Forum: Reliability & Maintainability Questions and Answers

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Posted by: Edmund
Date posted: Wed Aug 20 7:55:12 US/Eastern 2003
Subject: Failure Definition & Scoring Criteria (FDSC)
Message:
My project is proceeding into Reliability Demonstration phase so there is a need to develop the FDSC document for failure sentencing. Is there a Military Standard for developing FDSC. The contractor recommended to follow the M1E1 tank FDSC which says that Mission Reliability Factor (MRF)= Failure Criticality Number x Probability of mission to be chosen.
There are 2 sets of requirements in my project namely Mission Abort (MA)and Mission Affecting Failures (MAF) to be fufiled. The MRF will not always results in 1 chargeable failure depending on the mission probability and failure criticality. I would like to query is this the acceptable approach to develop FDSC in the military? If not how do i charge MRF=1 for every chargeable failure? Please advise! Thanks alot

Replies:
Reliability definitions
bwd Tue Nov 4 13:24:45 US/Eastern 2003

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Posted by: Satish Subramanian (rag4564sho@hotmail.com )
Organization:Proton Energy Systems
Date posted: Tue Aug 19 8:37:37 US/Eastern 2003
Subject: Risk Priority Number
Message:
I was looking to get benchmark numbers on the Risk Priority Number for air-conditioning systems, commercial appliances etc.

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Posted by: Kouroush Fassihi (kouroush@reliass.com )
Organization:RELIASS
Date posted: Fri Aug 15 14:49:15 US/Eastern 2003
Subject: Reliability & Safety
Message:
Having been involved in Reliability & safety Software Market since 1993, I would like to hear from organisations who are interested in seeing a UK Chapter of System safety Society and are willing to help.

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Posted by: Richard Smith
Date posted: Thu Aug 7 13:32:45 US/Eastern 2003
Subject: Wirebonding Reliability/Testing
Message:
I am looking for a web resource that may have information regarding wirebonding reliability, and accelerated testing or ageing processes. In particular, any information pertaining to aluminum wire being bonded to gold plating on a ceramic substrate would be very helpful.
Thanks in advance.

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Posted by: Munal
Date posted: Fri Aug 1 2:27:52 US/Eastern 2003
Subject: Reliabiltiy Vs Durability Vs Life
Message:
Can you please help me out regarding this.
In TS16949 - It is given that the company has to establish targets for these. So What is the difference between these three. And for bearing, How can we put the target for these three?

Replies:
Reliability Definitions
B.W.Dudley Wed Aug 6 13:48:26 US/Eastern 2003

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