tailieunhanh - Automated manufacturing of composites

Long fibre reinforced polymer composite materials have found many applications in many industries, such as aerospace, automotive, marine, wind turbine, and sports. Techniques for the manufacturing of structures used in these industries have been mainly Hand Lay Up (HLU), and Liquid Composite Moulding. While there are a few automated methods of manufacturing, such as Filament Winding and Pultrusion, these techniques are restricted to make structures that consist of surfaces of revolution, or fibres that are aligned only along one direction. The conventional methods of manufacturing of composites are therefore very restricted, either in slow rate of production, or in the shapes of structures that can be made. The advent of Automated fibre Placement (AFP) machines and automated tape lay up machines have brought forward new capabilities where structures of different shapes may be manufactured at relatively higher speeds. This paper presents an overview of the applications of AFP for the processing of structures made from thermoset matrix and thermoplastic matrix composites. Advantages and disadvantages, along with issues associated with the use of this new technique in the processing of each type of material will be discussed. | PHYSICAL SCIENCES ENGINEERING Automated manufacturing of composites Van Suong Hoa Concordia Center for Composites CONCOM Department of Mechanical Industrial and Aerospace Engineering Concordia University Canada Received 13 September 2017 accepted 26 January 2018 Abstract Long fibre reinforced polymer composite materials have found many applications in many industries such as aerospace automotive marine wind turbine and sports. Techniques for the manufacturing of structures used in these industries have been mainly Hand Lay Up HLU and Liquid Composite Moulding. While there are a few automated methods of manufacturing such as Filament Winding and Pultrusion these techniques are restricted to make structures that consist of surfaces of revolution or fibres that are aligned only along one direction. The conventional methods of manufacturing of composites are therefore very restricted either in slow rate of production or in the shapes of structures that can be made. The advent of Automated fibre Placement AFP machines and automated tape lay up machines have brought forward new capabilities where structures of different shapes may be manufactured at relatively higher speeds. This paper presents an overview of the applications of AFP for the processing of structures made from thermoset matrix and thermoplastic matrix composites. Advantages and disadvantages along with issues associated with the use of this new technique in the processing of each type of material will be discussed. Keywords Automated fibre Placement automated tape lay up automation composite materials composite structures manufacturing thermoplastic matrix composites thermoset matrix composites. Classification number Email hoasuon@ Introduction Previous manufacturing methods A common method for the manufacturing of composites is HLU. The stacks of the thermoset matrix composite materials deposited by HLU are cured either at room temperature for the case of glass polyester composites