Template:A-a acceleration: Difference between revisions

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(Created page with '==Acceleration Factor== <br> <br> Most practitioners use the term acceleration factor to refer to the ratio of the life (or acceleration characteristic) between the use level and…')
 
(Redirected page to Arrhenius Relationship)
 
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==Acceleration Factor==
#REDIRECT [[Arrhenius_Relationship]]
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Most practitioners use the term acceleration factor to refer to the ratio of the life (or acceleration characteristic) between the use level and a higher test stress level or:
 
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::<math>{{A}_{F}}=\frac{{{L}_{USE}}}{{{L}_{Accelerated}}}</math>
 
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For the Arrhenius model this factor is:
 
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::<math>{{A}_{F}}=\frac{{{L}_{USE}}}{{{L}_{Accelerated}}}=\frac{C\text{ }{{e}^{\tfrac{B}{{{V}_{u}}}}}}{C\text{ }{{e}^{\tfrac{B}{{{V}_{A}}}}}}=\frac{\text{ }{{e}^{\tfrac{B}{{{V}_{u}}}}}}{\text{ }{{e}^{\tfrac{B}{{{V}_{A}}}}}}={{e}^{\left( \tfrac{B}{{{V}_{u}}}-\tfrac{B}{{{V}_{A}}} \right)}}</math>
 
 
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Thus, if  <math>B</math>  is assumed to be known a priori (using an activation energy), the assumed activation energy alone dictates this acceleration factor!
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Latest revision as of 03:41, 16 August 2012

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