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  1. Thread: Hey Cliff

    by me2
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    1,034

    There are still quite a few things we dont know. ...

    There are still quite a few things we dont know. The plate Spyderco uses may already come with as much as 90% cold work. (100% is an unachievable limit). The (evidently) very rapid work hardening...
  2. Thread: Hey Cliff

    by me2
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    27
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    1,034

    It's fairly well documented that grinding of...

    It's fairly well documented that grinding of metals is a machining process similar to milling, just on a microscopic level. It's also known that machining produces a highly cold worked/work hardened...
  3. Thread: Hey Cliff

    by me2
    Replies
    27
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    1,034

    Yes, many. I just dont think any are correct.

    Yes, many. I just dont think any are correct.
  4. Thread: Hey Cliff

    by me2
    Replies
    27
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    1,034

    H1 is an odd bird. As you can see above, I've...

    H1 is an odd bird. As you can see above, I've made good, but wrong guesses before. The hardness tests were taken as microhardness tests starting at the edge and moving away, toward the spine. At...
  5. Thread: Hey Cliff

    by me2
    Replies
    27
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    1,034

    That could be possible with very quick heating...

    That could be possible with very quick heating and cooling methods, like salt pots or induction hardening. I've read of some accidental differential hardening on VERY thin blades in 1095. However,...
  6. Thread: Hey Cliff

    by me2
    Replies
    27
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    1,034

    I have been pretty vocal about my notion of...

    I have been pretty vocal about my notion of what's going on in H1; that notion being that, based on internet posts and other sources of information, I believe it to be a precipitation hardened alloy...
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    I generally sharpen my knives about 3 degrees per...

    I generally sharpen my knives about 3 degrees per side lower than the microbevel. I've been doing it since I read about it in Leonard Lee's book The Complete Guide to Sharpening. I generally use an...
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    What are you using it to do? If you're peeling...

    What are you using it to do? If you're peeling and coring veggies and such, I'll go against the majority and say the 15 degree per side slot. Of course my grandmother would use paring knives to...
  9. Ok, now it's my turn to snort Coke and whiskey...

    Ok, now it's my turn to snort Coke and whiskey out my nose (not really, this is South Carolina, where Pepsi comes from). I don't think I've ever seen this directed at Cliff's writings, and I've been...
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    Oh, for what it's worth, good to see Thombrogan...

    Oh, for what it's worth, good to see Thombrogan back around.

    I have found the rods don't really wear out, though my old brown ones developed a slight dish. What gets mine are chips on the...
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    Some steels have that same kind of peak/trough...

    Some steels have that same kind of peak/trough behavior, some have a wider peak, some just a plateau. Some indeed have 2 peaks. It is steel specific, though some trends can be found.
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    Somewhere, either here or on BFC, I remeber...

    Somewhere, either here or on BFC, I remeber reading Spyderco holds the hardness of their blades to a fairly tight tolerance, enough so that it drives some of their suppliers overseas up a wall. If...
  13. Replies
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    Honestly, do you even read the stuff you...

    Honestly, do you even read the stuff you reference or the tests you say have an agenda? Whittling isn't a valid test? Now who's trying to define the tests to favor what they want? Knives aren't...
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    See my comments in blue above. Workingedge,...

    See my comments in blue above.

    Workingedge, non-abrasive media tends to be stronger and require more force, though not always. Lower edge angles cut these materials with less effort, and more...
  15. Replies
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    So what happens when I choose whittling and one...

    So what happens when I choose whittling and one can take a 6 dps edge without collapsing while the other needs 13-14 dps? The thinner edge (White #2, unless there's something drastically wrong with...
  16. Replies
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    Optimum angle varies with the medium being cut. ...

    Optimum angle varies with the medium being cut. How do you define optimum angle? I know how I would, but you can't say test at an optimum angle then talk about a good compromise.

    Ankerson, it...
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    So what test and what is the optimum angle for...

    So what test and what is the optimum angle for something like White #2 @ 60-62 HRc vs 154CM at 59-61. As noted above, angle is only one aspect.
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    I will say I became interested in lower edge...

    I will say I became interested in lower edge angles and lower carbide steels after some CATRA edge testing that showed the benefit of both compared to higher carbide steels at more conventional edge...
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    It's all relative. The fact that we're on a...

    It's all relative. The fact that we're on a knife based message board at all is absurd to most people. You can't skin/slice faster. That has much more to do with individual skill. What you can do...
  20. Right. Where did that come from?

    Right. Where did that come from?
  21. Where did your information come from? I was...

    Where did your information come from? I was doing research on it ayear or so ago, and info was surprisingly scarce, except from Spyderco.
  22. Thread: Sharpening Choil

    by me2
    Replies
    34
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    1,079

    I've been adding them with the medium SM...

    I've been adding them with the medium SM triangles. I keep the notch small, the depth of the sharpening bevel or less. Also, I keep the bottom at 90 to the edge and the top @ 60. This letsthings...
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    Just for fun, Jackknifeh, try your test again and...

    Just for fun, Jackknifeh, try your test again and see if the results switch. I am not familiar with the XHP steel, but when testing some H1 vs. 420HC, my results swapped back and forth a couple of...
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    0.09"/roughly 3/32" thick at the spine.

    0.09"/roughly 3/32" thick at the spine.
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    I find it interesting that this occurs, and I...

    I find it interesting that this occurs, and I suspect there is a term for it, but for now I'll call it source bias. When Cliff says his testing indicates low carbide/low wear resistance steels cut...
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