Cornerstone Application of Composite
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Cornerstone Composites is an engineering firm that helps manufacturers replace metal and plastic parts with stronger composite formulations. They discuss thermoset composites, which are mixtures of polymers, catalysts, and reinforcements that permanently solidify when heated. Thermosets offer benefits like high strength, stiffness, dimensional stability, and chemical resistance compared to thermoplastics and metals. They can be molded into complex shapes and replace fabricated metal parts. Examples highlighted include food preparation equipment, lighting fixtures, and unique applications.
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This document provides information about various composite materials and their properties. It discusses:
1. Thermoplastics and thermosetting polymers, giving examples like acrylic, ABS, and nylon.
2. Metal matrix composites, which consist of fibers or particles in a metal matrix. Common matrix materials include aluminum, titanium, and magnesium. Reinforcements include silicon carbide, alumina, and graphite fibers or particles.
3. Applications of composites in aerospace, automotive, and other industries due to properties like high strength and temperature resistance. However, metal matrix composites have higher costs than organic composites.polymermatrixcomposites-
polymermatrixcomposites-Bharath199390
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This document discusses various types and processing techniques for polymer matrix composites. It begins by describing hand layup and sprayup techniques for composites, as well as other processes like filament winding, pultrusion, resin transfer molding, and autoclave molding. It then discusses thermoplastic matrix composites and techniques like injection molding, film stacking, and tape laying. The document provides information on glass fiber/polymer interfaces, mechanical properties, and applications of polymer matrix composites.polymermatrixcomposites-110526080726-phpapp01-160103174810.pdf
polymermatrixcomposites-110526080726-phpapp01-160103174810.pdfdanere2178
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This document discusses polymer matrix composites. It covers types of polymer matrices including thermoset and thermoplastic polymers. Processing techniques for both thermoset and thermoplastic matrix composites like hand layup, filament winding, injection molding are described. The functions and desired properties of the polymer matrix are explained. Comparison of various polymer matrices and the effect of temperature on thermoplastics are also summarized.Composite materials technology overview andrew george
Composite materials technology overview andrew georgeWalt Maruszczak
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The document discusses composite materials and provides an overview of composites technology. It defines composites as materials made from a combination of fiber reinforcement and a polymer matrix. The document then focuses on different types of resins used in composites, specifically discussing unsaturated polyester resins which are the most commonly used thermosetting resin. It explains how unsaturated polyesters undergo polymerization during production and crosslinking during curing to solidify. The properties of the composite can be tailored by adjusting the chemical composition of the unsaturated polyester resin.CT OCT 12 Automotive High-Temp Thermoplastic Composites Layout
CT OCT 12 Automotive High-Temp Thermoplastic Composites LayoutMichael Legault
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- Longer vehicle warranties and stricter fuel economy standards are driving demand for thermoplastic composites that can withstand higher underhood temperatures over longer periods.
- Automakers are seeking parts that can operate continuously above 200属C and withstand peak temperatures over 230属C, compared to the 170-190属C capabilities of earlier thermoplastic parts.
- Thermoplastic suppliers are developing new high-temperature materials like polyamides, nylon 4/6, and polyphenylene sulfide that allow parts to withstand temperatures from 180属C up to 220属C continuously and higher temporarily.Composite Materials.pptx is best for understanding the ceramics
Composite Materials.pptx is best for understanding the ceramicsmohitsrivastavabtech
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The document discusses composite materials, which are combinations of two or more materials with different properties to achieve enhanced characteristics like strength, lightness, and resistance to various factors. It details various types of composites, their advantages and disadvantages, and challenges in their development, along with manufacturing processes and mechanical testing methods. It emphasizes applications across industries such as aerospace, automotive, and construction, showcasing how composite materials improve traditional material properties.Composite_Materials.pptx
Composite_Materials.pptxBharath199390
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Composite materials are made from two or more materials combined to produce unique properties. The materials remain separate within the composite. Most composites contain a matrix and reinforcement. The matrix binds the reinforcement and protects it while transferring stress. Composites can be classified by their matrix as polymer matrix, ceramic matrix, or metal matrix composites. Polymer matrix composites are the most common and use either thermoset or thermoplastic polymers as the matrix. Reinforcements include fibers, particles or flakes which improve the composite's mechanical properties. Composite materials are increasingly used in applications like transportation and construction due to advantages like high strength and corrosion resistance.Composite_Materials_PMCLecture1.pptx
Composite_Materials_PMCLecture1.pptxAnsarLawi
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Composite materials are made from two or more materials combined to produce unique properties. The matrix binds the reinforcement to distribute stress. Most composites use polymer, ceramic, or metal matrices reinforced with particles, fibers, or whips. They offer advantages like strength, stiffness, corrosion resistance compared to their components alone. Common composite materials include concrete, wood, and advanced materials like carbon fiber composites used in racing equipment and aircraft.Ad
Cornerstone Application of Composite
- 1. 1 2016 900 E. Vienna Avenue, Milwaukee, WI 53212 P: 414-964-5200 www.cornerstonecomposites.com
- 2. Stronger Solutions As a team of engineers, we believe that stronger solutions are always worth striving for. We help nimble, open-minded manufacturers advance their products by replacing metal and thermoplastic parts with higher performance, customized composite formulations. Core Statement
- 4. Stronger Solutions Thermoset Composites Thermoset composites often fill in the performance region between common thermoplastics and metals. PE ABS Nylon PC GFNylon PET PPS PEI PEEK Al Zinc Mg Mild Steel Hard Steel +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
- 5. Stronger Solutions What are they? Mixtures of polymer resins, catalysts and reinforcements that react and cross-link when exposed to thermal energy, hence thermoset. Close cousin to chemical set composites which cross-link at room temperature when mixed with a catalyst. As opposed to Thermoplastics, which can be melted, solidified and melted again with heat cycles, Thermosets are permanently solidified upon cross-linking. Thermoset materials get their unique properties from the formation of three-dimensional covalent bonds between the molecules cross-linking. Different from Thermoplastics, whose molecule-to-molecule bonds are largely electrostatic attractions and entanglements.
- 6. Stronger Solutions When should you use Thermoset? High Stiffness Elevated Temperatures High Strength Low Creep Structural Aesthetics Dielectric Applications Dimensional Stability Chemical Resistance
- 7. Stronger Solutions Opposed to Thermoplastics Opposed to Metals Mold to net shape no machining Consolidate parts & functions Chemical resistance Eliminate painting Lower processing costs Stiffer Stronger per $ Higher thermal performance Low shrink Low residual stress Thermal Stability Low creep
- 8. Stronger Solutions Phenolic Wood, Cotton, Mineral, Glass, Graphite Filled Granular Polyester Bulk Molding Compound Non Conductive, Conductive Sheet Molding Compound Polyester, Vinyl Ester, High Glass, Low Density Rubber Thermoplastic Material Formulations
- 9. Stronger Solutions Bulk Molding Compound (BMC) Viscous, putty-like compound for injection or compression molding Highly-filled and reinforced with short glass fibers Injection or compression-molded Glass reinforcement represents between 10% and 30% Mold in-color, or apply powder-coat or wet paint
- 10. Stronger Solutions Sheet Molding Compound (SMC) Similar chemistry to BMC Longer fiber length than BMC Glass reinforcement represents between 20% and 50% Sheathed top-and-bottom with carrier film Typically compression molded into complex shapes 400,000,000 lbs. used in automotive and heavy truck applications in 2006 (ACMA)
- 11. Stronger Solutions Use molded composite materials to replace cast, fabricated, extruded and stamped metal components: Reduce weight Reduce cost Manufacture to net shape Remove finishing operations Painting Machining Add molded-in features Consolidate components Metal Replacement Commercial Saw Table replaced extruded aluminum Base for a Commercial Food Slicer replaced cast aluminum for a savings of 50% Molded composite Hopper for wood stove eliminated a complex and costly steel fabrication
- 12. Stronger Solutions These materials retain their mechanical properties at elevated temperatures well beyond commercial thermoplastics. Virtually no creep Do not soften or melt Very high ignition temperature Are thermal insulators High Temperature Performance Oven Trays for Re-therm food preparation Small Engine Valve Cover low creep, maintains seal at elevated operating temperatures Commercial Hot-Melt Glue Gun operates at 350 Heated Products are a natural application for Thermoset Composites - with high temperature and low flammability requirements
- 13. Stronger Solutions Dielectric Applications Thermoset Composites are intrinsically dielectric: Maintain dielectric strength at elevated temperatures Often used to replace ceramics less brittle Can be used to encapsulate conductors Welder Switch high current load Engine Block Connector maintain dielectric strength at high temperature in oily, wet environment Mass Transit 3rd Rail Conductors replaces ceramic in very tough environment.
- 14. Stronger Solutions Lighting and Office Lighting is a natural market for Thermoset Composites: High temperature exposure Non-yellowing High Dielectric Thermal insulator Can be metallized for reflectors Keyboard Tray for Articulating Mechanism replaced wood composite. Very flat. Very stiff. Recessed Lighting Baffles Stylized Florescent Baffle
- 15. Stronger Solutions Food Preparation Thermosets find a natural home in the food industry: High thermal capacity FDA & NSF compliance Resistance to chemical cleaning products Replaces Stainless Steel and Aluminum Base for Commercial Deli Slicer replaced cast aluminum that required machining and polishing. Offers huge price savings. Molded Composites make an attractive, cleanable, NSF- compliant surface for buffet service
- 16. Stronger Solutions Unique Applications Pack Frame traditional material was fabricated aluminum Commercial Flooring Nailer provides toughness that aluminum could not A polymer composite Heating Element functions at 300?F. Molded from engineered phenolic composite.
- 17. Stronger Solutions Mechanical Attributes of Thermosets 0 10 20 30 40 50 60 70 80 90 100ModulusRetention% Temperature C Modulus vs Temperature Nylon (Crystalline TP) Phenolic (TS) 0 20 40 60 80 100 120 Phenolic PPS Nylon 6/6 PBT PET %DimensionRetained Compressive Creep @ 150C
- 18. Stronger Solutions Processing Molded Thermoset Composites
- 19. Stronger Solutions Andy Stroh VP Sales & Marketing astroh@cornerstonecomposites.com 414-491-5948 (C) 414-727-4221 (O) Boyd Miller President bmiller@cornerstonecomposites.com 262-470-1379 (C) 414-727-4227 (O) Bob Uhren Technical Director ruhren@cornerstonecomposites.com 414-899-6279 (C) 414-727-4241 (O) Erik Feller Quality Engineer efeller@cornerstonecomposites.com 414-702-1124 息 414-727-4223 (O) Noah Brushel VP Engineering nbrushel@cornerstonecomposites.com 414-305-7500 息 414-727-4222 (O) Tom Schueller VP Operations tschueller@cornerstonecomposites.co 414-374-2132 息 414-727-4238 (O)