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Subject:	Phase transistions in solder joints
From:	"Sophia Johansson (EMW)" <[log in to unmask]>
Reply To:	TechNet E-Mail Forum.
Date:	Thu, 18 Jan 2001 09:23:25 +0100
Content-Type:	text/plain
Parts/Attachments:	text/plain (21 lines)

Hi,

Does anyone know if there occurs any transitions that weaken the solder
joint if the working temperature is between 80-90 C. The solder is a SnPb
63/37. Maybe the question should be put like this; is there a build up of
weak intermetallic phases at about 80C?

Kind regards,

Sophia Johansson

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