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  • Modulus of Elasticity
    Modulus of Elasticity is the measurement of stiffness and rigidity of spring material, or its elastic ability. The higher the value (modulus), the stiffer the material. Conversely, materials with lower values are more easily bent under load. The Modulus (G) for extension and compression springs
  • Medical Device Link .
    to support the high-power integrated circuits (ICs), such as graphic chip sets and memory dies, that make possible the extension of electronic capabilities. PCBs now impose limitations relating to their thermal conductivity, coefficient of thermal expansion (CTE), weight, and rigidity. Several
  • Medical Device Link .
    a measure of material stiffness is typically several hundred thousand pounds per square inch (psi) for many unreinforced thermoplastics; in contrast, the flexural modulus of aluminum is 10 million psi. Many applications require the rigidity of metals and thus cannot use these unreinforced
  • Flexture Testing
    or sample, which is supported at both ends. Flexural strength, fiber strength, or modulus of rupture (MOR) is reported in these tests. Material properties can vary based upon the direction that stress is applied. For instance, concrete is very strong in compression, but weak in tension. Depending
  • The ABCs of ABS
    dispensers from Manitowoc Ice Inc., Manitowoc, Wis., come from Lustran 456 resin. The opaque, matte-gloss ABS resin has a tensile yield stress of 1,900 lb/in. , a flexural yield stress of 4,100 lb/in. , and a flexural modulus of 173,000 lb/in. The aftermarket golf-cart top from Primex Plastics Corp., Oakwood
  • Cool running
    , run at temperatures between 90 to 100 F. The bearings incorporate ceramic (silicon-nitride) taperedrolling elements in a precision-class bearing. Ceramic has a modulus of elasticity 50% greater than steel, which boosts bearing rigidity. The material also has a
  • Compact pumps offer higher flow
    . "Close proximity helps eliminate the effect of bulk modulus and reaction time, " says Archer, and minimizes time lag between an input signal from the operator and a change in flow at the pump. Quiet operation is essential to meet vehicle regulatory requirements and reduce operator fatigue. To minimize

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