Results 1 to 10 of about 375,121 (181)

Effect of HfC Addition on Microstructure and Wear Resistance of CoCrFeNiTi Coatings Fabricated by Laser Cladding. [PDF]

Materials (Basel)
HfC possesses high hardness, high melting point, and excellent thermal stability, and is regarded as an important wear-resistant reinforcing phase material. In this study, the laser cladding technique was employed to fabricate CoCrFeNiTi and CoCrFeNiTi/HfC composite coatings on the surface of Q235 substrate.
Zheng J, Luo F, Li X, Zhan X, Gao C, Huang J.   +5 more
europepmc   +3 more sources

Wind tunnel ablation behaviors and synergistic effect of the Ir/HfC coating

Journal of Materials Research and Technology
An Ir/HfC composite anti-ablation coating was designed by combining the oxygen barrier property of Ir with the ablation resistance of HfC. The Ir/HfC coating was prepared on graphite and was subjected to an ablation test in a plasma wind tunnel.
Fayuan Li, Li’an Zhu, Zhen Wang, Yicong Ye, Shuxin Bai, Quancai Zhang, Shun Li, Zhouran Zhang, Yu Tang   +8 more
doaj   +2 more sources

Investigation of the SHS process initiation in the base mixture during HFC heating and the dependence of the combustion rate on various factors [PDF]

E3S Web of Conferences, 2021
This work is devoted to the study of promising materials - liquid-phase systems aluminum-boron oxide. These materials after SHS process form a boride coating that provides high strength and wear resistance of steel parts.
Malikov Vladimir, Ishkov Alexey
doaj   +1 more source

THE USE OF CUMNCO BRAZING ALLOY FOR THE FORMATION OF AN ADHESIVE LAYER, LAYERED COMPOSITE COATING (CUMNCO-TINIZR) BY HIGH-SPEED FLAME SPRAYING WITH FINISHING HIGH FREQUENCY CURRENTS (HFC) TREATMENT COATING (CUMNCO-TINIZR)-SUBSTRATE (ST45) TO INCREASE ADHE

International Journal of Advanced Studies, 2022
The article takes into account the technological structure according to the structure of the formation of composite coating layers on the substrate surface, consisting of an adhesive layer, which is a CuMnCo solder, and an essentially functional layer ...
Etibar Yusif Ogli Balaev, Dmitriy A. Klepikov, Vladimir N. Eliseev, German V. Shilov   +3 more
doaj   +1 more source

Comparative analysis of wear resistance of thermodiffusion coatings obtained using the HFC melting method [PDF]

E3S Web of Conferences, 2023
When using HFC welding, an important problem is the selection of a suitable surfacing material. The main criterion for this selection is the wear resistance of the resulting coating.
Rozhkov Yuri
doaj   +1 more source

ZrC, HfC, and ZrC/ZrxSiy coatings prepared via molten salt Solid–Liquid two-phase diffusion method and ablation properties

Journal of Materials Research and Technology, 2022
ZrC, HfC, and ZrC/ZrxSiy composite ceramic coatings were prepared on the surface of carbon-matrix composites via molten salt solid–liquid two-phase diffusion to improve the ablation resistance of the C/C composites.
Nanjun Deng, Wei Sun, Xiang Xiong, Hongbo Zhang, Yurong Xu, Xuan Lv   +5 more
doaj   +1 more source

Synthesis and properties of electroless Ni–P-HfC nanocomposite coatings

Materials Chemistry and Physics, 2022
Scopus
Mohammad Farhan, Osama Fayyaz, Muddasir Nawaz, Ahmed Bahgat Radwan, R.A. Shakoor   +4 more
openaire   +2 more sources

Ablation behavior of C/C–Zr1-xHfxC-SiC composites under an oxyacetylene flame at above 2500 °C

Journal of Materials Research and Technology, 2023
In order to enhance ablation resistance of C/C composites, Zr1-xHfxC and SiC were introduced into C/C composites, and ablation behavior of the composites was studied.
Xiaoyang Jiao, Qinchuan He, Mingcong Qing, Yiqun Wang, Xuemin Yin   +4 more
doaj   +1 more source

A novel HfSiO wire drawing phenomenon after ablation of SiCnws/HfCSiC coating on C/C composites

Journal of Materiomics, 2020
A SiCnws/HfCSiC coating was fabricated by a two-step chemical vapor deposition. After introducing SiC nanowires, the fracture toughness of HfCSiC coating increases by 228%.
Mingde Tong, Qiangang Fu, Shuotian Yao, Tianyu Liu, Tao Feng, Dou Hu, Lei Zhou   +6 more
doaj   +1 more source

Effect of solid oxidation products on the ablation mechanisms of ZrC and HfC based coatings above 2000°C

Journal of Materials Research and Technology, 2023
Solid and liquid oxidation products have been considered to be the key issues to influence the ablation resistance of UHTCs coatings. However, the effect of solid oxidation products on the ablation performance is not clear.
Yixiang Xu, Xiaohui Pan, Shansong Huang, XueTing Xu, Yaran Niu, Xin Zhong, Xuebin Zheng   +6 more
doaj   +1 more source