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Lab talk, the good, the bad, and the ugly
Metal
np nickle free alloys
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<blockquote data-quote="ICONDENTAL" data-source="post: 130692" data-attributes="member: 9126"><p>The C.T.E. for VMK Master is 13.8----15.2 @ 600 and the C.T.E. for Noblecrown NF is 14.8@ 600 that makes them comparable, in another view , the suggested procedure for degassing is 650-1010°C,with Vacuum, no hold, remove oxide , if you increment 15 °c on your first opaque "only" will help with your bonding also if you use paste opaque? get a hot plate and and dry your opaque for at least 5 minutes at " low " temp., the rest of normal procedures are calibrate and purge your oven. This are good alloys just needs to stick to procedure , Hope it helps. Happy New Year !!!!</p></blockquote><p></p>
[QUOTE="ICONDENTAL, post: 130692, member: 9126"] The C.T.E. for VMK Master is 13.8----15.2 @ 600 and the C.T.E. for Noblecrown NF is 14.8@ 600 that makes them comparable, in another view , the suggested procedure for degassing is 650-1010°C,with Vacuum, no hold, remove oxide , if you increment 15 °c on your first opaque "only" will help with your bonding also if you use paste opaque? get a hot plate and and dry your opaque for at least 5 minutes at " low " temp., the rest of normal procedures are calibrate and purge your oven. This are good alloys just needs to stick to procedure , Hope it helps. Happy New Year !!!! [/QUOTE]
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Lab talk, the good, the bad, and the ugly
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np nickle free alloys
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