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Subject:	Re: NTC: Re: [TN] Solder Data Question
From:	"Fox, Ian" <[log in to unmask]>
Reply To:	TechNet E-Mail Forum <[log in to unmask]>, Fox, Ian
Date:	Thu, 1 Sep 2011 15:16:12 +0100
Content-Type:	text/plain
Parts/Attachments:	text/plain (261 lines)
We metallurgists of course can also tell platinum blonde from common
ore. A meteorologist however can tell weather............ 

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of David D. Hillman
Sent: 01 September 2011 13:39
To: [log in to unmask]
Subject: [TN] NTC: Re: [TN] Solder Data Question

Yes, we metallurgists may struggle on occasion with chemistry but at
least we have the speed of Dark calculated before our senior year in
college.

And yes, our work environment here is Rockwell is as crazy as Doug and I
make it out to be..............


Dave



Douglas Pauls <[log in to unmask]> 
Sent by: TechNet <[log in to unmask]>
09/01/2011 07:31 AM
Please respond to
TechNet E-Mail Forum <[log in to unmask]>; Please respond to
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To
<[log in to unmask]>
cc

Subject
Re: [TN] Solder Data Question






You know, this is EXACTLY why you don't let a metallurgist near
chemicals. 

 Not a single one of them passed first year chemistry.

Everyone knows that IC is calculated in cubic slugs per newton-moles.
Bev, 

back me up on this.

Doug Pauls



"David D. Hillman" <[log in to unmask]> 
Sent by: TechNet <[log in to unmask]>
09/01/2011 07:13 AM
Please respond to
TechNet E-Mail Forum <[log in to unmask]>; Please respond to
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Subject
Re: [TN] Solder Data Question






Hi Inge - yep, I try to use the SI system as much as possible, if for no

other reason than to confuse Doug - he was trying to measure some IC 
results in fortnights per stone last week! And I was being lazy on the 
density as I figured the value existed without me having to do the 
calculation.  Technet has produced 2 values for me so I appreciate 
everyone's assistance.

Dave



Inge Hernefjord <[log in to unmask]> 
08/31/2011 04:27 PM

To
TechNet E-Mail Forum <[log in to unmask]>, [log in to unmask]
cc

Subject
Re: [TN] Solder Data Question






Dave, 
Mike Fenner has a great super solder map from his Indium time. If he
does 
not answer, I'll look in my pile, but it will take time. You use kg/m3 !

Are you really a american? 
 
You can calculate yourself:
 
1/q = Ftin/Qtin + Flead/Qlead
 
in wich  F is the mass fraction and Q is the density of the respective 
elements
 
For more elements, just add :
 
1/Qalloy = Felement1/Qelement1 + Felement2/Qelement2 + etc
 
all must be in solid state at +20C
/Inge

On 31 August 2011 14:08, David D. Hillman <[log in to unmask]>

wrote:
Hi folks - does anyone have the density value (kg/m3) for SAC305 at
245C?


Dave Hillman
Rockwell Collins
[log in to unmask]

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