Advances in pultruded composites for large wind turbine blades

doi:10.19936/j.cnki.2096-8000.20240728.015

Abstract

Abstract: The increasing size of wind turbine blades puts forward higher and higher requirements on the performance of composite materials. In recent years, the successful application of pultruded composite materials has been a milestone in the development of decades-long wind turbine blade manufacturing technology. With higher mechanical properties of end-products, higher production efficiency, and lower manufacturing costs, pultrusion process almost completely replaces the vacuum infusion process that has been used for more than 20 years to manufacture the main bearing spar cap of wind turbine blades. In order to sort out the research advances of pultruded composite materials in wind turbines blades and shed lights on future research for engineers and scholars in the field of composite materials in wind turbine blades, this paper summarizes the technical development and patent application from the aspects of raw materials for pultruded plates, mechanical properties of pultruded plates, pultrusion process parameters for infusion technology and defect detection method of pultruded blade spar caps.

Key words: pultrusion process, pultruded plates, composite materials, wind turbine blades, spar caps

CLC Number:

TB332

WEI Lijiang, QIU Ruilei, WANG Ganwu, XIE Bowu, LI Mingzhi, FENG Wei. Advances in pultruded composites for large wind turbine blades[J]. COMPOSITES SCIENCE AND ENGINEERING, 2024, 0(7): 116-121.

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