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Lab talk, the good, the bad, and the ugly
Porcelain
In-Line porcelain to metal bonding issues......HELP!!
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<blockquote data-quote="jackjabbour" data-source="post: 69786" data-attributes="member: 7196"><p>WOW! thank you all for responding!! </p><p></p><p>Ok the only thing I haven't done is check and calibrate my ovens. I am following the correct firing programs for each alloy, but one thing I do differntly is sandblast the oxide layer off after oxidizing because when my alloy would come out of the oven, it looked like a piece of charcoal??? So when I switched to Inline and started having bubbles, I assumed the oxide layer was too thick which was causing the bubbles so I started to sandblast after oxide firing and bubbles were gone......but now the porcelain and opaque are coming off???</p><p></p><p>I guess Im going to have to calibrate all my ovens. What do you think about the dark oxide layer tho?? should I continue to sandblast it off, or maybe I should wait to see what it looks like after I calibrate my oven? If I calibrate and the alloy doesn't seem to have as dark as an oxide layer as it did before, I will not sandblast it off, since thats what the alloy manufacturer recommends anyway! </p><p></p><p>So thanks for your help guys, its really appreciated! BEST of luck to all of you!!</p><p></p><p>jack</p></blockquote><p></p>
[QUOTE="jackjabbour, post: 69786, member: 7196"] WOW! thank you all for responding!! Ok the only thing I haven't done is check and calibrate my ovens. I am following the correct firing programs for each alloy, but one thing I do differntly is sandblast the oxide layer off after oxidizing because when my alloy would come out of the oven, it looked like a piece of charcoal??? So when I switched to Inline and started having bubbles, I assumed the oxide layer was too thick which was causing the bubbles so I started to sandblast after oxide firing and bubbles were gone......but now the porcelain and opaque are coming off??? I guess Im going to have to calibrate all my ovens. What do you think about the dark oxide layer tho?? should I continue to sandblast it off, or maybe I should wait to see what it looks like after I calibrate my oven? If I calibrate and the alloy doesn't seem to have as dark as an oxide layer as it did before, I will not sandblast it off, since thats what the alloy manufacturer recommends anyway! So thanks for your help guys, its really appreciated! BEST of luck to all of you!! jack [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Porcelain
In-Line porcelain to metal bonding issues......HELP!!
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