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  • Metglas power core number

    https://metglas.com/pulse-power-cores/

    I found the number or the answer for a power core made of Metglas
    ribbon. Here is one proof.

    https://www.hitachimetals.com/materi..._forms_opt.pdf

    And the supplier sells my width of 20mm the number being 2605sa1.
    $7 per kilogram or 2.2lbs minimum order 10 kilograms so looks like I
    will end up with 22 pounds of ribbon for $70 bucks plus shipping costs.

    See what I mean? Of course you will need an account with them.


    https://www.alibaba.com/product-deta...188568756LI8Fj




    ......................

    Comment


    • Here is another verification for ribbon or tape Metglas 2605sa1

      In this PDF we see an example of it's use with a 12khz switching
      circuit.

      https://www.researchgate.net/figure/Core-loss-of-Metglas-alloy-2605SA1-in-terms-of-flux-density-and-frequency-diamond-marker_fig7_261141539

      Comment


      • I've had an account with Alibaba for a few years now and the price
        shipped to the door is as follows for this 22 pound roll of tape or ribbon.

        $70 for the 22lbs of tape + $75 shipping = $145 total to the door.

        Here is my part and data sheet. Still not sure yet, thinking.

        https://www.alibaba.com/product-deta...34c7MEY0va&s=p

        Well the data sheet is coming, 1 min plz

        Maybe someone can understand this sheet better than I.


        ............


        Last edited by BroMikey; 10-17-2018, 09:26 AM.

        Comment


        • There is significant core loss at 8kHz.
          I think it is upper frequency limits.

          Comment


          • Originally posted by padova View Post
            There is significant core loss at 8kHz.
            I think it is upper frequency limits.
            I think you are right. This stuff is made for 50hz to 400hz not sure which
            data sheet that is.

            Here is a better graph of metglas 2605sa1

            What are your thoughts on this? I am slow at understanding this chart.

            Last edited by BroMikey; 10-17-2018, 08:16 PM.

            Comment


            • Yes I think that metglas is for lower frequencies.

              Looks like chart is for frequency against flux density which depends on
              the current through the windings.

              For 10kHz and up, i would use ferrite core. An below 10kHz as well.
              Last edited by padova; 10-17-2018, 11:31 PM.

              Comment


              • Originally posted by padova View Post
                Yes I think that metglas is for lower frequencies.

                Looks like chart is for frequency against flux density which depends on
                the current through the windings.

                For 10kHz and up, i would use ferrite core. An below 10kHz as well.
                I have another data sheet for Nano products. She said (Cherry from China)
                this product is good for as high as 50khz, let me know what this means.

                Here is the link, data sheet and the price is $65 for 22lbs plus $81 shipping.

                https://www.alibaba.com/product-deta...7783NBMDFA&s=p


                http://flyer.thenetteam.net/3battery...ibbon1k107.pdf








                ..............
                Last edited by BroMikey; 10-19-2018, 02:49 AM.

                Comment


                • I guess I can call technical support. Those guys know.
                  The people from these forums are guessing the best they can
                  but I need more. I do not know how to put this B-H curve into
                  perspective. Does this material get hot at 1000hz or 2000hz?

                  This is my question. Whats Digikey's phone number?

                  Comment


                  • Don't feed the trolls, some people have nothing to offer while
                    the ones they criticize have given everything.

                    Digikey pointed me toward engineering. They can't keep up with the
                    latest material science, it's moving so fast.

                    Here is another example using 2605sa1, the nano stuff is even better.

                    Cheap.


                    https://www.hitachimetals.com/materi...lletin_opt.pdf
                    Last edited by BroMikey; 10-20-2018, 02:23 AM.

                    Comment


                    • Trolls are not able to go past the 150 year year old science in
                      their 1942 books, on the other hand I'll bring us all up to speed
                      with the latest data evolution for cheap metal ribbon.

                      Read Here



                      Hitachi Metals America Top
                      Materials & Products
                      Amorphous & Nanocrystalline

                      Amorphous & Nanocrystalline

                      Metglas® is an amorphous metal, Amorphous metals do not have crystalline structure like other magnetic materials. All the atoms in an amorphous metal are randomly arranged, thus giving it a higher resistivity (about three times) value than that for crystalline counterparts. Amorphous alloys are prepared by cooling the melt at about million degrees per second. This fast cooling does not give the atoms enough time to rearrange into stable crystalline form. As a result one gets metastable amorphous structure. Because of the absence of crystalline structure amorphous alloys are magnetically soft (lower coercivity, lower core loss, higher permeability). High resistivity gives lower loss at higher frequencies. The losses are among the lowest of any known magnetic materials.

                      Nanocrystalline or Finemet® Nanocrystalline - The precursor of FINEMET® Nanocrystalline is amorphous ribbon (non-crystalline) obtained by rapid quenching at one million °C/second from the molten metal consisting of Fe, Si, B and small amounts of Cu and Nb. These crystallized alloys have grains which are extremely uniform and small, "about ten nanometers in size". Amorphous metals which contain certain alloy elements show superior soft magnetic properties through crystallization. It was commonly known that the characteristics of soft magnetic materials are "larger crystal grains yield better soft magnetic properties". Contrary to this common belief, soft magnetic material consisting of a small, "nano-order", crystal grains have excellent soft magnetic properties.


                      https://www.google.com/url?sa=t&rct=...m5oNQDvMCTEPsd


                      https://metglas.com/wp-content/uploa...l-Bulletin.pdf


                      https://metglas.com/wp-content/uploa...l-Bulletin.pdf



                      ......................
                      Last edited by BroMikey; 10-20-2018, 07:34 AM.

                      Comment


                      • BroMikey

                        If you buy those magnetic tapes you'll find how difficult is to manipulate them.
                        Unless you have some machine for that.
                        But maybe I'm wrong.
                        Go for it then.
                        Last edited by padova; 10-21-2018, 02:37 AM.

                        Comment


                        • Originally posted by padova View Post
                          BroMikey

                          If you buy those magnetic tapes you'll find how difficult is to manipulate them.
                          Unless you have some machine for that.
                          But maybe I'm wrong.
                          Go for it then. :-)
                          Yes I agree

                          The way it should be done is quite different from what the average
                          backyard rigger might think. There must first be a form or a specially
                          cut bobbin to wind tape onto, next a certain amount of tension as winding
                          is done and at the same time the tape must have a fine wetting of
                          epoxy glue. This glue is pressed out under pressure.

                          The bobbin should be metallic so the epoxy can be cooked at 300-400F.

                          https://www.youtube.com/watch?v=O-diwGwgQX8




                          ..........................
                          Last edited by BroMikey; 10-21-2018, 02:43 AM.

                          Comment


                          • Originally posted by padova View Post
                            BroMikey

                            If you buy those magnetic tapes you'll find how difficult is to manipulate them.
                            Unless you have some machine for that.
                            But maybe I'm wrong.
                            Go for it then.
                            At best all I have so far on metglas is conflicting data. Here is a graph
                            from folks not in sales. Not sure about anything yet.



                            Magnetization curves of 9 ferromagnetic materials, showing saturation. 1. Sheet steel, 2. Silicon steel, 3. Cast steel, 4. Tungsten steel, 5. Magnet steel, 6. Cast iron, 7. Nickel, 8. Cobalt, 9. Magnetite


                            https://metglas.com/wp-content/uploa...01-Seminar.pdf




                            .......................................
                            Last edited by BroMikey; 10-21-2018, 09:57 AM.

                            Comment


                            • Okay here is the latest contact information from the direct supplier
                              where I can get a 22 pound roll of the advance ribbon nanocrystalline
                              and SHE the office girl states that their cores are target 20khz.

                              My 22 pound roll delivered is $145.

                              Here is a picture of some of their core builds and she can take drawings
                              so mine can be made for me. Also please review this data sheet and
                              those of you who are much more skilled at looking at these can tell me
                              if this is all some sort of hoax. Or is technology moving faster than we
                              might have expected?

                              PS, nevermind the little man behind the wall of doubt and disbelief, he
                              is a close replication of the disruption A.I. bots with one small difference
                              bots are not Bi

                              KingMagnetics

                              Nanocrystalline Material Characteristics – King Magnetics

                              https://www.alibaba.com/product-deta...5f5429fa85D6Ie








                              ....................................

                              Comment


                              • Here is another one of Turions machines. I'll bet he is running it
                                between positives. However what we need to observe is the age old
                                Watson machine to overcome cogging. Cogging is what drags down
                                our motors today. Also see the video I made using Turion's specially
                                wound coils to get past the issues of speeding up a generator while
                                getting extra power back. Keep adding coils and refining till your COP
                                is higher. My video shows how Turion's coils work and how I got my
                                generator to produce extra power. FE is here.



                                [VIDEO]https://www.youtube.com/watch?v=qI3IaWa_cAw[/VIDEO]

                                [VIDEO]https://www.youtube.com/watch?v=-E7XRgbMIGc[/VIDEO]

                                Comment

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