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 Post subject: Natural/Synthetic Stone Micrographs
PostPosted: Wed Mar 19, 2014 6:02 am 
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Joined: Mon May 27, 2013 6:39 pm
Posts: 258
So yesterday I did some experimenting using natural naguras on synthetic stones. The goal was to ease the transition between going from synthetic stones over to natural stones.

So i started with the 150 Nubatama
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Then I moved up to the 1k shapton with an Amakusa Nagura
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Then I moved up to the 2k speckled Nubatama , with an Iyoto Nagura , this is where things start to get interesting.
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From here I went to a Khozuke Jnat with matching TomoNagura
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I stropped on bare roo after , what a nice edge , very toothy , yet still refined , beautiful to look at, solid Performer. A side road of this experiment was to experiment to see if this increases the edge retention/durability of the 4116 steel.




Also touched up my straight with my Mukaida with matching Tomonagura
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 Post subject: Re: Natural/Synthetic Stone Micrographs
PostPosted: Wed Mar 19, 2014 6:21 am 
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Joined: Mon Apr 23, 2012 4:45 am
Posts: 1222
Extremely impressive and innovative! Really like the Mukaida plus tomo micrograph and the Khozuke micrograph is most unusual. The contrast between the synthetic scratch pattern above the bevel vs the natural scratch pattern is quite marked.

I would never have thought of mixing the Iyoto nagura with the 2k speckled. Makes sense, but I wouldn't have thought of it. I've used the Iyoto nagura with the Meara for interesting results.

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 Post subject: Re: Natural/Synthetic Stone Micrographs
PostPosted: Wed Mar 19, 2014 1:32 pm 

Joined: Fri Mar 29, 2013 10:29 pm
Posts: 500
Good post. Making your own Han Han in a sense. I'd like to see some micro graphs of a progression with the stropping compounds you just got. Maybe finish your razor and strop through a progression of them with photos. That would be interesting to me. I'd do it but you are the one with all the compounds :) if there is already a link like tat could you post a link to it? Thanks! Good job!


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 Post subject: Re: Natural/Synthetic Stone Micrographs
PostPosted: Wed Mar 19, 2014 6:50 pm 
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Joined: Mon May 27, 2013 6:39 pm
Posts: 258
Thanks Ken , I have other ideas floating around the back of my.head but this was a fun one!

RW - At some point in the future i will be doing just that. Taking comparative pictires of all the different compounds under the scope. I just need to find the time and a bunch of knives that are exactly the same.



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 Post subject: Re: Natural/Synthetic Stone Micrographs
PostPosted: Wed Mar 19, 2014 8:55 pm 

Joined: Fri Mar 29, 2013 10:29 pm
Posts: 500
Maybe use your razor and strop it after the stones . Do a progression of either CBN or boron carbide. Start with 1 or 1/2 micron and go down from there, taking pictures between each. Maybe 400 power is not high enough to show the differences at that level?


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