Heat Treatment -The Science of Forging (feat. Alec Steele)

  • Published: 29 January 2018
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  • Science and Technology Science and Technology

Comments • 1 038

  • Siún Coogan
    Siún Coogan  6 hours back

    5:28 damn that catch

    • Mostafa Miroune
      Mostafa Miroune  18 hours back

      we need a video about the Damascus Steel

      • O K
        O K  2 days back

        I’m already subscribed to Alec’s channel, so cool to see a collaboration between you two.

        • Aakash Sawant
          Aakash Sawant  3 days back

          awesome ... it was a great video...

          • watchthe1369
            watchthe1369  4 days back

            Alex does not work, he is in the play zone and creates some incredible stuff.

            • FuriousTeddyBear
              FuriousTeddyBear  1 weeks back

              I can't follow a word you just said, way too fast.

              • wissal zaher
                wissal zaher  2 weeks back

                You have just summed my second semester of Material science like a boss. Hail !

                • CosP0 !
                  CosP0 !  2 weeks back

                  F0ck I have a crush on Alec now

                  • DREY SFAND
                    DREY SFAND  2 weeks back

                    Good information

                    • JoulSA
                      JoulSA  3 weeks back

                      Now use your crafting and Arduino programming learnt from skillshare to build a Mach1 Iron Man suit

                      • Mohd. Aadil Malik
                        Mohd. Aadil Malik  3 weeks back

                        I Read A lot of time about heat treatment But You Explained it Amazingly.
                        Love from India Brother

                        • Dalitas D
                          Dalitas D  4 weeks back

                          Great vid but I would've loved to see a TTT diagram being used as well when discussion how to make different % of phases

                          • Eon_One
                            Eon_One  4 weeks back

                            The instant he said skill I knew that this would be sponsored by skillshare

                            • Robert Emerson
                              Robert Emerson  4 weeks back

                              Must EVERY damn channel pimp Skill Share?! Their efforts to get their name out there is making people sick of them.

                              • Pomegranate
                                Pomegranate  1 months back

                                This video was perfunctory and inaccurate to me as a scientist. This old video explains much better for those who are really interested: https://www.youtube.com/watch?v=uG35D_euM-0

                                • Jacob Sorensen
                                  Jacob Sorensen  1 months back

                                  Steve mould sent me here, how have I not seen this yet?

                                  • Exist64
                                    Exist64  1 months back

                                    Weirdest cooking video I've ever seen

                                    • Heu Valadao
                                      Heu Valadao  1 months back

                                      Forgot to mention Alec's awesome haircut, haha

                                      • eternal8song
                                        eternal8song  1 months back

                                        Cayrbin content

                                        • Niitroxyde
                                          Niitroxyde  1 months back

                                          Will it keel though ?

                                          • Iqmal Hafizi
                                            Iqmal Hafizi  1 months back

                                            5:27 seriously this man

                                            • Ricardo Montanez
                                              Ricardo Montanez  1 months back

                                              Fuck dude, could you try to speak slower

                                              • jangalexis Ruiz
                                                jangalexis Ruiz  1 months back

                                                I could watch this video a 100 times and at the end still not know what the hell you're talking about.

                                                • urmominabox87
                                                  urmominabox87  1 months back

                                                  OI YOU GOT A LICENSE FOR THAT ZOMBIE KNIFE?!?!?!

                                                  • Michael Le
                                                    Michael Le  2 months back

                                                    a poem from me: https://www.youtube.com/watch?v=MKjfkdeuVYE&t=1s

                                                    • Brian Smith
                                                      Brian Smith  2 months back

                                                      good job

                                                      • routhu venkat
                                                        routhu venkat  2 months back

                                                        The entire material science learned with in 11 min.

                                                        • Kameswaran Jayakumar
                                                          Kameswaran Jayakumar  2 months back

                                                          Wish I watched this six months back

                                                          • ag abel
                                                            ag abel  2 months back

                                                            1:45 it's called _ground_

                                                            • Rio A.
                                                              Rio A.  2 months back

                                                              The riddle of steel

                                                              • An IlU-Yahweh
                                                                An IlU-Yahweh  2 months back

                                                                Thanks ma but I.ve already messed up my 200$ axe x_x

                                                                • Michael Graff
                                                                  Michael Graff  2 months back

                                                                  Don't you need several licenses to have that WMD in the UK?

                                                                  • Andrew Manche
                                                                    Andrew Manche  2 months back

                                                                    cook it and let it air cool
                                                                    cook it again but cool it rapidly in oil
                                                                    cook it again, low temp - for TEMPering

                                                                    • Sumit Bhattacharjee
                                                                      Sumit Bhattacharjee  2 months back

                                                                      Black panther

                                                                      • Bill
                                                                        Bill  2 months back

                                                                        🤣 Correct terminology indeed. This is not the science of forging this is the science of heat treatment.

                                                                        • Avram42
                                                                          Avram42  2 months back

                                                                          Fellow Engineer here... This video may be the best presentation I've ever seen as to how alloying and heat treating steel works. If anything my only objection is that this isn't something limited to "forging" as we do almost all the same steps when machining from wrought steel (some of which may have already been performed at the mill).

                                                                          • Tom Caygill
                                                                            Tom Caygill  2 months back

                                                                            As a farrier I've learnt a bit about metallurgy, I mean, we know about hardening and tempering and carbon contents of steels etc, but this blew my mind!

                                                                            • Happy Days
                                                                              Happy Days  2 months back

                                                                              Thanks that was genuinely informative and interesting, Cheers!

                                                                              • The#1 Demon
                                                                                The#1 Demon  2 months back

                                                                                200 C° for how long?

                                                                                • The#1 Demon
                                                                                  The#1 Demon  2 months back

                                                                                  @Cannister Shot ahhhh
                                                                                  Nice! Thanks mate!

                                                                                • Cannister Shot
                                                                                  Cannister Shot  2 months back

                                                                                  1 hour. Let cool to room temperature, then repeat for 2 more cycles.So in total, three 1-hour soaks at 200C with a cooling down period in between.

                                                                              • Screw The Net
                                                                                Screw The Net  2 months back

                                                                                Steel hasnt been the skeleton of human industry for centuries, maybe 150 years at most. Urban settings have existed for thousands of years the world over, but its only the form that has changed, and the molecular structure. Still, nice vid. ^~^

                                                                                • Screw The Net
                                                                                  Screw The Net  2 months back

                                                                                  Again, thats not to say that " steel" hasnt existed for a while, as its been around for about 700+ years easily

                                                                              • Jim Smithers
                                                                                Jim Smithers  2 months back

                                                                                What is the difference between quenching the steel into oil when it is glowing hot vs hot but not glowing?

                                                                                • Jim Smithers
                                                                                  Jim Smithers  2 months back

                                                                                  @Aaron Washburn Thank you

                                                                                • Aaron Washburn
                                                                                  Aaron Washburn  2 months back

                                                                                  If the steel is not hot enough it won't have gone through the proper phase transformation necessary to allow hardening during the quench. The glowing or color is an approximate indicator of the metals temperature and in general things don't begin to glow until they're in the 650-700°C range which is under that phase transformation temperature.

                                                                              • Akiva Shmalo
                                                                                Akiva Shmalo  2 months back

                                                                                Hey! I've watched this video a couple times and the part about how grain structures transfer loads was pretty cool. I found an old video where they go into detail about this. At 7 min. in they talk about the several theories proposed to explain why cold working aluminum hardens the metal. There are three theories posed, and being that the video is pretty old I would think they have figured this out but cant find any reference online. As a materials engineer I assumed you might know more: https://www.youtube.com/watch?v=fJyD8R8zFLE

                                                                                • Aaron Washburn
                                                                                  Aaron Washburn  2 months back

                                                                                  Unless they didn't explain each of those theories far enough it sounds like none of them are correct. The reason cold work hardens metals is because dislocation pile up occurs which increases the stress needed to produce more deformation (dislocations and deformation twins are the reason we can deform materials). The theories proposed in that video are probably wrong because in 1945 the theory of dislocations was still being developed and proven out. The theory of the mechanism of dislocation creation and multiplication wouldn't come around until about 1950 and the first direct observation of dislocations by TEM wouldn't be until 1956. If memory of my defects class serves me correct, there were still arguments as to the existence of dislocations up through the late 1930's, the video theories were probably representing the best accepted theories of the time.

                                                                              • Md Istiaque Hossain Maruf

                                                                                thank you very much for this video

                                                                                • Jo Baecker
                                                                                  Jo Baecker  2 months back

                                                                                  Fantastic video! Many years ago I sold industrial metal forgings capable of up to 300,000 lbs of tensile strength, which were case hardened and drop-forged. I knew just enough to be helpful selling the products, but I learned more about crystal structure in the last 5 minutes as I did in that decade! Thanks for sharing.

                                                                                  • Angad Singh
                                                                                    Angad Singh  3 months back

                                                                                    Can we perform this process on Mild Steel ?

                                                                                    • Angad Singh
                                                                                      Angad Singh  3 months back

                                                                                      What kind of oil is used for hardening ?

                                                                                      • Andrew Davies
                                                                                        Andrew Davies  3 months back

                                                                                        Can I come and work with you for a weekend? I've never been to Ireland...love fire...knives...And hard work

                                                                                        • chinmay gowda
                                                                                          chinmay gowda  3 months back

                                                                                          Mesmerising video bro...👌👌👌👌👌