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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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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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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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Bin He, Nannan Zhang, Danyang Lin, Yue Zhang, Fuyu Dong and Deyuan Li
High-entropy alloys (HEAs) are emerging as a hot research frontier in the metallic materials field. The study on the effect of alloying elements on the structure and properties of HEAs may contribute to the progress of the research and accelerate the app...
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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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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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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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Bin He, Nannan Zhang, Danyang Lin, Yue Zhang, Fuyu Dong and Deyuan Li
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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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Yanli Zhang, Daniel Emil Mack, Georg Mauer and Robert Vaßen
The accurate real-time monitoring of surface or internal temperatures of thermal barrier coatings (TBCs) in hostile environments presents significant benefits to the efficient and safe operation of gas turbines. A new method for fabricating high-temperat...
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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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Hongmei Zhu, Baichun Li, Minghui Chen, Changjun Qiu and Zhongfeng Tang
The corrosion protection of Hastelloy-N alloy in LiF-NaF-KF (commonly referred to as FLiNaK) molten salt has been developed by pure Ni and Co coatings using the laser cladding technique. An immersion experiment with samples was performed in molten FLiNaK...
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Yizhu He, Jialiang Zhang, Hui Zhang and Guangsheng Song
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Yizhu He, Jialiang Zhang, Hui Zhang and Guangsheng Song
High-entropy alloys (HEAs) are novel solid solution strengthening metallic materials, some of which show attractive mechanical properties. This paper aims to reveal the effect of adding small atomic boron on the interstitial solid solution strengthening ...
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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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Elia Marin, Matteo Zanocco, Francesco Boschetto, Toshiro Yamamoto, Narisato Kanamura, Wenliang Zhu, Bryan J. McEntire, Bhajanjit Sonny Bal, Ryutaro Ashida, Osam Mazda and Giuseppe Pezzotti
The performance, durability, and bio-integration of functional biomedical coatings can be enhanced by changing or improving their substrate properties. In this study, we applied silicon nitride powder-based laser claddings to various substrates and under...
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Haiyang Wang, Song Zhang, Chunhua Zhang, Chenliang Wu, Jingbo Zhang and Adil O. Abdullah
Fe-based coatings with high V and Cr content were obtained by laser cladding using Fe-based powder with different Cr3C2 and FeV50 content. The results showed that Fe-based coatings were uniform and dense. The constituent phases were mainly composed of a-...
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Haibo Huang, Wenlei Sun, Yong Huang and Jiangtong Yu
In this study, a method based on controlling the laser spot size was proposed in the process of curved parts laser cladding, and the coatings obtained by this method were analysed through investigation of the microstructure, microhardness, adhesion prope...
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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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