Core materials: The basics - CompositesWorld
WEBFeb 20, 2020 · Core materials: The basics. Core materials available for composite sandwich structures range from paper, aluminum and thermoplastic honeycomb cores to foams and more. Editor’s note: This content was originally published on NetComposites.com. NetComposites was acquired by CompositesWorld’s parent company, Gardner Business Media, in February ...
Polyester resins: The basics - CompositesWorld
WEBFeb 2, 2020 · It is usual to refer to unsaturated polyester resins as “polyester resins,” or simply as “polyesters.”. There is a whole range of polyesters made from different acids, glycols and monomers, all having varying properties. There are two principle types of polyester resin used as standard laminating systems in the composites industry.
Automated Tape Laying (ATP) / Automated Fiber Placement (AFP)
WEB3 days ago · These robotic technologies precisely lay down continuous fibers or tape onto molds or mandrels to create intricate, high-performance composite components. ATP involves the automated placement of composite tape, while AFP handles the precise laying of individual tows of fibers. Autoclave.
Nondestructive inspection methods available to composites …
WEBNov 27, 2023 · Nondestructive inspection (NDI) is standard practice in industry and is fundamental to any manufacturing quality assurance (QA) program. There are a wide variety of methods to choose from, and sometimes more than one method may need to be employed to fully understand the type, size, location and depth of flaws and defects found in …
Materials & Processes: Tooling for composites
WEBMar 23, 2016 · A key issue with tooling for composites is the phenomenon of coefficient of thermal expansion (CTE) mismatch. Here, composite tooling has the advantage over metals. Composite tools made from tooling prepregs have a CTE close to the part CTE. During cure, shrinkage and thermal expansion of the tool and part will be very similar.
Additive manufacturing/compression molding technology for next ...
WEBMar 19, 2021 · KraussMaffei Composites Technology Overview During this webinar, the audience will be introduced to a variety of fiber composite technologies — as well as the machines and equipment — from short fibers to continuous fibers, from thermoset to thermoplastic, as well as the according process technology, including a special focus on long-fiber injection (LFI) and structural composite spray (SCS).
Vacuum bagging: The basics - CompositesWorld
WEBFeb 20, 2020 · The maximum compaction pressure available at sea level with a perfect vacuum bag is 14.7 psi (29.92 inches or 760 millimeters of mercury.) This maximum available pressure drops approximately 0.5 psi (1 inch or 25.4 millimeters of mercury) for each 1,000 foot gain in altitude. The routes for extraction of gases and resins is …
Materials & Processes: Composites fibers and resins
WEBMar 14, 2016 · Updated 6/30/2022 Published 3/14/2016. Materials & Processes: Composites fibers and resins. Compared to legacy materials like steel, aluminum, iron and titanium, composites are still coming of age, and only just now are being better understood by design and manufacturing engineers. However, composites’ physical properties — combined with ...
The future of composites: The next generation
WEBJul 1, 2019 · The future of composites: The next generation. Columnist Dale Brosius reflects on what professional societies like SPE and SAMPE are doing to engage the next generation of composites leaders. Dale Brosius , Contributing Writer, Institute for Advanced Composites Manufacturing Innovation (IACMI)
Filament winding, reinvented - CompositesWorld
WEBNov 1, 2018 · Filament winding, one of the oldest composite manufacturing processes, was used to produce solid rocket motor cases after World War II. By the early 1960s and ‘70s, commercial winding machines were also being used to fabricate fiber-reinforced pipes, pressure vessels and streetlight poles.