what I miss? is it 650 method 2.4.3 got many of the test methods
(ductility, flex, fatigue, etc,etc)? if the qual is done properly and
material is no change (no change of vendor for example), why it fail? I
must miss something here...
jk
-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Vladimir Igoshev
Sent: Tuesday, October 04, 2005 12:14 PM
To: [log in to unmask]
Subject: Re: [TN] Copper Ductility Characterization
Hi Werner,
It could be the case, but since the problem is the batch related, then I'd
also look at the mechanical properties/composition of the material.
Regards,
Vladimir
Vladimir Igoshev, Ph. D.
Senior Materials Researcher
Research in Motion
451 Phillip St.
Waterloo, ON, N2L 3X2
Voice: (+1) 519-888-7465, ext. 5283
Fax: (+1) 519-886-0863
E-mail: [log in to unmask]
-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Werner Engelmaier
Sent: Tuesday, October 04, 2005 11:51 AM
To: [log in to unmask]
Subject: Re: [TN] Copper Ductility Characterization
Hi Arnaud,
I am getting more convinced that your problem has little to do with Cu
property changes, but a design with a stress concentration.
Werner
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