Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Hechen Liu"'
Publikováno v:
Polymer Testing, Vol 137, Iss , Pp 108528- (2024)
Petroleum-based epoxy resin is commonly used in electrical equipment due to its outstanding performance and affordability. However, its non-melting characteristics present challenges for recycling, leading to significant resource waste and environmen
Externí odkaz:
https://doaj.org/article/3d758ff59e6e4ea9822a8dc7f0711c40
Publikováno v:
High Voltage, Vol 8, Iss 3, Pp 590-598 (2023)
Abstract Composite cross‐arms have the advantages of high lightning resistance but impose onerous requirements on mechanical and insulation reliability. Traditional glass fibre composites fail to meet the needs of practical applications. Basalt fib
Externí odkaz:
https://doaj.org/article/9db409691741455a8ab3435ecacb7e58
Autor:
Hechen Liu, Zhanglin Sun, Liwei Wei, Yunpeng Liu, Songsong Zhou, Qi Ge, Chang Liu, Xinyang Li
Publikováno v:
Polymer Testing, Vol 126, Iss , Pp 108145- (2023)
Traditional thermosetting epoxy resins are widely applied in many fields due to their excellent performance. However, stable internal crosslinked networks hinder the repair of epoxy resins damaged during the operation and the recycling of decommissio
Externí odkaz:
https://doaj.org/article/3c973a3b0a9a49ba8818bf6bc32ad282
Publikováno v:
High Voltage, Vol 8, Iss 1, Pp 38-47 (2023)
Abstract Basalt fibre composite materials have shown good application prospects in electrical equipment, but their reliability can be affected by damp‐heat ageing. In this work, the interface, mechanical, and electrical properties of basalt fibre c
Externí odkaz:
https://doaj.org/article/ba6a6e59d9374cb8b87b78e791c9c3bd
The curing characteristics and properties of bisphenol A epoxy resin/maleopimaric acid curing system
Publikováno v:
Journal of Materials Research and Technology, Vol 21, Iss , Pp 1655-1665 (2022)
Epoxy resins are widely used as insulation materials for power systems and are mainly prepared from petrochemical materials, which have the disadvantage of being non-recyclable and environmentally harmful. In this paper, the maleopimaric acid (MPAc)
Externí odkaz:
https://doaj.org/article/4b0c6ea2cc2141849bd31589ac28054f
Autor:
Long Ma, Xiaotao Fu, Lincong Chen, Xiaolin Chen, Cong Zhang, Xinran Li, Wei Li, Fangda Fu, Chuanfu Fu, Taobei Lin, Wensheng Mao, Hechen Liu
Publikováno v:
Polymers, Vol 15, Iss 17, p 3576 (2023)
This paper presents a study that conducted 5000 h of multi-factor aging tests on 10 kV composite crossarms, considering the natural environment in coastal areas and actual power line operations. Various aging conditions, such as voltage, rain, temper
Externí odkaz:
https://doaj.org/article/e21aa86a697a4f3e81d8363570906713
Publikováno v:
High Voltage, Vol 6, Iss 2, Pp 242-254 (2021)
Abstract In recent years, electrical breakdown accidents for composite cross‐arms in rain‐impacted environments have occurred which might be ascribed to the degradation of the tube–internally insulated foam materials interface. This research ha
Externí odkaz:
https://doaj.org/article/b5cce2bd36394c878b63705c5adc7e4b
Publikováno v:
IEEE Access, Vol 8, Pp 121119-121126 (2020)
Space charge is one of the main causes of electrical tree initiation in high-voltage cable insulation. To investigate the influence of DC pre-stress on the space-charge distribution of cross-linked polyethylene (XLPE), a two-dimensional needle-plate
Externí odkaz:
https://doaj.org/article/14732661681541d481905f760ab9520b
Publikováno v:
Polymers, Vol 14, Iss 18, p 3867 (2022)
Epoxy resin insulation materials are mainly derived from petrochemical materials which have the disadvantages of resource consumption and environmental pollution. In order to cure bisphenol A epoxy resin, a maleopimaric anhydride (MPA) curing agent w
Externí odkaz:
https://doaj.org/article/12e69b7638a94ef1ab51c3e7b21b4a77
Publikováno v:
Nanomaterials, Vol 12, Iss 19, p 3344 (2022)
Bird pest control has become a major task for the operation and maintenance of distribution network lines. Epoxy resin that cures quickly at room temperature can be used to coat locations where birds frequently build their nests. However, epoxy resin
Externí odkaz:
https://doaj.org/article/cf45591bfbc648a4a90decabe74aa70a