Yes, very happy. And they said I would need a vacuum furnace...
-----Original Message-----
From: Robert Andrews
Sent: Monday, November 22, 2021 1:58 PM
To: af@af.afmug.com
Subject: Re: [AFMUG] OT having fun
Did you giggle like a mad scientist?
On 11/22/21 12:51 PM, Chuck McCown via AF wrote:
I melted stainless steel in a consumer grade microwave oven this morning.
The melting temp of stainless was a bench mark temp I am trying to hit. A
consumer grade infrared thermometer that is supposed to go to 3000 F said
it was 300F. Can’t use thermocouples due to the high RF field inside.
Still looking for a way to measure the temp of the heating zone.
This is something I have been working on for a while. It really works
well. I have some silicon carbide foam that absorbs microwaves embedded
in some super high temp insulation. I got it so hot it actually melted a
hole in the foam and made a crater in the fire brick it was setting on.
No evidence of plasma, just pumping 1250 watts of energy into a very well
insulated item. I was astounded that it was glowing through the
insulation.
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