Undergraduate 2024 aluminum welding lab
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Tom's own teaching anecdote — 2024 cracks reliably enough to be a teaching specimen. Students could examine dendrites in the SEM. ## Figures referenced
In fact, when I was teaching an undergraduate lab a few years ago and I had to come up with some labs, I had the students weld 2024 aluminum. It's perfect — you always get cracks. It's very easy to get cracks. I'll show you some of that. They could take those cracks and put them in a scanning electron microscope and see dendrites, and it's great. Just not a great thing to weld.