Which Material is the Strongest. Stress testing different 3D printed Materials.

I test the strength of different materials in a practical print. A hanging bracket is printed in PLA, ABS, PETG, ASA, Nylon-Glass Fiber, PLA-Carbon Fiber, and Polycarbonate and stressed to their limit to see how they fail.
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[@BRUXXUS]

Plant. I always love testing like this! I will say, for me, PLA creeps REALLY bad with constant loading. Multiple wall brackets and mounts I've used end up deforming over longer periods of time. Even very light loads, like a small light socket have bent over the span of a few months. I now use ASA for prints that need to handle constant load. Sometimes PC for parts that will take punishment. Another great video! Thanks!

[@DaveRigDesign]

Thanks 🙏
I used to use petg for anything that needed to be tougher the pla or take heat but it’s usually too flexible. But now that I have an enclosed printer abs or asa is pretty sweet.
I really like nylon though. Has a real interesting finish. Feels like it’s sandblasted.

[@SianaGearz]

Hello.

[@RandomWorldRandomStuff]

Plant. Good video. You can try the hanging test also in more controlled temperature (i think no one dis this). Like 30/40/50 degress Celsius. To see how they comport outside during summer, and also if you use them like car parst.

[@SianaGearz]

Plant. Nobody tests my favourite material - HIPS.
Yeah it's generally known that CF additive compromises tension strength? It is however very rigid, which is often helpful. It's not continuous carbon fibre after all, and it's less like fibre and more like dust. To be kept in mind that CF is a moisture magnet, it makes filaments absorb water substantially faster than without it, and moisture in filament can reduce strength again. Factory moisture content of filament varies, and in my opinion 3 hours in the dryer might not be nearly enough, but i can't say for certain, it depends.

[@DaveRigDesign]

I read that pla-cf should have a similar strength as just pla but be far more ridged due to the cf. so I was expecting the strength to be similar.

[@mwinner101]

Plant. Also science is if the results can be replicated. That wouldn’t be very fun to do it all over again though, so I would make more giant Lego characters! The retro astronaut and moon buggy reminds me of my childhood.

[@DaveRigDesign]

I am planing another Lego build actually. I need something big to print on my Neptune4 max and have a cat that needs a new house. Possibly a Starwars lego building… Stay tuned :)

[@tomyocom5886]

Hi, Thanks for the due diligence . I look at all these filaments but stay with PLA, PetG and TPU.. But I may take a chance on a few now. When you said K1 now dialed in. What did you mean by that, what did it take. thx again...good work.

[@DaveRigDesign]

I’ll stick to pla for most things, but nylon and PC were interesting for prints that will be in tough environments.
The k1 was having some extruding issues at the start so needed to adjust the default profile to get it printing properly.

[@tomyocom5886]

@@DaveRigDesign I have 3 jeeps and a VW camper (Westfalia) I want to make parts for the interiors.. say door handles, something on the dash maybe. Any of the filaments you use could work for THAT high heat. Live in New Mexico where we see 90 90+ days a year. Car can reach 175F or more on dash...suggestions?

[@DaveRigDesign]

@tomyocom5886 I would say ABS or ASA would be best. Decently strong for handles and such and will take the heat, and about the same price as PLA. If you need something with high strength I would use nylon or PC but it’s pricy.

[@tomyocom5886]

@@DaveRigDesign Thank You!!

[@ShakeyLimbs]

3D printing is not there yet.

[@karasekjh]

Plant. I have an idea for better layers adhesions. Try very very wide nozel and higher temp. Melt the layers together. But that's just my imagination. I know nothing about 3d printing.

[@DaveRigDesign]

Printing at higher heats does increases layer adhesion but it causes other issues :)

[@spork861]

first!

[@DaveRigDesign]

🤣