The characteristics of black iron can be summarized as follows:
1. The color is dark black, showing reddish light;
2. High density (this sword weighs ninety-nine and eighty-one catties, if converted according to the measurement of the Song Dynasty, it is about 102 catties today);
3. Magnetic (absorb the opponent's hidden weapons);
4. High melting point (When the Mingjiao was connected to the broken knife, it was burned at a high temperature, even the pliers were bent, and the dragon knife still did not melt.)
5. High hardness and high mechanical strength (cut iron like mud after cutting)
6. It has very powerful doping and modification characteristics (this black iron is the most precious treasure in the world, and it is extremely difficult to get one tael. Among ordinary swords, guns, swords and halberds, as long as you add half a tael, all iron will become a sharp weapon. )
The characteristics of black iron can be summarized as follows:
1. The color is dark black, showing reddish light;
2. High density (this sword weighs ninety-nine and eighty-one catties, if converted according to the measurement of the Song Dynasty, it is about 102 catties today);
3. Magnetic (absorb the opponent's hidden weapons);
4. High melting point (When the Mingjiao was connected to the broken knife, it was burned at a high temperature, even the pliers were bent, and the dragon knife still did not melt.)
5. High hardness and high mechanical strength (cut iron like mud after cutting)
6. It has very powerful doping and modification characteristics (this black iron is the most precious treasure in the world, and it is extremely difficult to get one tael. Among ordinary swords, guns, swords and halberds, as long as you add half a tael, all iron will become a sharp weapon. )
After summarizing some of the properties of black iron, we will analyze it slowly:
an explanation
According to preliminary judgment, this substance may be some kind of ceramic or alloy.
Analyzing all the current special ceramics, it is found that properties 1, 2, 4, and 5 can be satisfied. Usually, ceramic powder doping is used to change certain functional properties such as photocatalysis, self-cleaning, piezoelectric, etc., and of course ceramic powders are also used to enhance them. Mechanical properties such as the addition of superhard silicon carbide, silicon nitride, and tungsten carbide ceramic powder to enhance wear resistance are basically inseparable from compounds composed of several elements such as carbon, nitrogen, silicon, tungsten, and titanium. As for magnetism, we know that when the microscopic particles of a substance are as small as nanometers, the magnetic properties will change, so the possibility of "ceramics" is reserved first.
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Gu Tianle's version of Yang Guo is carrying a dark iron heavy sword
Analyzing the properties of special alloys, it is found that properties 1, 2, 3, and 6 can be satisfied, and there are many alloys with high hardness, such as coated titanium nitride, titanium nitride carbide, titanium aluminum nitride, and cubic boron nitride, etc. "Metamorphosis" coated tungsten, cobalt, tantalum, niobium (such as tungsten titanium tantalum or tungsten titanium tantalum niobium) cemented carbide, the hardness is close to diamond. However, there are not many that meet the high melting point, and only exist in some high-temperature resistant alloys, such as cerium-tungsten alloys, iridium, molybdenum, platinum alloys, etc., but the melting point is still (far) lower than that of ceramics, and here basically revolves around tungsten, titanium, Cobalt, iridium, molybdenum, tantalum, niobium and several other metals and their alloys, so this possibility also exists for special alloys.
Therefore, Xuantie, an artifact that should only be in books, may be some kind of nano-metal oxide special ceramic or metal carbide nano-alloy material in the real world.
another explanation
There is also a saying that the black iron epee is high manganese steel. In the original book describing the role of black iron, it was written that every iron mixed with one tael or eight coins will become a sharp weapon. This description is correct. Epee sword edge, great skill does not work. This description is also correct. The former mentioned the desulfurization effect of manganese.
China's iron ore is generally of low grade and high in sulfur content. The weapons made with high sulfur content are naturally prone to brittleness. Iron smelting and steelmaking mixed with a certain amount of manganese steel will reduce the sulfur content and naturally increase it. the strength of the weapon. As for the epee without a front, it's a coincidence that it doesn't work because Gao Menggang can't use the front.
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Xiao Zhao holding the torch
The surface of the high-quality high-manganese steel forms a hard shell due to the action of austenite. When it is squeezed and ground, it has self-hardening, high strength, and is very durable. When dealing with the Golden Dragon Whip, no fine lines will be left even if it is scratched by a diamond. It is the image depiction of this characteristic. Of course, the Moore hardness of diamonds is 10, and there must be scratches, but they are not obvious, and we cannot see them with the naked eye. Therefore, high manganese steel is usually formed once, and it is difficult to process it twice, and it is even more difficult to make a breakthrough. There is still a saying in the mouths of the old people in the steel factory... Carbon steel for knives, manganese steel for axes. The ax made of manganese steel is strong and durable, and it will not be broken after being hit by love. Besides, the ax does not require high sharpness. So manganese steel is the best choice.
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Huang Xiaoming's version of Yang Guo carrying a dark iron epee
But manganese steel is not perfect. It has some small problems, that is, its density is only slightly higher than that of ordinary steel. There are still some deficiencies in the dark iron epee to be made into a magic weapon. Therefore, the grasp of the weight requires a real golden ratio. Make the center of gravity of Xuantie optimal and reach the highest state.
Coincidentally, in modern tank manufacturing, excellent manganese steel is also an essential material choice, especially the tracks, which are almost all made of manganese steel.
However, high manganese steel is non-magnetic, while black iron heavy swords are...
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At present, one of the more mainstream sayings is: tungsten steel. Tungsten steel is a well-known hard metal, which has a high melting point, high hardness, and is not easily deformed.
However, the current tungsten steel is generally sintered, and it is quite difficult to cast. It is not known whether the ancient casting technology can achieve it.
In fact, there is another option for making black iron epee, that is depleted uranium, its specific gravity exceeds gold, and its hardness is really harder than other metals. However, it is not resistant to high temperature, and there is radiation, so it is directly out of the game here.
What is the black iron epee made of? If you have to correspond to a material we are talking about now, the editor thinks that you should not be able to find it. But the beauty of the world in the book lies in its elusiveness, maybe one day, a black iron epee will really come out!
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