steel gate forum

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Hard Time , Sunday, 15th of August 2010 05:15:04 PM

The true strain for a low carbon steel which is doubled in length by 
Hard Time
forging is a)0.307 b)0.5 c)0.693 d)1.0
 
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Penguin , Monday, 16th of August 2010 03:04:54 PM

*  
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c) 0.693  
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*True Strain  
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=log [ final length when the loading process is terminated/original  
length]  
 
=log [ 2/1 ]  
 
=log 2  
 
=0.69314718055994530941723212145818  
 
=0.693 [up to 3 Decimal ]  
 
 
 
 
 
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