Wayland the Smith: The Mythological Roots of Modern Surface Hardening
In the field of materials science, the legend of Wayland the Smith represents one of the earliest literary documentations of targeted material property enhancement. In the Thidrekssaga, Wayland forges the legendary sword Mimung — a process that, from a metallurgical perspective, shows astounding parallels to modern surface engineering.
The Legend: Where Craftsmanship Meets Technological Innovation
The myth begins with Wayland, son of the giant Wade, who apprenticed in the high north with master dwarves and the wise smith Mimir. There, he mastered the secrets of ore and fire, becoming the most gifted goldsmith and master armorer of his time. However, his fame became his downfall: King Nidung captured him, severed his hamstrings to bind him to the forge, and exiled him to a remote island. Forced to toil day and night, he forged priceless chalices and invincible weapons for the royal court.
The Sword Mimung: A Masterpiece of Refinement
To escape his cruel captivity, Wayland secretly crafted a set of wings to fly to freedom. But his true masterpiece was the sword Mimung. King Nidung challenged him to forge a blade that could pierce the enchanted armor of his strongest warrior, Amilias. Wayland’s first attempt failed the king’s “anvil test,” as the blade proved insufficient.
Driven by pride and the will to survive, Wayland employed a brilliant ruse: He filed the blade into fine iron shavings, mixed them with flour, and fed them to hungry geese. He collected the droppings, smelted the iron remains in a blast furnace, and repeated this arduous process three times. Each cycle refined the material, making it purer and far more resilient.
The Triumph of Material Optimization
The result was a weapon of supernatural hardness and sharpness. In the final test, it not only sliced through a thick bundle of wool floating in a stream but also split Amilias’s armor like parchment. These “miracle weapons” established Wayland’s legacy as the ultimate symbol of metallurgical perfection.
The Metallurgy Behind the Myth: Origins of Innovation
Without modern laboratory analysis, Wayland intuitively did exactly the right thing. Nitrogen and carbon in the organic waste hardened the steel. What the legendary smith achieved by instinct forms the basis for today’s high-performance processes like boronizing and stainless steel hardening.
Targeted Diffusion:
Wayland instinctively used the principles of carburizing and nitrogen absorption to drastically increase both hardness and toughness.
Nitrogen and Carbon Enrichment:
Through the digestion process of the geese, the iron was enriched with nitrogen and carbon—a precursor to modern nitriding.
Purification Effect:
Chemical reactions during the process reduced unwanted slag, improving the purity and homogeneity of the steel, which in modern metallurgy is achieved through ESR treatment (electroslag remelting) and powder metallurgy (PM steel).
Comparison: Myth vs. Modern High-Performance Engineering
The core of the legend describes a complex thermochemical treatment:
- Machining: A sword that has already been forged is sawn into fine chips.
- Biochemical enrichment: Iron filings are mixed with flour and fed to geese.
- Extraction and reduction: The iron residues obtained from the goose droppings are remelted in a blast furnace.
- Cyclical repetition: This process is carried out three times until the resulting material achieves the desired hardness and toughness.
While Wayland relied on biological catalysts, modern industry utilizes precision-controlled processes to arm components against extreme wear. Wayland required three grueling cycles and a flock of geese. BorTec achieves superior results today in a single, controlled process lasting only a few hours.
| Feature | Wayland’s Method (Legend) | Modern Technology |
| Medium | Organic matter / Geese droppings | Boron-yielding powders, pastes, or gases |
| Process Type | Uncontrolled Diffusion | Controlled Boronizing or Nitriding |
| Reproducibility | Trial and Error | Micron-precise diffusion layer control |
| Hardness Level | Subjective (“Anvil Test”) | Defined Vickers Hardness (up to 2800 HV) |
From the Forge to 21st-Century Industrial Diffusion
Medieval blacksmithing was a constant quest to transform the soft iron of the North into “miracle weapons.” In this context, Wayland acted as one of the world’s first “materials optimizers.” Today’s engineers face challenges remarkably similar to those of the legendary smith: materials must withstand extreme mechanical loads without becoming brittle.
BorTec bridges the gap between ancient tradition and high-tech engineering. While conventional nitriding creates a hard surface layer, Boronizing goes a decisive step further. By diffusing boron atoms into the substrate, we create extremely hard boride phases. These offer a level of wear protection against highly abrasive media that King Nidung could only have dreamed of, all while ensuring maximum cost-efficiency and process reliability.
Precision Case Hardening through Nitriding
What Wayland attempted through organic enrichment, BorTec perfects through controlled industrial nitriding. This thermochemical diffusion process enriches the surface layer with nitrogen, increasing surface hardness while improving fatigue strength and corrosion resistance. Because the process occurs at relatively low temperatures, dimensional stability is maintained, unlike the violent quenching used in traditional blacksmithing.
Modern Applications of Material Optimization
Optimizing material properties is a core requirement in modern mechanical engineering. Today, our advanced diffusion processes are widely utilized across the following sectors:
Valves and Fittings:
Protecting metallic seats and stems against premature wear and galling (adhesion).
Food Technology:
Hardening stainless steel components (e.g., filling systems) while strictly maintaining corrosion resistance and hygiene standards.
Oil & Gas industry:
Safeguarding tubing, OCTG, and drilling tools against extreme abrasion and erosion in aggressive environments.
Agriculture:
Boriding wear parts in direct soil contact to multiply the lifespan of these heavy-duty components.
Tool and Moldmaking:
Enhancing the performance of forming tools and dies to drastically increase production cycles.
Hydroenergy:
Protection of components such as turbines and impellers against sediment-laden water.
Pumping Systems:
Protecting impellers and housings from cavitation and abrasive particles in the flow media.
The Evolution of the Forge: Hardening Stainless Steel with BORINOX®
One historical challenge has long persisted: Brittleness. With stainless steel, traditional hardening often compromises corrosion resistance. The patented BORINOX® process resolves this conflict, evolving Wayland’s intuitive art into a scientific standard.
The process provides highly effective protection against abrasion and adhesion while keeping the vital passive layer of the stainless steel fully intact. The result is a massive increase in hardness, without compromising the material’s signature corrosion resistance.
Does your equipment demand the strength of a legend?
Are you ready to equip your components with a hardness that rivals the legendary Mimung? Let’s analyze which of our diffusion processes will best arm your materials for the most extreme requirements. Our experts are ready to consult you on the possibilities of modern surface engineering.


