao Wu, Yunxiang Chen, Bo Lin, Litao Yu, Wanyuan Gui, Jiheng Li, Yuan Wu and Dawen Zeng
Wear and corrosion resistant properties of high entropy alloy coatings (HEAC) on H13 steel are of particular interest for industrial applications. The CoCrFeNi HEA/WC composite coatings (HEACC) developed in this study were successfully prepared by incorp...
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Bowen Shi, Xiaokai Mu, Huan Zhan, Linhui Deng, Tao Li and Hongchao Zhang
Almost all of the research on cracks in laser cladding is based, at present, on a horizontal substrate, which cannot be directly applied to prepare high performance coatings, especially high hardness coatings, on tilted substrate. In this work, the influ...
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Linlin Liu, Yueqi Qiao and Peng Xu
Known as having a stress self-accommodation characteristic, the laser cladding shape memory alloy (SMA) coatings have been widely used in material failure repair. Nevertheless, their further development is greatly limited by their low microhardness (250 ...
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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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Jie Hu, Yaojia Ren, Qianli Huang, Hao He, Luxin Liang, Jingbo Liu, Ruidi Li and Hong Wu
Ti-23Nb (at.%) coatings on an NiTi alloy with metallurgical bonding were prepared by laser cladding (LC) technology using Ti-Nb mixture powders. The effects of laser processing parameters on the microstructure and mechanical properties of the coatings we...
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Kaiwei Liu, Hua Yan, Peilei Zhang, Jian Zhao, Zhishui Yu and Qinghua Lu
TiN and WS2 + hBN reinforced Ni-based alloy self-lubricating composite coatings were fabricated on TC4 alloy by laser cladding using TiN, NiCrBSi, WS2, and hBN powder mixtures. Energy-dispersive spectroscopy (EDS), scanning electron microscopy (SEM), X-r...
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Xu Huang, Chang Liu, Hao Zhang, Changrong Chen, Guofu Lian, Jibin Jiang, Meiyan Feng and Mengning Zhou
The premise of surface strengthening and repair of high valued components is to identify the relationship between coating formulation, structure, and properties. Based on the full factorial design, the effects of process parameters (laser power, scanning...
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