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Long fiber reinforced thermoplastic composites have various distinct properties that result in beneficial product advantages. These advantages, alone or in combination, give compelling reasons to use long fiber composites in a wide range of applications.
Long fiber composites are the apex of injection moldable thermoplastic structural performance. In a single material, they combine high levels of stiffness, strength, and toughness. There is no other way of reinforcing melt processable thermoplastics that can match their performance trifecta of critical qualities.
Long fiber composites are frequently chosen as metal equivalents, replacements for underperforming plastics, or alternatives to higher cost engineering polymers through up-engineering of lower cost plastics due to their excellent mechanical performance qualities.
Adding fiber reinforcement to ductile thermoplastic polymers increases modulus significantly. This modulus gain, when paired with proper component design such as uniform walls, underlying ribs and gussets, and gussets instead of thick wall cross-sections, greatly increases stiffness in molded goods.
Gains in stiffness from fiber reinforcement translate into improved performance at high temperatures. Heat deflection temperatures (HDT), which indicate short-term load bearing capabilities, are much higher in fiber-reinforced materials than in unmodified polymers.
Longer reinforcing fibers with a greater aspect ratio offer enhanced strength to long fiber composites, which translates into the capacity to resist deformation or creep under loads and higher fatigue endurance with little compression. More surface area on the fiber filaments allows the ductile polymer to grip on.
Stiffer polymers are typically brittle. The larger length of reinforcing fibers in long fiber composites, however, flips the comparison. The fiber reinforcement’s greater aspect ratio allows for more efficient energy transmission between the polymer and fiber filaments upon impact.
The tangled network of long fiber also helps to dissipate such stresses throughout the composite structure rather than keeping them concentrated in one spot.
Long fiber composites are among the most lasting injection molding plastic materials with structural properties due to their increased toughness.
They are appropriate for applications that are subjected to repetitive impact stresses yet must preserve their shape without irreversible deformation or functional degradation. Superior energy dissipation improves their ability to dampen sound and vibration.
Polymer ductility, along with a larger fiber aspect ratio in long fiber composites, allows them to retain better durability at low and high temperatures than other forms of reinforced plastics.
Long fiber composites usually have the same impact performance at room temperature. The morphology of the polymer and its glass transition temperature correspond to elevated or high temperature performance, although a long fiber reinforced thermoplastic will preserve more of its structural performance than an unreinforced or short fiber reinforced plastic.
The modulus increase provided by long fiber reinforcement boosts the heat resistance of the composite. Composites with fiber reinforcement retain better mechanical performance at higher temperatures and closer to the polymer’s glass transition temperature (Tg) than composites without fiber reinforcement.
The Global Long Fiber Composites Market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
Navient Corporation, a producer of specialized and sustainable material solutions and services, announced the addition of its first long fiber reinforced thermoplastic composite production line in Asia.
The new line was erected at Avient’s Asia regional headquarters to assist in meeting the rising demand for composite materials in applications requiring high impact strength, elastic modulus, and material strength.
As the composites industry shifts away from traditional materials like aluminum alloy or steel and towards long fiber composites, there is a growing demand for an integrated strategy that involves material formulation, component design, and forming process.
The new manufacturing line, when combined with engineering assistance and design for manufacturability services from Avient Design, provides local clients with an efficient and agile setup that benefits them.
Complete and OnForce composites offer structural properties that give stiffness, strength, and toughness, making them excellent metal substitutes. Using these composites as a metal substitute also results in considerable weight savings, as well as the time and cost advantages of single-step injection molding.
Furthermore, Avient Design’s team of specialized industrial designers and project engineers has comprehensive expertise of both materials and molding. They are well-equipped to give customers critical insights into design and materials, allowing them to create game-changing products that can fulfill the industry’s ever-changing requirements.
These Complt and OnForce formulations may be adjusted to satisfy specific application needs by utilizing a number of engineering resins, including polypropylene (PP) and acrylonitrile butadiene styrene (ABS).
