Mickeypotter Posted January 29, 2020 Report Share Posted January 29, 2020 I have been wandering from years ,talked with many pottery experts but haven't got anything closest to yohem tenmoku glaze recipe, So is there anyone who can help me out to figure it how these wonderful bowls are done . Link to comment Share on other sites More sharing options...
liambesaw Posted January 29, 2020 Report Share Posted January 29, 2020 John Britt has said before that the modern version is an oilspot of some kind. The original three bowls no one knows for sure. A high magnetite clay and clay body is what they've deduced after studying them. Link to comment Share on other sites More sharing options...
Magnolia Mud Research Posted January 29, 2020 Report Share Posted January 29, 2020 1 hour ago, liambesaw said: John Britt has said before that the modern version is an oilspot of some kind. The original three bowls no one knows for sure. A high magnetite clay and clay body is what they've deduced after studying them. who is the "they" that studied these bowls? There is more happening than just iron crystallization. LT Link to comment Share on other sites More sharing options...
liambesaw Posted January 29, 2020 Report Share Posted January 29, 2020 Just now, Magnolia Mud Research said: who is the "they" that studied these bowls? There is more happening than just iron crystallization. LT Scientists who have studied them https://www.sciencedirect.com/science/article/pii/S0272884216308598 Link to comment Share on other sites More sharing options...
CactusPots Posted January 29, 2020 Report Share Posted January 29, 2020 If that doesn't drive you crazy enough, check out the work by Chun Wen Wang. One of those potters that provide no technical detail for the rest of us. Link to comment Share on other sites More sharing options...
Magnolia Mud Research Posted January 29, 2020 Report Share Posted January 29, 2020 52 minutes ago, liambesaw said: Scientists who have studied them https://www.sciencedirect.com/science/article/pii/S0272884216308598 thanks LT Link to comment Share on other sites More sharing options...
cmd27 Posted February 3, 2020 Report Share Posted February 3, 2020 By the way...If anyone is interested in surface imaging and elemental analysis using a SEM (Scanning Electron Microscope) on your glaze or clay body please PM me. I own one. I don't have access to the article but I believe a SEM with X-ray (EDS) was used in the investigation. Cheers Link to comment Share on other sites More sharing options...
cabako Posted February 3, 2020 Report Share Posted February 3, 2020 FYI the above post is my old account, please send PM to this profile thanks. Link to comment Share on other sites More sharing options...
Hulk Posted February 3, 2020 Report Share Posted February 3, 2020 my brother has an antique desk model - start the vacuum pump, go out for a movie, then fascinating look see sometime after; wish he lived closer, for sure, particularly for cut, polish, then study the clay glaze interface. Link to comment Share on other sites More sharing options...
cabako Posted February 3, 2020 Report Share Posted February 3, 2020 Hulk you are correct, startup, wait till vac pumps down to at least 10^-4 torr (about 1 hr). I have not yet imaged ceramic samples but I have a diamond chop saw and gold /carbon sputter coater which should do the trick. I do not have polishing supplies yet, maybe rough images will suffice for the users on this forum. But polishing discs are cheap, and it is necessary for quantitative elemental analysis. I am 2.5 hrs from los osos....nice spot. Link to comment Share on other sites More sharing options...
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