How to measure hardness? 4 simple DIY ways to measure hardness of materials. Basics of composites #5
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- Опубликовано: 28 сен 2024
- ALEX LAB BLUEPRINTS
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PDF guides, blueprints, and 3D models are available for RUclips members on the Community tab.
ABOUT VIDEO
You will see 4 simple ways to measure hardness of materials. Also you will learn how to make protective coatings for your DIY projects.
TIMECODES
0:40 About project
2:15 Test materials
5:07 Coat manufacturing
8:11 Pencil hardness test
11:32 Dent test
12:39 Shock test
14:02 Sandpaper test
14:39 Tests results
24:56 Sum up
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MUSIC (in clip order)
Fugetaboutit by Dan Lebowitz
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probably the best DIY content on this platform, also "light weight baby!"
yeaaaaah buddy
So far I think you’re one of the most creative and talented people I’ve seen so RUclips. Your testing and quality control quest is impressive, really appreciate your talent.
Hope to see lots more content from you, something tells me that you have excellent potential for anything you put your mind to, keep it up.
Regards from Australia….
Hi alex , im currently making the ironman arm exosuit and its great fun , thanks for the tutorials!!
I have watched you from the start of this project. And i will till the end. Keep up. Hope you are doing alright
Another Excellent vid Alex. This is the sort of work my father did for a living, measuring hardness, brittleness etc in metals. In industry a lot of this is done today with mass spectrometry (compare items chemical composition to known values). But to get those known values... its exactly the sort of experiments you show here.
Plan for the 'best' armour is 3d print then kevlar with carbon fiber on top I guess? Should look nice and provide legitmate protection (FYI - as an ex forces guy, the kevlar in real body armour is VERY thick, I think 20 ish layers, and protection vs firearms is questionable) - so ride carefully on that motorcorss bike;)
You really deserve more attention for this. Even if someone isn't interested in the suit, your videos are always very thorough guides to the process of what you do, i.e. Making composite, electroplating, and that is a very good video and great information all on its own.
I hope the tide turns back for you and the views come back to what they were.
So excited for the next video!
@ALEX LAB, if you put the soft rubbery layer on top of the metal coated layer it would cusin you against impact and provide a softer feel. You will however need to add .28mm to the thickness of the completed suit to compensate for the extra layer.
10 секунд назад смотрел видео от носителя английского языка, и после него такое ощущение что Алекс говорит с акцентом)
Mais um vídeo sensacional não existe conteúdo melhor que o seu , não tem nem comparação e incrível a qualidade do vídeo o carinho com os detalhes
something that should be taken into account with construction is the actual shape of object, for example metal sheets employ dimpling to add rigidity
Another great video ALEX!! pla/carbon fiber/epoxy is my favorite too. It's strong and it also looks great!
i was wondering why they make the protective clear coats on cars not resistant to scratches but i guess it makes sense that it can't be too hard because it has to bend and change in temperature all the time.
This guy is the best
Great 👍
By the way, in english grind is pronounced more like грайнд, not гринд. Not wanting to be rude, just letting you know. Most of your pronunciation is good, the only reason this stood out is there is a lot of sanding in your projects.
As a side note, grinding is usually when you are removing a lot of material in order to shape something. Sanding is when you are just focused on the surface. In my country this is шлайфане and шкуркане. Not sure if russian has this distinction.
Love the content brother
Great video 👍🏾
Amazing work as always. Do you have any such "home made" test for fatigue analysis of composite?
17:16 YEAAH BUDDY LIGHTWEIGHT BABY
I'm thinking PC backed with fiber glass then electroplated and finished with a cf+epoxy outter covering.
Привет
💥💥💥
Hi, i'm watching Alex lab channel
0:00
12:21 I propose a better tool for this is an optical comparator. obviously a $1000-20,000 tool is not practical, but did you know there is a pocket version? I recently stumbled into one and its AWESOME. Mine is : Mitutoyo 183-901(-904) Pocket Comparator for $100 but you can get cheaper ones from igaging or something straight from the big red.... The most useful scaled reticles are the general No.1 No. 2 and No.5 and the ones for thread pitch No 10 and 11. also No 12 and No 6 are good but You can look at them and see what works best for you. The built in leds on the igaging or chinese can be useful. I dont know how long the batteries will last yet. Hope this comment helps someone.
Mmm layers of different composite is often best . I have found there’s more kinds of carbon fiber available in America but ugh Kevlar is still so expensive.
Good work bro
How do you attach the composite pieces to other structural elements?
inshallah one day you will make a complete Iron Man suit.❤
Cool
Best channel
Hey Alex; great video. Just a small correction: "ceramic" is pronounced "sir-amic" not "kir-amic".
One long comercial of epoxy
How can 30k people watch this and only 1.666 leave a like
youtube unsubscribed me💀
I was wondering where you vanished....
Renw
If you want to make the suit out of the absolute hardest material use tungsten and boron. I watched a Discovery Channel episode a very very long time ago that said that this combination of materials is the hardest known on this planet not surprisingly if you try to look it up on the internet you can't find it anymore it's because they don't want you to know.
I looked at myself and realized we look similar but I'm probably a decade younger than you
Did you get Money For Placing a RED BULL ?
@6:40 thats not true
Maybe provide some arguments?
Your videos are always so good! Like litterally! They are superior to any other video on youtube, I get so excitet when you upload, and im so happy that you are uploading so much recently. I assume they are all made in one go so when this wave is over we will have to wait, but this kind of quality takes time and I have mad respect for you! This is absolutely crasy and I love it, when I am able to afford it Ill try to make it myself! :) Thank you so much for sharing your amazing projects!!!
I think that one of the best materials could be something like the kevlar+carbon fiber composite from the previous video plated with chromium even if it wouldn't be cheap.
It could be done with one last ply of carbon fiber with no kevlar and only enough epoxy to adhere it to the part and a light sanding to be sure that the carbon is completely exposed as it seems that chromium can be electroplated directly over carbon fiber. It should have crazy surface hardness, be light and I imagine that the effect of the chromium getting in between the fibers and binding them would make that last layer exceptionally tough.
THANKS FOR THE INFO, I WANTED TO BULD A PROTECTIVE HELMET & NOW I KNOW WHAT MATERIALS SHOULD USE
The C in Ceramic is pronounced the same as the C in Russian :)
А где ролики на русском?)))
канал алекс буркан
Could you test the ceramic over a harder surface than the PLA? It seems that maybe the ceramic is best suited over a more rigid surface like metal. It would be interesting to see.
I believed the orientation of carbon fibre layers will effect final performance characteristics, no?
if u dont mind me asking what is ur profession
the simplest way is to gauge the attractiveness of the female on scale of 1-10 and use the result.
magnifique
Damn!
Support comment and Support rays to you, man!
Thanks for your work!
This is very interesting to watch. Good job.
Good job!
Keramic 🤣, Alex you need more English speaking friends.