Cast Iron has a separate phase of flakes of graphite (carbon) These flakes are similar in strength to pencil "leads" So oxide films although...
It seems to poke a stick at bifilm theory... But, I have some concerns about this study. Campbells book is 700 + pages and it can be...
This is the idea behind tilt pouring, try to do just what you suggest, it can be made to work, but all the other considerations of air aspiration...
Shipping seems high I ordered off the AFS webstore, had to call in because there was a shopping cart glitch but they took care of it The...
[ATTACH] Mini Casting Handbook Dr. John Campbell Second Edition 2018 OK, it took a while but I have a copy It is $US 30.00 from the American...
This is a great thread, you guys are doing Masters if not Phd level research here If you wonder why there are some contradictions / confusion in...
People in this thread are ahead of 99% of commercial foundries - awesome Bob and Dr Campbell are considered to be heretics in our industry - like...
Were there ever operational foundries on board ships?
QUOTE="PatJ, post: 12932, member: 17"]It seems that John Campbell originated many/most/all? of the bifilm theories, and Bob was one of his...
OK so this is the bleeding edge of foundry research, maybe around 20 years old versus the 4,000 year old lore we are used to And it is only of...
OK hope everyone realizes what a big deal Bob doing these videos is, a singular honor for the hobby For a Canuck its like Gretzky came over to...
Here is a link to a South Africa foundry publication featuring a lost wax bronze foundry [ATTACH]...
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