ALTA ALTA Standard Folio Data Eyring-Weibull - Revision history

Richard House: Redirected page to Template:WebNotes/ALTAALTA Standard Folio Data Eyring

2015-07-08T18:56:45Z

Redirected page to Template:WebNotes/ALTAALTA Standard Folio Data Eyring

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	~~\| valign="middle" \|{{Font\|Standard Folio Eyring-Weibull \|11\|tahoma\|bold\|gray}}~~
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	The Eyring relationship was formulated from quantum mechanics principles and is most often used when thermal stress (temperature) is the acceleration variable. However, the Eyring relationship is also often used for stress variables other than temperature, such as humidity.


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	~~[[File~~:~~docedit.png\|20px\|right\|link=http://www.reliawiki.com~~/~~index.php?title=ALTA_ALTA_Standard_Folio_Data_Eyring-Weibull&action=edit~~]]

Lisa Hacker at 03:46, 26 July 2012

2012-07-26T03:46:35Z

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 The Eyring relationship was formulated from quantum mechanics principles and is most often used when thermal stress (temperature) is the acceleration variable. However, the Eyring relationship is also often used for stress variables other than temperature, such as humidity.
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Athanasios Gerokostopoulos at 18:10, 16 April 2012

2012-04-16T18:10:06Z

← Older revision		Revision as of 18:10, 16 April 2012
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	\| valign="middle" \|{{Font\|Standard Folio ~~Data~~ Eyring-Weibull\|11\|tahoma\|bold\|gray}}		\| valign="middle" \|{{Font\|Standard Folio Eyring-Weibull \|11\|tahoma\|bold\|gray}}
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	The ~~ALTA standard folio~~ is used ~~to perform quantitative accelerated life testing data analysis~~. ~~In this analysis~~, the ~~engineer extrapolates a product’s failure behavior at normal conditions from life data obtained at accelerated stress levels. Since products fail more quickly at accelerated~~ stress ~~levels, this sort of analysis allows the engineer to obtain reliability information about a product (e.g.~~, ~~mean life, probability of failure at a specific time, etc.) in a shorter time~~.		The Eyring relationship was formulated from quantum mechanics principles and is most often used when thermal stress (temperature) is the acceleration variable. However, the Eyring relationship is also often used for stress variables other than temperature, such as humidity.
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Nikki Helms at 20:41, 22 March 2012

2012-03-22T20:41:07Z

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	\| [[Image:Book blue.png]]		\| [[Image:Book blue.png]]
	\| [http://reliawiki.~~com~~/index.php/~~Template:Alta_eyring-weibull#Eyring-Weibull~~ the theory textbook...]		\| [http://reliawiki.org/index.php/Eyring_Relationship the theory textbook...]
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	\| [[Image:Articleblue.png]]		\| [[Image:Articleblue.png]]

Nikki Helms at 21:07, 21 March 2012

2012-03-21T21:07:20Z

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	\| [[Image:Bulbblue.png]]		\| [[Image:Bulbblue.png]]
	\| [http://reliawiki.com/index.php/~~Template:Example:~~Eyring use example(s)...]		\| [http://reliawiki.com/index.php/Eyring-Weibull_Example use example(s)...]
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Nikki Helms at 21:00, 21 March 2012

2012-03-21T21:00:34Z

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	\| [[Image:Book blue.png]]		\| [[Image:Book blue.png]]
	\| [http://reliawiki.com/index.php/Template:Alta_eyring-weibull#Eyring-Weibull the theory textbook...]		\| [http://reliawiki.com/index.php/Template:Alta_eyring-weibull#Eyring-Weibull the theory textbook...]
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			\| [http://www.reliawiki.com/index.php/No_Article related article(s)...]
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Nikki Helms at 20:28, 21 March 2012

2012-03-21T20:28:55Z

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	~~Content 1~~		The ALTA standard folio is used to perform quantitative accelerated life testing data analysis. In this analysis, the engineer extrapolates a product’s failure behavior at normal conditions from life data obtained at accelerated stress levels. Since products fail more quickly at accelerated stress levels, this sort of analysis allows the engineer to obtain reliability information about a product (e.g., mean life, probability of failure at a specific time, etc.) in a shorter time.
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Nikki Helms at 17:05, 7 March 2012

2012-03-07T17:05:39Z

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-| [Link1 the help files...]
+| [http://help.synthesis8.com/weibull_alta8/alta_standard_folios.htm the help files...]
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 | [[Image:Book blue.png]]
 | [http://reliawiki.com/index.php/Template:Alta_eyring-weibull#Eyring-Weibull the theory textbook...]
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Nikki Helms at 17:03, 7 March 2012

2012-03-07T17:03:35Z

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	\| valign="middle" \|{{Font\|Standard Folio Data Eyring-Weibull\|11\|tahoma\|bold\|gray}}		\| valign="middle" \|{{Font\|Standard Folio Data Eyring-Weibull\|11\|tahoma\|bold\|gray}}
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	~~The <math>pdf</math> for 2-parameter Weibull distribution is given by:~~		Content 1
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	~~<math>f(t)=\frac~~{~~\beta~~ }~~{\eta~~ }{{\left~~( \frac{t}{\eta } \right)}^{\beta~~ -~~1}}{{e}^{-{{\left( \tfrac{t}{\eta } \right)}^{\beta }}}}</math>~~		{{Font\|Learn more from...\|11\|tahoma\|bold\|gray}}
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	~~The scale parameter (or characteristic life) of~~ the ~~Weibull distribution is <math>\eta </math>~~ . ~~The Eyring-Weibull model <math>pdf</math> can then be obtained by setting <math>\eta =L(V)</math> in Eqn~~. ~~(eyring):~~		\|-
	~~<br>~~		\| [[Image:Helpblue.png]]
	~~<math>\eta =L(V)=\frac{1}{V}{{e}^{-\left( A~~-~~\tfrac{B}{V} \right)}}</math>~~		\| [Link1 the help files...]
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	or:		\| [[Image:Book blue.png]]
	~~<br>~~		\| [http://reliawiki.com/index.php/Template:Alta_eyring-weibull#Eyring-Weibull the theory textbook...]
	~~<math>\frac{1}{\eta }=V\cdot {{e}^{\left( A-\tfrac{B}{V} \right)}}<~~/~~math>~~
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	~~Substituting for <math>\eta <~~/~~math> into Eqn~~. ~~(Eyrpdf)~~:
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	~~<math>f(t,V)=\beta \cdot V\cdot {{e}^{\left( A~~-~~\tfrac{B}{V} \right)}}{{\left( t\cdot V\cdot {{e}^{\left( A~~-~~\tfrac{B}{V} \right)}} \right)}^{\beta -1}}{{e}^{-{{\left( t\cdot V\cdot {{e}^{\left( A-\tfrac{B}{V} \right)}} \right)}^{\beta }}}}</math>~~
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	\| ~~valign="middle" \|~~ [~~http~~:~~//reliawiki~~.~~com/index.php/Template:Alta_eyring-weibull#Eyring-Weibull Get More Details~~...]		\| [[Image:Articleblue.png]]
			\| [Link3 related article(s)...]
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	\| ~~valign="middle"~~ \| [http://reliawiki.com/index.php/Template:Example:Eyring ~~See an~~ example]		\| [[Image:Bulbblue.png]]
			\| [http://reliawiki.com/index.php/Template:Example:Eyring use example(s)...]
	\|}		\|}

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	[[File:docedit.png\|20px\|right\|link=http://www.reliawiki.com/index.php?title=ALTA_ALTA_Standard_Folio_Data_Eyring-Weibull&action=edit]]		[[File:docedit.png\|20px\|right\|link=http://www.reliawiki.com/index.php?title=ALTA_ALTA_Standard_Folio_Data_Eyring-Weibull&action=edit]]

Nicolette Young at 17:39, 14 February 2012

2012-02-14T17:39:20Z

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	\| valign="middle" \| [http://reliawiki.com/index.php/Template:Alta_eyring-weibull#Eyring-Weibull Get More Details...]		\| valign="middle" \| [http://reliawiki.com/index.php/Template:Alta_eyring-weibull#Eyring-Weibull Get More Details...]
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	\| valign="middle" \| [Example:Eyring\| See an example]		\| valign="middle" \| [http://reliawiki.com/index.php/Template:Example:Eyring See an example]
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	[[File:docedit.png\|20px\|right\|link=http://www.reliawiki.com/index.php?title=ALTA_ALTA_Standard_Folio_Data_Eyring-Weibull&action=edit]]		[[File:docedit.png\|20px\|right\|link=http://www.reliawiki.com/index.php?title=ALTA_ALTA_Standard_Folio_Data_Eyring-Weibull&action=edit]]