The aura that surrounds the legendary samurai sword? katana, maintains the interest and admiration in front of this type of weapon for not one hundred years.
Katana - strong, light and flexible sword.
He becomes so at the expense of special materials from which it is forged, forging special equipment and, according to legend, the correct mental attitude of the master.
You will need
- ferrous sand
- Rice straw
- sandstone powder
- Tools for grinding and polishing steel
In order to forge a katana correct, you need tostock up special? black sand? Japanese coast. This ferruginous sands of which you have to smelt tamahagane - traditional Japanese steel used for forging samurai swords.
Download the ore in the foundry sand? Tatara? and smelted on charcoal about 4 kilograms of steel. The temperature in the melting furnace should be up to 1 500 degrees Celsius.
Sort the steel at low carbon and high-carbon. High-tamahagane heavier, bright silver. Mild - rough, gray-black color.
Cover the bottom of the forge crushedcharcoal, add large chunks of coal and ignite them. Place a layer of mild steel and then pour a layer of charcoal. Wait until the steel down to the bottom of the hearth.
Cover the bottom of the hearth ash from rice strawmixed with powdered charcoal, put a layer of high-carbon steel slide, pour on top of the charcoal. Begin vigorously pumping the bellows. Wait until the forge, not only will steel.
Take tamahagane pieces and begin to forge from themflat sheets in half a centimeter thick. Cool the sheets in water and to crush the plate area of 2 square centimeters. Sort the high-carbon steel and low-carbon on.
Take the selected pieces of high carbonsteel, lay on a steel plate with a handle. Wrap the paper and obmazhte clay. Place in a forge. Fill with charcoal, and heat for at least thirty minutes to bright yellow or white.
Remove the block from the forge, anvil, and place face down on a rock. Again, place in a forge, heat and proc. Repeat this cycle several times.
When your bar is ready, make itnadkoly bit and take over. Again the heat and process a hammer, until the upper and lower halves are not alloy, and the bar will not return to its original length. Repeat this cycle six times.
Cut the bar before continuing on forgingfour equal parts. Put them on one another and weld them together by heating and forging. More repeat six times folding, heating and forging. You now have a steel? Kavagane ?.
Take a lazy low-carbon steel, forge of her bar, and then fold it and re- forge another ten times. Do you get it? Singane? or steel core.
Kavagane forge of a flat plate of length 40cm, fold in the form of a letter U. The inside of the plate, place the singane bar. Heat up the workpiece in a forge to bright yellow and begin to constrain. Achieve full welding plates together.
Make a template for the blade, warming bar in forge and forging of rectangular workpiece him.
Give the blade shape by stretching the workpiece perpendicular to the length. Form a cutting edge, the edge, side edges and butt.
With the help of the scraper blade, treat the surface of the sword. Files treat butt and a cutting edge. With the follow-carborundum stone pre-grind the entire blade.
Cook sticky clay mixture of clay,powdered charcoal and sandstone powder in equal proportions. Dilute with water and trowel, apply to the cutting edge. A thick layer along the butt and on the sides and a very thin layer along the very edge. Wait until the clay hardens.
Heat the blade in the furnace to 700 degrees Celsius, and cool in the water tank.
Adjust the blades bend and polish it.
Files treat the blade shank.
Complete production of katana, making the handle of the two halves of wood, leather wrapped first, then a cotton cord.