Buck Roberts’s Blog

February 24, 2006

Metal in the microwave

Filed under: Uncategorized — Fastamber @ 7:32 am

Safety Notes and Disclaimer.
This article is for informational purpose only.
Don’t put metal into a microwave oven unless the manufacturer specifically says it is ok. If you put metal into a microwave oven you do so at your own risk. It’s dangerous and stupid to try. Don’t do it. Don’t try any of the ideas mentioned in any of the links on this site.

At some point we have all been warned of the dangers of heating metal in the microwave oven This is why

This is the really stupid question. If it is so dangerous to put metal in the microwave oven, why is the inside of the mircowave oven made of metal?

Can I get a straight answer on this?

Does the metal have to be within a certain proximity to magnatron to cause an undesirable effect?

Are there certain shapes of metal that are ok for mircowave oven use.

Are there any specially designed alloys that you can heat in a microwave oven.

The inner walls of the microwave is metal after all. The walls of the microwave don’t kill the magnatron or cause an electical ark.

Here’s another article on FAQ Farm

Can anyone lay this out for me?

According to this link Gallawa Family Web Site

Charateristics of microwaves make them easy to enclose within a cavity and each microwave oven cavity is proportion to the amount of microwave energy produced by that oven.

It also says on Yahoo that sparking in a microwave is more likely to occure when metal edges are thin or pointed.

So just to recapitulate. It is hypothetically posible to microwave metal without causing arching or reflecting microwaves back to the magnatron Causing the microwave to overheat and stop functioning properly.

Some microwaves are available that you can heat certain types of metal.

I don’t suggest doing it. Here’s a link to a site written by an electical engineer with some knowledge of the subject. Can you put metal in the microwave? There are some great links to telsa coils and stuff like that in here.

So pretty much the reaction the microwave will have to foreign metal being placed in it will depend on the strengh of the microwave emitted by the magnatron, the proportions of the cavity in relation to strengh of the wave, the shape, texture, thickness, density of the metal being placed in the microwave in relation to fore mentioned variables.

In short it isn’t don’t put metal in the microwave. Hypothetically,if the variables are right and I don’t claim to be qualified to make an sceintific statement whatsoever, you can put metal in the microwave without it exploding or arching. I can’t reiderate this enough don’t heat metal in a microwave oven.

DO NOT PUT METAL IN THE MICROWAVE.

Update: You will like this. Melting metal in the microwave Here’s something that looks dumb and dangerous but they have been doing experiments on it for two decades. Research is almost complete.

Links
Breakfast burrito causes microwave to catch fire

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