TECHNICAL SPECIFICATIONS:

Knife name: RAPTOR DRAGON SKIN (RAPTOR dragon skin) folding knife handmade by the master of the ANDROSHCHUK KNIVES studio, buy and order in Ukraine, Steel - Damascus steel
Knife type: Folding blade
Brand: ANDROSHCHUK KNIVES handmade knife workshop 

Model: RAPTOR DRAGON SKIN (RAPTOR dragon skin) folding knife handmade by the master of the ANDROSHCHUK KNIVES studio, buy and order in Ukraine, Steel - Damascus steel
Model number: 073
Country of birth: Ukraine
Craftsman: Master Grigory Androshchuk (Androshchuk Knives), m.Vinnytsia, Ukraine Studio of exclusive handmade knives ANDROSHCHUK KNIVES
Best use: Multi-purpose: hunting, fishing, cutting, slicing, etc
Knife condition: new
The price is indicated with the sheath.

A sharpened knife is not a cold weapon.

Cutting tools, saws, removable blades are made from this steel. Used in the production of medical instruments.
High anti-corrosion properties! The knives performed well in wet conditions.

Original design.

The handle is subjected to a special water-repellent treatment.

Availability changes regularly, upon confirmation of your order, we will inform you about the availability or when the product will be ready. The product may differ slightly from the one shown in the photo.

What is Damascus steel and is it worth buying knives made from it?

Damascus steel  - refers to a high-carbon  crucible steel  for the blades of historical  swords  , forged using the  Wutz process  in  the Middle East  , characterized by distinctive patterns of stripes and spots resembling flowing water, sometimes in a "ladder" or "rose" pattern. "Damascus steel" has earned a high reputation for being strong, resistant to splinters, and capable of being honed to a sharp, resilient edge.

The term "Damascus steel" originates from the medieval city of  Damascus, Syria  , perhaps as an early example  of branding  . However, there is now general agreement that many swords, or at least the steel ingots from which they were forged, were imported from elsewhere. They originally came either from  South India  , where steelmaking techniques were first developed, or from  Khorasan  ,  Iran  .

The reputation and history of Damascus steel have given rise to many legends, such as its ability to cut through a gun barrel or cut a hair falling across the blade. While many types of modern steel are superior to the ancient Damascus alloys, the chemical reactions in the manufacturing process made the blades unusual for their time, as Damascus steel was both very flexible and very hard.

The methods of making medieval Damascus steel had died out by the late 19th century. Modern metallurgists and metalworkers have studied it closely, developing theories about how it was made, and significant advances have been made. Although the exact pattern of medieval Damascus steel has not been recreated, many similar versions have been made using similar lamination methods, bands, and patterns. These modern reproductions are also called Damascus steel or "modern Damascus".

How Damascus steel is made: features of the production process Unique performance properties, and especially high strength and hardness, are achieved by strictly following the sequence of forging operations. Alternating layers of metal with a high carbon content give sharpness and overall strength to the product, with a low one - prevent it from cracking and ensure elasticity. The exclusivity of the composition of Damascus lies precisely in the correctly selected proportions and combination of layers. The number of patterns here is not limited. At the same time, there are practically no alloying additives, which explains the rusting of the metal.
 

What is Damascus steel and is it worth buying knives made from it?

Source -  https://grandway.ua

Timascus - also known as "titanium damask". It was developed by American metal experts Chuck Beebe, Tom Ferry and Bill Cottrell. It is a metal consisting of layers of titanium alloy, joined by welding and subsequent forging.

 What is Timask?

Timascus, also known as titanium damascus or even Moku-Ti, is an innovative material in both metallurgy and custom knife making. Composed of two or more titanium alloys (currently CP and TI-6AL4V grades), Timascus is corrosion resistant, non-magnetic and lightweight. It has a beautiful, high-end appearance and is free of any flaws.

An innovative and striking material, Timask has become a favorite among knifemakers and enthusiasts alike. Its unique visual appeal, outstanding durability, and endless customization options set it apart from the rest. In this article, we’ll embark on a fascinating journey: exploring Timask. We’ll uncover its intriguing past, define its characteristics, and discuss its uses, helping you understand why it’s the best choice for knifemaking.

What kind of unusual material is this?

Over the past 30 years, titanium alloys have become very popular, and this is all thanks to knife enthusiasts from the United States. The most popular was Timask, a titanium composite created by American craftsman Tom Ferry. The production process is patented. The goal of titanium Damascus was to create a corrosion-resistant, non-magnetic and lightweight laminated material that could give the knife the most beautiful appearance without defects. This composite material usually consists of 50 to 300 layers of different titanium alloys fused into one whole using diffusion welding (most often CP and6AL4V). When heated or anodized, the colors of different alloys become different. Each titanium alloy can create a new combination of colors.

U.S. Patent 6,857,558 was issued on February 22, 2005. It relates to a method and structure for laminating metal. The inventors of this patent are Robert Thomas Ferry III, William Cottrell, and Charles Bybee.

Method: The patent describes a method for forging welding of titanium and titanium alloy laminates. The process involves alternating two sets of metal parts in a housing, filling it with an inert gas, heating the housing and metal parts, and mechanically compressing them together along a specific axis to achieve forging welding.

The full patent document can be found at the link official PDF file.

Main properties of timacus

Timascus is a great material because it is not prone to corrosion. Damascus steel can become rusty or dull, but Timascus is made from different types of titanium that do not react with oxygen or water. This means that Timascus remains shiny and beautiful for a long time, even if you use it in harsh conditions.

Another good thing about Tymask is that it is non-magnetic. You can use it for things that don't like magnets, such as watches, compasses, or medical supplies.

Timascus is also lightweight, comfortable to carry or hold in your hand. It is not as heavy as Damascus steel, but just as strong or durable. You can do more things with less Timascus.

That's why timask is perfect for making knife handles, jewelry, pens, and other cool things that work well and look good.

How is timascus made?

In general, Timask is processed in the same way as other titanium alloys, and the welding process is similar to that of Damascus steel. To create a laminate, different layers are welded and then forged. Each weld is followed by a surface grinding machine and only then the next seam. Grinding is what makes this material so expensive. In the processgrinding process, titanium chips and turns into chips that cannot be used further, which means that the material consumption during production is very high. It can be up to 80% of the size of the original workpiece (This is why titanium Damascus is so expensive). To obtain the most saturated colors, finer grinding is used after each welding.

Future alloy combinations will have different color profiles. (This is only intended for knife hardware, as titanium does not form carbides and does not harden enough for a reliable blade.)

Damascus titanium has become a fairly common material for the most expensive, one-of-a-kind knives. This gives them added value and often equates them to jewelry and objets d'art.

How to make timaskus

This process creates an intriguing phenomenon when the product is heated: because different titanium alloys exhibit different levels of resistance to oxygen, the surface exhibits a variety of colors, each layer having a different hue. The multi-colored patterns are due to the optical characteristics of the transparent titanium oxide, known as rutile, which varies in thickness in the different layers of the alloys. When light is refracted through transparent rutile of different thicknesses, it reflects a spectrum of colors that depend on the wavelength of the light.

Nowadays, the production of Timask, also known as titanium damask, has become a refined art form. Different craftsmen and workshops use their own unique approaches, allowing for varying levels of diffusion welding, contrast and color gamut, as well as designs formed from multiple layers. Thus, each Timask product becomes a unique testament to the ingenuity and craftsmanship of its creator.

Creating a timasque or titanium damask is a complex art that combines materials science and craftsmanship. Let me walk you through the process, step by step.

First, plates of various titanium alloys of varying thickness are carefully crafted. This variation plays a key role in the design process, allowing the finished product to display not only a mix of colors, but also an intriguing array of patterns due to the varying thickness.

The next step involves carefully grinding the titanium sheets to remove any surface contamination, followed by a thorough cleaning and drying procedure. This is followed by the careful stacking of these cleaned plates, consisting of 50 to 300 layers, with a careful alternation of alloy types and thicknesses.

The stacked layers are then finely joined at the corners using argon arc welding to prevent any displacement during the heating phase. The weld stack is enclosed in a sealed steel tank with a regulated argon supply via a special steel pipeline. This argon protection is crucial to prevent oxidation of the titanium during the high-temperature welding phase.

One important step is to isolate the steel container from the titanium layers with aluminum oxide gaskets. This prevents a potentially dangerous reaction between the steel and titanium, which could lead to the formation of a fusible compound that could compromise the welding process.

The container is then heat treated in a furnace that reaches a high temperature of 1200° Celsius. Once this temperature is reached, the container is transferred to a press where the titanium plates are fused into a single unit, marking the completion of the welding process.

The newly formed Timascus block emerges from the steel body and is then forged or rolled. This process uses specially designed dies to etch patterns into the multilayered surface. The forging process transforms the material into rods or round billets, ready for machining processes such as turning or milling, which remove any remaining die pattern and simultaneously create a unique pattern in the deformed layers.

The final touches are added in the form of cutting, grinding and polishing of the forged parts. Then, a gentle heat treatment (up to 700° Celsius) is carried out to obtain bright colors and highlight the unique multi-layered pattern inside.

Elforyn (ELFORYN SUPER TUSK)