Arrhenius-Exponential Model: Difference between revisions
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{{Reference Example| | {{Reference Example|{{Banner ALTA Reference Examples}}}} | ||
This example validates the | This example validates the calculations for the Arrhenius-exponential model in ALTA standard folios. | ||
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{{Reference_Example_Heading3}} | {{Reference_Example_Heading3}} | ||
For this data set, the Arrhenius life stress relationship with an | For this data set, the Arrhenius life-stress relationship with an exponential distribution is used. The estimated activation energy value is <math>\,\!E_{a}=0.323</math>. The acceleration factor from 70°C to 35°C is 3.5. | ||
{{Reference_Example_Heading4|ALTA}} | {{Reference_Example_Heading4|ALTA}} | ||
In ALTA, the temperature values are converted from | In ALTA, the temperature values given in the book are converted from Celsius to Kelvins, as shown next. | ||
[[image:Arrhenius Exp_Folio.png|center]] | [[image:Arrhenius Exp_Folio.png|center]] | ||
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The calculated activation energy is 0.323. The acceleration factor from 70°C (343.15 K) to 35°C (308.15 K) is 3.46 as shown next. | The calculated activation energy is 0.323. The acceleration factor from 70°C (343.15 K) to 35°C (308.15 K) is 3.46 as shown next. | ||
[[image:Arrhenius Exp_QPC.png|center]] | [[image:Arrhenius Exp_QPC.png|center]] | ||
Latest revision as of 18:20, 28 September 2015
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