A possible contributing factor to bubbling is the firing temperature of your first opaque cycle relative to the oxidation cycle temperature. If you are...See more oxidizing the alloy prior to opaquing, even if you then blast off the oxide layer before you apply opaque it is very important that your first opaque...
It's most likely from contamination somewhere in the process of conditioning and opaquing, as I'm sure you realize. Here's what I do to avoid the same...See more thing: First, I use specific finishing/grinding tools for each metal and I don't cross contaminate. When using stones, I only use aluminum oxide. Second,...
47% are freezing pay raises 39% are reducing/eliminating overtime 38% are cutting hours 36% are laying off technicians 25% are reducing/eliminating bonuses 16% are reducing/eliminating health insurance benefits 8% are cutting salaries 7% are instituting forces, unpaid vacations (percentages total more than 100 because respondents could select more than one answer)
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