[TheForge] Titanium

[Chuck Robinson]

Hey Dan,
I can't be any more specific.
It was a long time ago. I just remember that the knives were limited 
distribution and very expensive compared to standard issue knives.
Chuck
----- Original Message ----- 
From: "Dan Tull" <dantull at numail.org>
To: "Sponsored by ABANA" <theforge at mailman.qth.net>
Sent: Monday, March 07, 2005 8:13 AM
Subject: Re: [TheForge] Titanium


> chuck,
> I was told by some that the only way to harden Ti was work harden.
> ----- Original Message ----- 
> From: "Chuck Robinson" <robi5515 at bellsouth.net>
> To: "Sponsored by ABANA" <theforge at mailman.qth.net>
> Sent: Sunday, March 06, 2005 10:42 PM
> Subject: Re: [TheForge] Titanium
>
>
>> Right on  Andy.
>> The knives are also used by EOD folks because it doesn't
>> affect the magnetic fields of magnetic mines and other explosive devices 
>> triggered by distorting magnetic fields.
>> The knives are also treated with a special hardening process, but being 
>> an old fart, with failing memory , I can't recall how it is done.
>> Chuck
>> ----- Original Message ----- 
>> From: "Andrew Vida" <osan at netlabs.net>
>> To: "Sponsored by ABANA" <theforge at mailman.qth.net>
>> Sent: Saturday, March 05, 2005 11:36 PM
>> Subject: Re: [TheForge] Titanium
>>
>>
>>>
>>>
>>> debmiller at fuse.net wrote:
>>>> Hey Guys,
>>>> I must admit to forgetting whether or not I asked this question.
>>>> I have a welding class with a student interested in forging a blade out 
>>>> of titanium.
>>>
>>> Just this side of useless as a cutting utensil.
>>>>
>>>> I mentioned that on this lost some people have recommended against 
>>>> titanium several times. I cannot remember why.
>>>
>>> Far too soft. 6-4 alloy used to be the hardest of them (may no longer be 
>>> the case... been a few years since I dealt with it).
>>>
>>> It makes a miserable knife compared to a good steel.
>>>>
>>>> If titanium is a potential blade material does anyone have a chunk 
>>>> roughly 2" x 8" x 1 1/2" or so that you would sell him?
>>>
>>> You also have to be a bit careful with forging the alloys.  First you 
>>> have the issues of safety WRT fumes of vanadium, which may not kill you, 
>>> but they won't help you much either.  Hot forging 6-4 is, as I recall, 
>>> best accomplished with a hydraulic press.  This can all be looked up in 
>>> a Mark's Handbook.  These alloys are not easy to forge the way CP is. In 
>>> grinding, they glaze wheels heavily.  And in the end you may have a 
>>> really nice looking, but functionally useless knife.  As I recall, 
>>> SEAL/UDT has a Ti alloy knife that they use for certain types of 
>>> operation.  I have heard that their usefulness is exceptionally limited.
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>>
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