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Lab talk, the good, the bad, and the ugly
Porcelain
cracking porcelain on long span bridge
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<blockquote data-quote="dmonwaxa" data-source="post: 199391" data-attributes="member: 927"><p>Sometimes though the CTE of matches between materials there is a mismatch in cooling rate between fmk and porcelain. Porcelain isccioling faster than the fmk because the fmk is too bulky causing it to cool much slower than the porcelain. Reduce fmk bulk, build porcelain a but bulkier and sloooooooooooow cool. Its cracking because the previously veneered porcelain I was too thin.</p></blockquote><p></p>
[QUOTE="dmonwaxa, post: 199391, member: 927"] Sometimes though the CTE of matches between materials there is a mismatch in cooling rate between fmk and porcelain. Porcelain isccioling faster than the fmk because the fmk is too bulky causing it to cool much slower than the porcelain. Reduce fmk bulk, build porcelain a but bulkier and sloooooooooooow cool. Its cracking because the previously veneered porcelain I was too thin. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Porcelain
cracking porcelain on long span bridge
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