(closed) 24 years experience----Don't do it!

Do you know what a paragraph is???
I quit reading after the 3rd sentence???

Tough read, rather long but interesting.

-- Live to tell the stories, they sound better that way.

Can you give a source for this. I have magnafluxed things before and had them magnafluxed and never hit one with anything when done. Never seen a problem afterwards.

-- Bruce, Boise, ID

Interesting.

I knew the physics principles that occur when metal is magnetized but never realized that the molecular structure was permanently altered. I had been taught that the magnetic domains were realigned more so than the molecular arrays.

-- Lew- Time traveler. Purveyor of the Universe's finest custom rolling pins.

I could not pass this up and let it stand as written.

As a metallurgical engineer working in steel my entire career, I find your discussion without any merit. I have participated in and read hundreds of steel related failure analysis and NEVER read one from an accredited source citing magnets causing a failure of a steel part due to some magnetic rearrangement of the structure.

Mag particle and eddy current are commonly used to check thing like crane hooks, welds and gears without any ill effects. I have never observed any detrimental effects of magnetism on samples using a metallograph or electron microscope to examine steel.

Large electromagnets are very commonly used to move all kind of steel…plates, billets, bars etc with no ill effects.

Can you give a source for this. I have magnafluxed things before and had them magnafluxed and never hit one with anything when done. Never seen a problem afterwards.

- johnstoneb

I’m still trying to wrap my mind around:

Problem – material is dangerously brittle
Solution – smack it with a hammer.

-- Practice makes less sucky. (Bill, Minneapolis, MN)

I m still trying to wrap my mind around:

Problem – material is dangerously brittle
Solution – smack it with a hammer.

- WillliamMSP

I’m putting my money on Redoak49’s analysis.

Hmm, Though I have no experience with a magnaflux test, it seems illogical that you would test the strength of a material with a device that could actually weaken it. Also, I’ve actually magnetized small pieces of iron by hitting them with a hammer while there is a magnet attached to it. That is probably the most likely outcome of hitting it with a hammer while the magnaflux is in use.

-- Nathan, TX -- Hire the lazy man. He may not do as much work but that's because he will find a better way.

I think this falls under the category of I don’t really understand what’s happening so I have woven a story that tries to make sense of it.

-- Rick M, http://thewoodknack.blogspot.com/

Magnets have no place in my shop, that black magic is for the birds.

I hope that papadan will present some credible evidence.

I think that papadan may have stated what he believed to be true but unfortunately it is not. I did a quick search looking for supporting evidence for his claim but could not find any.

Sounds like major BS to me. I have an engineering degree so I’m right 100.024% of the time.

Knowing how to take an x-ray does not equal understanding an x-ray. Hearing someone say that x-rays are powered by witch farts doesn’t mean they are (or aren’t).