knife Edge hardening heat treatment process #shorts

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Edge hardening heat treatment process by using heating coil

Differential hardening is a method used in heat treating swords and knives to increase the hardness of the edge without making the whole blade brittle. To achieve this, the edge is cooled faster than the spine by adding a heat insulator to the spine before quenching. Clay or another material is used for insulation.Heat treatment is the process of heating metal without letting it reach its molten, or melting, stage, and then cooling the metal in a controlled way to select desired mechanical properties. Heat treatment is used to either make metal stronger or more malleable, more resistant to abrasion or more ductile.What are the 3 hardening process?

Each metal hardening process includes three main steps: heating, soaking and cooling the metal. Some common types of hardening include strain hardening, solid solution strengthening, precipitation hardening, and quenching and tempering.

What is EDGE hardening?

This current which induces a deep heat at about 900°C in the highly localized area of the cutting edges. The cutting edges are then rapidly cooled with a water or oil quench which immediately transforms this small localized area into a steel structure which is exceptionally hard.

What is the hardening process?

The hardening process consists of heating the components above the critical (normalizing) temperature, holding at this temperature for one hour per inch of thickness cooling at a rate fast enough to allow the material to transform to a much harder, stronger structure, and then tempering.

Flame hardening is a heat treatment process where oxyfuel gas flames are directly impinged onto the gear-tooth surface area to be hardened which is then subjected to quenching. It results in a hard surface layer of martensite over a softer interior core. Its cost is considerably less than induction hardening.What is hardening and tempering?

Hardening and tempering develops the optimum combination of hardness, strength and toughness in an engineering steel and offers the component designer a route to savings in weight and material. Components can be machined or formed in a soft state and then hardened and tempered to a high level of mechanical properties.

What is EDGE hardening?

What are the 3 hardening process?

What is the hardening process?

What is the process of flame hardening?

What is hardening and tempering?

Why is age hardening done?

What is purpose of hardening?

What are three ways to harden steel?

Which metal is used to harden steel?

How do you harden steel?

Why is it important to harden a steel?

What are the different methods of surface hardening?

What is hardening process with diagram?

What is the difference between flame hardening and induction hardening?

What is the purpose of annealing?

What is purpose of tempering?

What is quenching and annealing?

What is annealing and tempering?

What is the difference between Normalising and annealing?

What are the types of tempering?

What is the tempering temperature?

What is HRC in heat treatment?

Is tempering and annealing the same?

What is the difference between normalizing and tempering?

What are types of annealing?

Is annealing the same as hardening?

What is quench and tempering?

Why is oil used to quench steel?

Why is tempering done after hardening?

Does quenching increase hardness?

Which oil is used for quenching?

What liquid is used for quenching?

Does annealing increase hardness?

What are the five basic heat treatment process?

What are the 4 types of heat treatment processes?

What is heat treatment process and its types?

What are the two types of heat treatment?

What is annealing used for?

What is purpose of heat treatment?

What is critical temperature in heat treatment?

What are the types of annealing?

What is difference between annealing and tempering?

What are the types of tempering?

What is the tempering temperature?

Which is better annealing or Normalising?

What is quenching and annealing?

What is quench and tempering?

What is the tempering process?

What is the process of Normalising?

Why quenching is done?

What is meant by carburizing?

What are three types of carburizing?

Why hardening is done?

What is the difference between carburizing and nitriding?

Which gas is used for gas carburizing?

What is the purpose of nitriding?

Why is nitriding done at low temperatures?

Which gas is used in nitriding?

What is the temperature range for nitriding?

What is the nitriding temperature?

How many types of nitriding are there?

What materials can be nitrided?

What are the advantages of nitriding?

#lathework #machine #toolset #lathemachine #engineering #technology #manufacturing #metalworking #satisfying #work #fabrication #machinerytrader #mechanical
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I am not by any means a professional blacksmith, but I do know that with heat treating you are not supposed to get the blade that hot, as it could crack, or warp the blade

Bigboofus
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That was white hot.. thems forge welding temps

Spartacus
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Why do you tap dance with it when you quench ? How hot you got that thing you better bury it in that...brine ?
I would've done oil, but to each his own.
Just my .02

korynta
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how the hand holding that metal directly?

theridwan
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Ah yes, the bright red nichirin sword (joke)

Etwoudy
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Is that water
Because some use black liquid or something like oil
Plz tell what's that

trozzelstars
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Why not through harden it? This knife now only has half an inch of hseable edge. It's a few sharpening away from being unusable.

varun
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Bruh how many volts are in that element

chaneli