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Barrel Analysis
Unread 02-01-2014, 10:43 AM   #1
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Drew Hause
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Default Barrel Analysis

It's been 9 yrs. since there was a call on the DoubleGunBBS and here "Contribute Junk To Advance Barrel Strength Knowledge" with the hope of obtaining vintage barrel samples for composition and strength testing.
The following was posted by ‘Zircon’ in 2007. Unfortunately, the testing effort apparently ended thereafter.

http://www.familyfriendsfirearms.com...p/t-55364.html

Many here have seen this thread on DoubleGunBBS
http://www.doublegunshop.com/forums/...=355898&page=1

I will have said barrels next week, and have a commercial metal testing lab nearby that utilizes scanning electron microscope (SEM) for fracture surface examination and high resolution microstructural examination, and energy dispersive x-ray spectroscopy (EDX) for chemical identification and composition analysis. They also do MagnaFlux/PD testing. I will discuss options with an engineer next week.
http://metl.com/services/

SO ONCE AGAIN, if you have a segment of pattern welded barrel, I would like to start with EDX for composition analysis, and would very much like to compare low grade Belgian Twist, mid-grade Damascus (the Remington A grade), and a high grade (?Parker Bern4, D4 or D6) barrel.

There appears to be some sort of 'Curse of the Mummy' associated with these efforts, as calamities seem to befall whoever wants to do the testing, but I've never been accused of good sense

Please e-mail me at revdoc2@cox.net if you'd like to send a chunk of barrel and thanks!
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Unread 02-01-2014, 11:07 AM   #2
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Dr.Drew, Not to worry. The curse has been broken. I have recieved the results of Parker Bros. fluid steel barrels samples. They include Trojan, Vulcan,Titanic and Parker Steel. Stay tuned for an article in a future issue of Parker Pages. Very interesting results and that is all i'm going to say....for now.
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Unread 02-01-2014, 11:39 AM   #3
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The actual analytical process? Which one is Dave?

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Unread 02-01-2014, 05:30 PM   #4
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Quote:
Originally Posted by Dave Suponski View Post
Dr.Drew, Not to worry. The curse has been broken. I have recieved the results of Parker Bros. fluid steel barrels samples. They include Trojan, Vulcan,Titanic and Parker Steel. Stay tuned for an article in a future issue of Parker Pages. Very interesting results and that is all i'm going to say....for now.
come on, sing!!
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Unread 02-01-2014, 06:14 PM   #5
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Nope....
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Unread 02-01-2014, 06:34 PM   #6
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Inquiring minds want to know.
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Unread 02-09-2014, 10:32 AM   #7
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for those who have not been following Drew's very interesting set of discussions on double gun relating to a recent barrel failure (and thanks Drew for all the effort there)

i found today's comments by Drew on page 9 of the part 2 (now up to 3 parts) to be very interesting.

it is the 6th post on page 9

http://www.doublegunshop.com/forums/...=356377&page=9
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Unread 02-09-2014, 11:13 AM   #8
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from what i read on this report seems damascus is as stout or may be stouter than vulcan steel..i am looking forward to you fellows findings...charlie
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Unread 03-14-2014, 04:55 PM   #9
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Drew,

I am delighted to see you are finally getting this important work done. Sorry I was not able to help years ago, but the equipment was always unavailable when I was in the country and tried to get time.

Yours,

Richard
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Unread 03-15-2014, 09:29 AM   #10
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Richard, Dr. Drew is doing important work with damascus barrels. I have finally been able to procur Parker Bros. fluid steel barrel sample from some very generous PGCA members and the testing has been completed. The results will be published in an upcoming issue of Parker Pages along with possibly a companion article in the Double Gun Journal. Great to hear from you here! Best as always,Dave....
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