Problem 24.17 A mechanical component is subjected to a mean stress of 100 N/mm and a standard deviation of 10 N/mm. The material of the component has a mean strengih of 130 Nmm and a standard deviation of 15 N/mm?. 1) Find the probability of failure for the сотроnent.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Problem 24.17
A mechanical component is
subjected to a mean stress of 100 N/mm and a
standard deviation of 10 N/mm. The material of
the component has a mean strength of 130 Nhmm
and a standard deviation of 15 N/mm.
() Find the probability of fallure for the
соmponent.
(ii) If better mamufaeturing control reduces the
standard deviation of material strength to 10
N/mm?, find the probability of failure.
(iii) If we consider only mean values of the data
in design, find out the factor of safety:
Transcribed Image Text:Problem 24.17 A mechanical component is subjected to a mean stress of 100 N/mm and a standard deviation of 10 N/mm. The material of the component has a mean strength of 130 Nhmm and a standard deviation of 15 N/mm. () Find the probability of fallure for the соmponent. (ii) If better mamufaeturing control reduces the standard deviation of material strength to 10 N/mm?, find the probability of failure. (iii) If we consider only mean values of the data in design, find out the factor of safety:
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