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40 Cards in this Set
- Front
- Back
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the strongest orientation for reinforcement in composites for strength is called
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undirectional
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the making of foamed polymers is done by the process called
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expansion
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the non- combinable form of a polymer molecule is called the
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monomer
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when a thermoplastic polymer is forced through a nozzle into a mold, the process is called
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injection molding
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the three forms of a composite structure are
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particulate, laminar, and fiber
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pigments and fillers belong to the class of materials used as____ for polymers
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additives
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to make polymers, small molecules are combined to make large molecules in the form of
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rings and chains
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a one-gallon plastic milk jug would be made by the process called
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blow molding
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a sheet of plastic would probably be made by the process called
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calandering
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when a thermoset polymer is injection molded, the process is called
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Rim
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the polymer forming process most like impression die forging is called
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compression molding
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plastic trash bags are often made by the process called
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blown film
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when a polymer product has a small circle and a short nib protruding from that circle, the product was made by the process called
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injection molding
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the mickey mouse form that you made in lab was done by the process called
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vacuum forming
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vacuum forming must use a polymer of the ___ type
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thermoplastic
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transfer molding uses a polymer of the ___ type
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thermoset
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extrusion must use a polymer of the____ type
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thermoplastic
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Injection molding using thermoplastic polymers is called
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RRIM
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coloring agents, filler materials, and flame retardants are in the category of .... for polymers
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additives
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an extrusion is the intital or preprocessor for the following polymer processes:
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blow molding and blown film
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the form of polymer that can be softened due to heat without change in its chemical properties is called
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thermoplastic
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the strongest reinforcement orientation for a composite is when that reinforcement is in a.....orientation
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undirectional
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when a thermoset polymer is formed using a process very similar to closed or impression die forging, the process is called
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compression molding
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layers or reinforcement in a composite generate a composite called a...composite
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laminar
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the non-combinable form of a polymer is called the
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monomer
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putrusion is done using the polymer family called
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thermoset
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the form of polymer that can undergo large elastic strains without fracture is called
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elastomer
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EPS is made by the process called
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expansion
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a home spa or jacuzzi is made by the process called
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spray-up
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a composite pressure vessel would be made by the process called
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filament winding
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a skylight would be made by the process called
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free blowing
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a 1 gallon milk jug is made by the process called
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blow molding
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a hollow thermoplastic or thermoset ball would be made by the process called
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rotational molding
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a blister-pack for selling hardware, packing chewing gum and pharmaceutical pills would be made by the process called
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vacuum molding
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polymer molecules are made by combining elements into... and ... and combinations of these
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rings and chains
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Types of lamination
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hand lay up and spray up
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The layering of thermoset polymers and a reinforcement to create a product
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lamination
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Occurs when a softened thermoplastic polymer is forced through a die using compressive pressure
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extrusion
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polymer matrices that have an addition of another component for strength
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composite
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a group of materials characterized by large moleculres that are built from small moleculres to form chains, rings, and combinations of these
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plastics (polymers)
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