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Jan Ysselstein

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Everything posted by Jan Ysselstein

  1. Chase , I have sent you a message on the 1.25" material ( H-13 ). Jan
  2. Thank you Alan. This steel was cast iron ( bloomery cast iron ) and wrought iron ( no alloys). The next sequence will be 100% bloomery material made with local magnetite ore. That will be "Sole Steel" made in the Paramecium Forge.
  3. I do not have too many options left to change the resulting pattern …the main variable I can still tweak is the cooling rate. That is where I will start….should be resuming melting in 2 weeks.
  4. The two photos added are a look at a reduction of thickness by a factor of 10. If the bar had still been in one piece it would be 40” long. I am not too exited about the pattern as the dendritic look has been lost. ….I am happy to have avoided a "stretched out" look.
  5. Wow it is here, great…as soon as I get past this Covid thing I will get back to what I was doing.
  6. I had the opportunity to forge out some steel recently made…indirectly related to the topic here.
  7. Unless I did not see the complete article above ...I would love to have seen some data on the microstructure and the composition of those ingots. This topic is very much alive for me. I am currently melting with a taller crucible the flatter lens crucibles are on the way. I will post some pictures as soon as this computer allows me to. Below are some recent microstructures, using a narrower taller crucible .
  8. I use the chain for crucible steel some strap for san mai ...someone just requested a couple of wagon rims..some of it is the roof structure of a building called the Cooper House...which was located in Santa Cruz CA ..until an earthquake slightly damaged it and influencers got it demolished. Most of it just sits there waiting for GODO.
  9. Jeff, I have wrought iron around ...send me a pm and we will communicate as to what would be best to ship. Be aware wrought is not an easy material to work with. I will post a photo of the mix . The material is in all sorts of forms from wagon wheels to very small chain.
  10. Thank you for the second spark test...looks good . I don't know if you make the high carbon iron from magnetite sand or by carbonizing iron. Magnetic sand is available to us here in California and I have used it..have not made a lot of high carbon material but lots of iron and cast iron. If you are using the magnetic sand and getting high carbon iron we may want to share our notes. Oooops I just read the source of the material at the top of the post.
  11. Francis, thank you for posting your project…..will it still spark as the one above? You have posted the cleanest intact hands I have ever seen here….you must wash the dishes every night.
  12. Get a bowl and go to your nearest shop doing car/truck brakes ..ask for some of the turnings off the rotors/drums put them into a cylinder and pound them with an iron rod to make them fines.. Cast iron will melt on your iron in a layer of borax just tale your "L" shaped poker and move the piece of cast iron round and you will have a thin layer..carbon content is a big variable in welding but so is time , TIME is important.
  13. Thank you Alan , I am waiting to get to a device with a larger screen. Looks like a good read.
  14. I have scrapped 2 and kept the flywheels ….two others are now in use as belt grinders/sanders. One of the wheels saved is 36 “ in diameter With a 2 3/4” bore….I have the shaft and bearings but have not set it up yet. I love those flat true wheels under the belt.
  15. John I have a machine just like that , a little different configuration of the power line. I know why you have a 10hp and I have a very underpowered 1 hp. At 1 hp all I do is smooth the final surface prior to grinding.....actually I have gotten quite good at getting a good finish with a hand hammer ..I do not use it for significant thickness reduction. .
  16. That particular photo may be hiding a tube for the smoke. I would not get too hung up on their secrets many of the smiths have shared much information in videos and demos. We may be looking at very skilled people and assuming there must be a secret there.....mostly skill.
  17. If the gas /air volume moves too slowly in your system and the system gets hot, explosions may occur inside the ribbon burner and the associated plumbing. This can be due to creating back pressure by closing the forge with a door or blocking the exit of gasses out of the forge. It is possible the whole thing is just too slow in the burner block allowing the burning to go to the volume behind the little holes. I had this happening in a forge ( not a ribbon burner ) which I had plumbed with 2 " pipe ...did the same thing. I would have another look at the burner block..cast one that will stay cool in use .
  18. Loris, Cooling rate and dendrite arm spacing has been researched and documented extensively. I do not know how you are melting/cooling/forging but for a dissertation you may want to go to induction melting using alumina crucibles. Controlling all the variables will be a challenge.
  19. Thanks Jerod the MIT definition helps when explaining the graph is upside down. I keep wanting to add solid carbon to the CO/CO2 ratios at those temperatures..I am not sure if that is the case or the numbers are just an actual measurement of added quantities.
  20. OK it is a go I have to gather some copper and just found a #6 crucible ( Graphite )..I will post the result. Lost wax . Jan
  21. Mac. That is a tremendous amount of work and information you have given to a person you have never met.Thank you very much.
  22. Mathew , I would start reading about how they were made in the old days. I would also start reading about the science of ceramics.
  23. Daniel is spot on regarding the effort i5 takes to chase the ceramics. I suggest you start with quality crucible and make good steel....if then you think you want to play with clay go for it.
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