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Is a New Bohler Knife Steel Coming? 

Knife Steel Nerds
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A new research paper was published with a niobium-alloyed powder metallurgy stainless steel. What are its properties? Will it see a release? Patreon to support Knife Steel Nerds: patreon.com/knifesteelnerds
Written version of this video: knifesteelnerds.com/2022/10/1...

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16 окт 2022

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Комментарии : 54   
@patkal3987
@patkal3987 Год назад
You should have waaay more followers. I recently bought your book. Keep up the good work!
@RainyDayForge
@RainyDayForge Год назад
Excellent video! I appreciated all of it but learning the "powdering" process via the animation was great.
@hunter-tm2kl
@hunter-tm2kl Год назад
looks really interesting, doesn't look like it fits my set of needs but would still be really cool for it to see the light of day.
@tacticalcenter8658
@tacticalcenter8658 Год назад
Imagine if someone were to create a machine learning ai that could create new steel compositions and ht protocols for the perfect steel big or small for whatever product and it's desired performance.
@KnifeSteelNerds
@KnifeSteelNerds Год назад
It certainly could be done. As with any such modeling efforts a lot of it depends on how much good data you have access to.
@tacticalcenter8658
@tacticalcenter8658 Год назад
@@KnifeSteelNerds agreed. In the current market it would be difficult. Perhaps some day in the future it will become a reality.
@kknives_switzerland
@kknives_switzerland Год назад
It has been done for ceramics and carbide.
@tacticalcenter8658
@tacticalcenter8658 Год назад
@@kknives_switzerland nice! I'll have to see if I can find information on that!
@Lurifaks707
@Lurifaks707 Год назад
yeah it's discussed in materialism podcast, check it out for sure
@brysonalden5414
@brysonalden5414 Год назад
Thanks for posting this. I learned some things I didn't know I didn't know!
@CNYKnifeNerd
@CNYKnifeNerd Год назад
Those unknown unknowns are always what get ya!
@hammurambi
@hammurambi Год назад
Interesting that adding graphite to the powder blend is considered a novel approach in the HIP process. It’s very common to see flake graphite added to water atomized steel/iron powder in press and sinter powder metallurgy. There’s always the risk of segregation though since the steel powders are typically an order of magnitude larger in nominal particle size.
@richardf9137
@richardf9137 Год назад
Interesting Information, Thanks!!
@ChateauBeaufort
@ChateauBeaufort Год назад
Very interesting Larry!
@mattpeter7052
@mattpeter7052 Год назад
Thanks for sharing.
@EastCoastMan603
@EastCoastMan603 Год назад
Your my favorite scientist Larrin…Your doing good work.
@testtester3363
@testtester3363 Год назад
You're
@GrantHendrick
@GrantHendrick 10 месяцев назад
Even as a non knife maker this very interesting. Great animation. Thank you.
@AaronJohnson1979
@AaronJohnson1979 Год назад
Love your videos I feel like I’m coming to school and sitting in a classroom that I’m actually interested in the subject
@_BLANK_BLANK
@_BLANK_BLANK Год назад
Man. I need to get back in the Patreon. They've been giving me trouble processing my card for some reason. Hopefully I can get it worked out.
@allthingsknives
@allthingsknives Год назад
Great video Larrin, I think the only way this steel could replace LC200N is if it has greater edge stability as that is most peoples complaint about the steel.
@MrDarrylR
@MrDarrylR Год назад
Seems like, as with LC200N, hardness would max out at 59 HRc in production knives (vacuum furnaces with gas quench). So we're still not going to see potential for acute culinary knife edges with it. AEB-L and Larrin's proposed NioMax still own that space.
@anthonycampos7417
@anthonycampos7417 Год назад
Hell, wasn't LC200N originally intended for bearings to be used in outer space while S125V was intended to be used in dentist Dremel tools. Maybe this steel will find it's way into many other industries
@MrBrokenwrenches
@MrBrokenwrenches Год назад
So that is how powdered steel is made! Thanks!
@krissteel4074
@krissteel4074 Год назад
I guess if you're looking for something with a bit more stain resistance than S7 (none) and A8Mod (a little) it could serve as some kind of chipper blade. Though I shudder to think what manner of horrific industrial chipping process it'd get used for, probably making hotdogs
@tacticalcenter8658
@tacticalcenter8658 Год назад
A8mod with infi heat treat has decent stainlessness properties despite it not being stainless steel at all. Same goes for the delta 3v. Its amazing what different microstructure can do with the composition these steels have.
@krissteel4074
@krissteel4074 Год назад
@@tacticalcenter8658 For sure, I've made a few big knives out of A8 and its a pretty fearsome steel when it comes to strength and very pleasantly surprised by how well it resists corrosion. The edge holding for what it is really isn't that bad either and considering what you can do with them, not my first choice for a chefs knife, but if you need to cut a car door off and fight a ninja clan its a great choice
@tacticalcenter8658
@tacticalcenter8658 Год назад
@@krissteel4074 lol yeah, check out Joe X on RU-vid... Hilarity continues.
@OTG414
@OTG414 Год назад
Sounds like a great kitchen knife steel
@n7118x
@n7118x Год назад
If this paper is online, please post link
@NeonAnimeDreams
@NeonAnimeDreams 4 месяца назад
Does cobalt only help more austenite form at higher tempreturs, or does it also cause more retained austenite during tempering as well potentially leading to a loss in toughness if it decomposes or bad edge quality/ difficulty sharpening? If it does lead to more retained austenite is decomposition even an issue if you have sufficient chromium? Does colbalt reduce decomposition all by it self?
@SteveKluver
@SteveKluver Год назад
Thank you, Larrin. 👍🔪
@glodandorin7807
@glodandorin7807 Год назад
For knives....Bohler Nb or ..CPM-1V.?
@SignalJones
@SignalJones Год назад
As a question - why not inject the carbon during The gas powderization? Would swapping the nitrogen for a carbon bearing gas not work? I considered suggesting carbon subnitride. But... Well, that's Dicyanoacetylene... So getting oxygen into the powderization vessel would cause a big boom.
@auroraborealisknives4019
@auroraborealisknives4019 Год назад
Looks like an excellent option for a large stainless steel chopper 👍 Many people have asked me for a stainless steel chopper… any other suggestions of suitable steels?
@KnifeSteelNerds
@KnifeSteelNerds Год назад
AEB-L or Nitro-V if you can get them in thick enough sizes.
@auroraborealisknives4019
@auroraborealisknives4019 Год назад
@@KnifeSteelNerds anything above 3/16 is a challange with these steels Îd love to get my hands on magnacut but it’s still on the expensive side
@JoeBusic
@JoeBusic Год назад
420HC or better yet forge weld to thicken 14C28N
@jimmycricket7946
@jimmycricket7946 Год назад
Hey larrin i have a question. Why is that harder steel's e.g. rex45, k390 appear to have a darker shade or more fine lines then say stainless steel's which appear less dull and more reflective to light? I even noticed s110v although a stainless steel but with a higher HRC to the naked eye looks more like k390 and rex45 then say elmax or 14c28n. There's definitely a difference in appearance i just don't know exactly why? Thanks again for your contributions!!
@KnifeSteelNerds
@KnifeSteelNerds Год назад
I haven’t noticed anything like that before.
@Sheeshening
@Sheeshening Год назад
Will there be a digital version of the knife engineering book someday?
@KnifeSteelNerds
@KnifeSteelNerds Год назад
Maybe someday. I’m not working on it at this point.
@krustysurfer
@krustysurfer Год назад
Saltwater dive knife steel?
@bartweijs
@bartweijs Год назад
Sounds like Niolox+ ... Maybe you should get in touch with Achim Wirtz, He's the german steel-guru, and he has made a lot of steels at Lohmann.
@KnifeSteelNerds
@KnifeSteelNerds Год назад
Of course I know about Achim. I would not compare Niolox+ to these steels though as the microstructures are quite different.
@timrodriguez1
@timrodriguez1 Год назад
🤠👍
@Hati321
@Hati321 Год назад
Would this work for swords? You know, if it becomes available.
@KnifeSteelNerds
@KnifeSteelNerds Год назад
Sure
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