Damascus steel forging process pdf

The forge welding of steel and iron, or more generally, two types of steel. These nanostructures help give damascus steel its distinctive properties. Seamless rolled ring forging process operations seamless rolled ring forging process operations 1. Forging is a metal working process in which useful shape is obtained in solid state by hammering or pressing metal. Damascus steel is a famed type of steel recognizable by the watery or wavy light and dark pattern of the metal. This explains why carbon is crucial in the development of damascus steel blades. Mintach et al impact strength and failure analysis of welded damascus steel materials engineering materialove inzinierstvo 19 2012 2228 25 for the damascus steel with 84 layers. Each finished blade is a highly prized, functional tool sought for its unique pattern as much as its incredible durability, crafted by mastersartists who put a portion of their soul into the final product. How does damascus steel weapons compare to weapons made. Formation of eutectic carbides in the structure of high. Pdf forging of copper and iron plates by the damascus technique.

Sep 29, 1981 most, if not all, damascus steel was derived from blocks of wootz, a form of steel produced in india. Devin thomas suggested these materials to me almost 10 years ago and i feel they have been instrumental in my success. The complex forging and annealing process is believed to have developed the nanoscale structures. I have seen a video of somebody hammering out a chainsaw blade damascus billetblade. The result of this joining process is a final product with contrary. Forging the material into a desired shape such as a sword blade alters the crystalline structure into the familiar waving or watered pattern that damascus steel is known for. This ancient process was used to gain the beneficial properties of two completely dissimilar alloys in an effort to produce a perfect product in terms of strength and edge. Why the swords were no longer produced is still a mystery. The fame of wootz steel is due in part because it was the steel from which damascus steel swords were forged. In simple language and with over 350 full color photos the book covers a great number of techniques for obtaining many different kinds of damascus. Actually the process did not originate in damascus, but rather in india, where it was known as wootz. Aside from being beautiful, damascus steel was valued because it maintained a keen edge, yet was hard and flexible. Pdf forging damascus steel knives for beginners download.

Forging shapes include discs, hubs, blocks, shafts including step shafts or with flanges, sleeves, cylinders, flats, hexes, rounds, plate, and some custom shapes. Apr 05, 2017 by 1750, the production of damascus swords gradually declined and the process was lost to metalsmiths. After two years as a full time maker, i became interested in stainless steel damascus, and decided to make some for my own knives. This process is known as allotropic phase transformation and can alter the hardness, strength and ductility of the metal.

Damascus steel was the forged steel of the blades of swords smithed in the near east from ingots of wootz steel imported from southern india and sri lanka. The mill is the most efficient tool for working to a desired thickness and leaves a cleaner more consistent surface than my other forging tools. Knife forging is a step in the knifemaking process whereby an ingot, cast, or poured mold of steel, that will eventually become a knife, is beaten into shape, either by hammers or by a machines rollers, to improve tensile and fatigue strength. Many people forge damascus by hand but i would never recommend it due to potential damage to your body and frustration levels. In this video i break down the process i take to forge damascus steel. Does anybody hand forge any damascus billets with out a power hammer or the such. With the impurities imbued intentionally as the sword is made, the steel forms a banded structure.

The finished weapons had attractive patterns that were considered to guarantee quality. Damascus steel which described the microstructure in detail. This is an area that i feel strongly about and i recommend 1084 and 15n20 as the steels to combine when forging damascus. From a test sample a cross section was investigated by means of metallographic methods. I am sure that the intricite designs of the flamestarect require a power hammer. Forging damascus steel knives for beginners by ernst g. A mystery, to those seeking to recapture the technique, was the property of wootz that. A closer look at the manufacturing process of damascus steels al hindi, based on. It has been suggested the damascus steel production declined because firearms replaced swords and there was less demand for the metal. Pdf damascus steel inlay on a sword blade production and. Download the 1973 blade magazine issues in digital pdf. The museumquality wootz damascus blades were produced mainly in 16th 17th centuries. Even though the atoms are displaced in the forging process, steel grain flow is uninterrupted in the forging process which makes for a stronger part.

On a deeper level, carbon nanotubes form in the steel to allow malleability and sustained strength during the forging process. Aug 26, 20 at this time i wanted to show a technique for damascus steel forging and knife making. The earliest description of the damascus blades dates back to ad 540, yet they may have been used by alexander the great as early as 300 bc. In fact, forging is often the optimum process, in terms of both part quality and cost, especially for applications that require maximum part strength, custom sizes or. In 1868, chernov in his famous report on the polymorphism of iron had argued 3 that the less impuri. Jul 21, 2019 this project is a perfect example for stepping out of your comfort zone and trying something new. Can you hand forge damascus billets without a power hammer. Damascus steel is made of crucible steel that has been forged in a specific way which. Some examples of shapes obtained by forging process. Weapons made from damascus steel were vastly superior to weapons formed from iron.

I hope that this video will encourage someone to start forging and carry on old traditions of craftsmanship. Pattern formation in wootz damascus steel swords and blades pdf. Damascus steel was the forged steel of the blades of swords smithed in the near east from. Show full abstract steel blade was manufactured and the damascus steel inlay was upset by forging. Damascus steel comes from two distinct and ancient art forms. The appearance of damascus steel does not come from folding and forge welding and it does not involve in any combination of different materials during the forging process. Jun 02, 2018 forging of damascus steel in solingen. Mintach et al impact strength and failure analysis of welded damascus steel materials engineering materialove inzinierstvo 19 2012 2228 23 metallurgical and mechanical properties of the damascus blades are still not yet understood 4, 7, 10. Canned damascus powdered metal is done this way all the time. Dec 26, 20 canned damascus powdered metal is done this way all the time. In recent years, there has been a lot of work to determine a process to make damascus. The book by leo figiell contains the best collection of photographs.

These swords are characterized by distinctive patterns of banding and mottling reminiscent of flowing water, or in a ladder or teardrop pattern. The damascus knife is a multilayer steel produced by repeated forging of the high and medium carbon steel by heating up to 650 c with superior superplastic deformation capacity 67. Forging techniques is a hardcover, 240 page, practical manual with an introduction covering ancient damascus production techniques. First in the process of forging damascus is the selection of materials to forge. In fact, each knife is one of a kind and valuable as an expressive work of art. In can be said the intricate pattern we associate with damascus steel blades are created using the crucible steel process, whether or not the blades consist of wootz steel inputs. The materials and process used here are related to those used at merv. Ill assume here you mean damascus steel as it is understood today. The trading place of damascus has given its name to the weapons made by forging wootz steel, and the leading blacksmiths were considered to be in persia. Ancient secrets of the damascus steel legendary metal used. A mystery, to those seeking to recapture the technique, was the property of.

The history of powder metals in damascus steel knife steel. In the early 19th century, the last secrets of the genuine damascus steel got finally lost, but since that time several attempts have been performed to rediscover the recipes of achieving blades of comparable quality cf. Manufacture involved a secret carburization process in which a form of wrought iron was heated to red heat in contact with various carbonaceous materials in closed vessels. In the paper the new explanation in manufacturing of damascus steel, based on discovered the specific characteristics of transient nucleate boiling processes. Damascus steel is a unique and beautiful product produced by meticulously combining two dissimilar metals to produce a product with properties of each constituent material. By 1750, the production of damascus swords gradually declined and the process was lost to metalsmiths. Pattern welded steel appears to be similar to damascus steel, however the appearance of modern damascus steel results from the visible folds in the material that create. Nov 24, 2017 this process is known as allotropic phase transformation and can alter the hardness, strength and ductility of the metal. The mystery of damascus steel appears solved the new york times. Ultrahigh carbon steels, damascus steels, and superplasticity.

Most, if not all, damascus steel was derived from blocks of wootz, a form of steel produced in india. Pdf using the damascus technique and forging steel plates with different. Damascus steel definition and meaning collins english. Jan, 2017 knife forging is a step in the knifemaking process whereby an ingot, cast, or poured mold of steel, that will eventually become a knife, is beaten into shape, either by hammers or by a machines rollers, to improve tensile and fatigue strength. During the smelting process to obtain wootz steel ingots, woody biomass and leaves are known to have been used as carburizing additives along with.

Pdf an explanation of possible damascus steel manufacturing. The legendary damascus swords rediscovered reach unlimited. Here is a highly magnified view of the o1 layer in the fluxless damascus, where the weld was there is a faint ghostly line left in the phase formations. Patience is one of the things blacksmithing teaches us and it should be used here or the results could be disastrous. Now, with this guide, novice blacksmiths and bladesmiths have a practical and budgetconscious approach to forging their own damascus steel knives. The key role of impurities in ancient damascus steel blades.

Crane hook, connecting rod of ic engine, spanner, gear blanks etc. The art of forging multiple layers of steel together into beautiful, strong, and sharp damascus steel blades started millenia ago. Now, with this guide, novice blacksmiths and bladesmiths have a practical and budgetconscious approach to forging. Thanks to the crusaders, who encountered muslim warriors wielding this highquality blade, the fa. The forging process is ideally suited to many part applications. I agree with doc cuz if you didnt do this, you have to leave a small hole in the container to allow for expansion and escape of gasses or bad things can happen. Upsetting cold forging of components effect of cold working on material properties the ductility of the material drops, strengths and. Properties and microstructure of damascus steel verhoeven decided to perform destructive tests on a damascus steel sword analyze its microstructure and quantitatively tests its strength 2. After learning about powder damascus from rick dunkerley, jeff carlisle acquired 1084 and 4600e powders to sell to any damascus makers that wanted to use it.

Pattern welding was a technique used by swordmakers from around the world, including celts of the 6th century bce, vikings of the 11th century ce. After building a hydraulic press and a gas forge, i began forging stainless damascus, and within two weeks had produced enough for a few knives and a few extra billets, which i offered for sale at the knifemakers. Dec 04, 2014 a study conducted in germany in 2006 revealed that damascus steel contains nanowires and carbon nanotubes, generated through the forging process. The assumption is that the steel or the swords were made in damascus, syria. There is uncertainty in the literature as to whether the wootz metal had an ascast carbon composition of around 1. Nov, 2011 first in the process of forging damascus is the selection of materials to forge.

The damascus bar is forged to final dimensions and annealed. After all of the cutting is done, the sharp corners are rounded off on a grinder. I hope that this video will encourage someone to start forging. This project is a perfect example for stepping out of your comfort zone and trying something new. The famous damascus steels may be also considered as a product of powder metallurgy. The most common aspects of damascus steel knives that enthusiasts consider ideal are the aesthetics and high performance. Reproduction of damascus steel wootz, patterns and blade. Fracture surface, damascus steel with 84 layers, t 160 c, kcu 15. The team of researchers was based at the technical. The bar is then cut on a band saw, removing triangles of material from alternating sides of the bar. Blacksmiths in europe attempted to match the steel, using the pattern welding technique, forged from alternated layers of steel and iron, folding and twisting the metal during the forging process.

The art of producing the famous 1618th century damascus steel blades found in many museums was lost long ago. A study conducted in germany in 2006 revealed that damascus steel contains nanowires and carbon nanotubes, generated through the forging process. Jun 22, 2015 the carbon is imbued in the blade to create a very strong and sharp weapon that is also more flexible that a steel sword. Damascus steel, one of the famous steels of the preindustrial era, typically made into weapon blades. So, when you hear damascus steel blades, assume that the forging process matches crucible steel. It has been suggested the damascus steel production declined because firearms replaced swords and there was less demand for.

Damascus steel was the forged steel of the blades of swords smithed in the near east from ingots of wootz steel imported from southern india and tamraparni. The topic of damascus steel is something that has been on the minds of. While flattening the accordion, the bar should be worked at a. Anosov paid special attention to the purity of their crucible alloys. Aug 19, 2019 after learning about powder damascus from rick dunkerley, jeff carlisle acquired 1084 and 4600e powders to sell to any damascus makers that wanted to use it. Jan 10, 2018 damascus steel is a famed type of steel recognizable by the watery or wavy light and dark pattern of the metal. None of our steel is perfect and close examination of these micrographs will reveal new inclusions, but also those that were in the steel before the forge damascus welding began. Damascus knives boast stylish patterns that metal workers engrave into the blade during the forging process. The origin of the damascus steel name is almost as mysterious as the steel itself. This technique is extremely work intensive and requires a high degree of skill to keep the necessary temperatures constant throughout the process. These swords will be called wootz damascus swords in this paper.