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<blockquote data-quote="Mark Jackson" data-source="post: 80277" data-attributes="member: 153"><p>The more narrow the range of CTE on your ceramic, the higher the quality of the metal you must use. Vita for example used to have a very narrow window, and a very small list of approved alloys. If you tried to use an "equivalent" alloy, you better add lots of fresh metal to every casting and have perfect frame design.</p><p></p><p>The problem could also be cross contamination with YZ ceramics if you use a wet tray. It only takes a few grains of ceramic to change the who CTE. Toss the button, start with fresh alloy and a clean ceramic department.</p><p></p><p>I promise you. it's related to CTE and frame design.</p></blockquote><p></p>
[QUOTE="Mark Jackson, post: 80277, member: 153"] The more narrow the range of CTE on your ceramic, the higher the quality of the metal you must use. Vita for example used to have a very narrow window, and a very small list of approved alloys. If you tried to use an "equivalent" alloy, you better add lots of fresh metal to every casting and have perfect frame design. The problem could also be cross contamination with YZ ceramics if you use a wet tray. It only takes a few grains of ceramic to change the who CTE. Toss the button, start with fresh alloy and a clean ceramic department. I promise you. it's related to CTE and frame design. [/QUOTE]
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