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Thread: Unexpected Hamon

  1. #11
    Heat it and beat it Bruno's Avatar
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    Btw, why would you quench spine down?
    The edge is the business end. That's the most important bit, so it should go in first.
    skipnord likes this.
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    Lookin like a crim baldy's Avatar
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    I've heard it recommended a few times, Bob Allman is one who does it that way
    "I aint like that no more...my wife, she cured me of drinking and wickedness"
    Clint Eastwood as William Munny in Unforgiven

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    The Great & Powerful Oz onimaru55's Avatar
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    Quote Originally Posted by Bruno View Post
    Yes, it will.
    And if you used a polishing stone, it would as well. It won't jump out at you, but it will definitely show itself clear as day when held to the light.
    +1 .. The Iwasaki I restored was showing quite early & on reaching 2000 wetndri was very prominent.

    Grant, are you planning on making it feature of the blade ?
    “The white gleam of swords, not the black ink of books, clears doubts and uncertainties and bleak outlooks.”

  4. #14
    Heat it and beat it Bruno's Avatar
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    Quote Originally Posted by onimaru55 View Post
    +1 .. The Iwasaki I restored was showing quite early & on reaching 2000 wetndri was very prominent.

    Grant, are you planning on making it feature of the blade ?
    There are not that many options otherwise
    It's a feature of the crystalline structure of the steel.
    Even if you polish it to a mirror shine on the buffer, you'll still be able to see it. If not immediately, then eventually as the patina develops differently.
    Til shade is gone, til water is gone, Into the shadow with teeth bared, screaming defiance with the last breath.
    To spit in Sightblinder’s eye on the Last Day

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    Lookin like a crim baldy's Avatar
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    Well I dont think I have anything to worry about.
    My main concern was that if I had a hamon line, and I quenched spine down, that I didnt fully submerge the blade in the initial quench.
    In my mind the result of that would be the edge not being as hard as it should be.
    However I've just taken it to the hones.
    The DTM 325 started setting the bevel OK but was leaving it very chippy.
    The King 1200 was getting me pretty much nowhere though.
    So if anything its too hard, which is good. Because I can just put it back in the oven a little hotter than the last temper cycle.
    If anyone see's any holes in my ameture logic please let me know.

    So I still cant explain the Hamon other than what Charlie said earlier, really I cant even be sure thats what it is until i polish further, but to answer Oz's question. If all goes well yes I'll probably etch the blade to bring it out.
    Hopefully have a good looking and functional razor
    Thanks
    Grant
    Last edited by baldy; 05-23-2013 at 01:16 PM.
    "I aint like that no more...my wife, she cured me of drinking and wickedness"
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    The Great & Powerful Oz onimaru55's Avatar
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    Quote Originally Posted by Bruno View Post
    There are not that many options otherwise
    It's a feature of the crystalline structure of the steel.
    Even if you polish it to a mirror shine on the buffer, you'll still be able to see it. If not immediately, then eventually as the patina develops differently.

    Yes, not many options. It was almost a rhetorical question.
    Not sure but I think Iwasaki western razors were just finished western style ? I may be wrong but I never saw one with a trad. polished hamon till I got to work on a couple.
    “The white gleam of swords, not the black ink of books, clears doubts and uncertainties and bleak outlooks.”

  7. #17
    I used Nakayamas for my house mainaman's Avatar
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    Quote Originally Posted by onimaru55 View Post
    Yes, not many options. It was almost a rhetorical question.
    Not sure but I think Iwasaki western razors were just finished western style ? I may be wrong but I never saw one with a trad. polished hamon till I got to work on a couple.
    I have seen a lot of the western Tamahagane ones, on pics in NOS condition plus the two I have, they all were mirror finished and there was no visible hamon.
    Stefan

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    Senior Member blabbermouth spazola's Avatar
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    An interesting thread that is related to this one.

    http://straightrazorpalace.com/works...tml#post857646

    Charlie
    onimaru55 likes this.

  9. The Following 3 Users Say Thank You to spazola For This Useful Post:

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  10. #19
    "My words are of iron..."
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    The reason is as Charlie stated, and in the hamon thread. Old files are very likely low hardenability, very clean steels. That difference of 0.25 inch at the spine is enough to slow the transition during hardening to have a hard martensitic edge and a softer pearlitic spine. Hardening is a process that happens at the speed of sound in the steel. Just a little fatter area behind the edge is enough to make the difference in the structure, within the time allowed, or the addition of a little more manganese as in 1084 and you have a through hardened blade. Fascinating material eh?

  11. The Following 2 Users Say Thank You to Mike Blue For This Useful Post:

    baldy (05-25-2013), onimaru55 (05-25-2013)

  12. #20
    Senior Member officerdread's Avatar
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    That is going to make a fine looking razor....!
    Last edited by officerdread; 05-25-2013 at 12:28 PM.

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