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Re: Poll: Scrap Yard SR77 vs SR101 [Re: reconseed] #288786 05/11/09 01:46 AM
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eatingmuchface Offline
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Quote
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Bruce-

I hear what you are saying - but when referring to knife toughness and strength...
SR-77 is TOUGHER and SR-101 is STRONGER.

Nope. You just flipped them again, KS! <img src="/ubbthreads/images/graemlins/doh.gif" alt="" />

Strength = resistance to bending = advantage SR77.
Toughness = resistance to impact (edge-holding) = advantage SR101.

If you want to disagree with someone, don't argue with me. Argue with Jerry Busse and Joe Talmadge. I'm using their definitions of "strength" and "toughness".

Thats it. End of thread! <img src="/ubbthreads/images/graemlins/smile.gif" alt="" /> Bruce you are right. I am with you, sorry Knotslip... Argue with BOSS H0G! <img src="/ubbthreads/images/graemlins/wink.gif" alt="" /> Bruce summed this thread up after 13 pages <img src="/ubbthreads/images/graemlins/smile.gif" alt="" /> with this sentence....

SR77 is STRONGER than SR101.
SR101 is TOUGHER than SR77.

NOT at all RS.
for one, IF "Strength = resistance to bending
Toughness = resistance to impact"
is true, than I would def. NOT give sr77 the edge (no pun intended) to sr77.
because it bends fairly easily. (and not just because of the tang, it just DOES seem to bend easier than some other steels)

I'm not even sure what "Resistance" to impact means... I would guess r101 will resist denting more than sr77, but WIll; be more brittle, so I would give sr77 the edge in toughness, because I would guess if you DID fire bullets at both, sr77 would end up bouncing more off, and only denting where sr101 would eventually shatter or break.

every time I read this I switch sides.
Bruce, maybe it's the wording... but you DID just change the def. a few times.

first it was resistance to bending, now it's how much weight it could take before breaking.
which is it?

I do think the statement "SR77 is STRONGER than SR101.
SR101 is TOUGHER than SR77." is definitely off though. (for now! lol)


JYD number 52.
Post deleted by Private Klink [Re: eatingmuchface] #288787 05/11/09 02:40 AM
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Re: Poll: Scrap Yard SR77 vs SR101 #288788 05/11/09 02:50 AM
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eatingmuchface Offline
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hmm... yes.
but that almost seems to fit in with KS's explanation?
in a way.


JYD number 52.
Post deleted by Private Klink [Re: eatingmuchface] #288789 05/11/09 02:59 AM
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Re: Poll: Scrap Yard SR77 vs SR101 #288790 05/11/09 03:02 AM
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Magnum22 Offline
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go to sleep. it's 1am in NJ.


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Re: Poll: Scrap Yard SR77 vs SR101 [Re: Magnum22] #288791 05/11/09 03:04 AM
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eatingmuchface Offline
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pshhh! I live by my own rules mag! as of this year... I no longer have a bedtime! <img src="/ubbthreads/images/graemlins/laugh.gif" alt="" />
I guess I should just drop it...
I over complicate things.


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Re: Poll: Scrap Yard SR77 vs SR101 [Re: eatingmuchface] #288792 05/11/09 03:05 AM
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Magnum22 Offline
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oh...i guess school's out?


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Re: Poll: Scrap Yard SR77 vs SR101 [Re: Magnum22] #288793 05/11/09 03:06 AM
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eatingmuchface Offline
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nope! I just rebel mag!
I might skip tomorrow! (not really)
<img src="/ubbthreads/images/graemlins/laugh.gif" alt="" />


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Re: Poll: Scrap Yard SR77 vs SR101 [Re: eatingmuchface] #288794 05/11/09 03:09 AM
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Magnum22 Offline
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that explains why you keep bumping this thread!

rebellion is good, though. boil that blood.


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Re: Poll: Scrap Yard SR77 vs SR101 [Re: Magnum22] #288795 05/11/09 12:17 PM
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Well, we're back at this thread again. <img src="/ubbthreads/images/graemlins/laugh.gif" alt="" /> Some of you guys change your minds too easily <img src="/ubbthreads/images/graemlins/laugh.gif" alt="" /> I am not one to change my mind that easily and to change my view on this I will require some significant proof. <img src="/ubbthreads/images/graemlins/smile.gif" alt="" />

Since I am not an expert on these steels and am fairly new to them - I can't say for certain which one is tougher and which is stronger from experience...so I have to draw conclusions based on what I know about blade strength and blade toughness when talking about other steels and materials. And, knowing that 77 comes from the steel used to make jackhammer bits (also called a spring steel because it is used to make coil springs)and 101 comes from a steel used to make ball bearings....I can only deduce that springs and JH bits are tougher while BB's are stronger and that same line of thinking should follow with the steels SY is using only with different HT's. So I think the following...and it is just my opinion until someone of authority can correct/confirm it:

SR-77 is softer, tougher, more flexible (spring steel), less brittle (won't crack as easily)

SR-101 is harder, stronger, less flexible/less deformable (ball bearings require strength and precision), more corrosion prone and more brittle if only slightly (cracks easier)

Which to me means that SR-77 is tougher, SR-101 is stronger and better at edge holding which is another function of hardness and strength.

I really can't tell at this point if its the definitions of the terms or the confusion about the two steels that is causing all of the discrepancies here. But, in some of my last posts - I've included links to sites that clearly demonstrate the difference between toughness (Brass, Nickel, lead, gold) and Strength (Steels and alloys) - one big difference here is hardness (softer metals are usually tougher while harder metals are stronger).

Like I stated earlier- we may never have a final answer to this... <img src="/ubbthreads/images/graemlins/smile.gif" alt="" /> <img src="/ubbthreads/images/graemlins/banghead.gif" alt="" /> <img src="/ubbthreads/images/graemlins/confused.gif" alt="" />


KS JYD #93 "Life's too short..."
Post deleted by Private Klink [Re: KnotSlip] #288796 05/11/09 12:43 PM
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Re: Poll: Scrap Yard SR77 vs SR101 #288797 05/11/09 12:54 PM
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KnotSlip Offline
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Lateral strength in terms of what? How hard it is to bend or how far it can bend without breaking/deforming?


KS JYD #93 "Life's too short..."
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