TL: Carburization occurs when carbon enters the surface layer of a tal or alloy. The dissolved carbon remains in solution or reacts with the tal to form carbides. Both chanisms strengthen or harden the surface of the tal. (shorturl.at/zSTY8)
Of course, steel can rust, but the corrosion rate of steel is much slower than that of iron. Using steel wire to make a net can solve the problem of fish farming to so extent. Of course, it is better to use nylon and other materials to make fish nets, but the world has not started to engage in the chemical industry, and only so alchemists are conducting the most basic chemical research.
When the Queen saw the steel wire, all her pride just flew out, and she was angry, How much steel do you need to make a net that can encircle the river and raise fish? How much money do you need? Just to raise a few fish, you put so much steel into it, which will only lose money, and it is impossible to profit."
Robb laughed and said, "No, you are mistaken. Steel will soon beco one of the most worthless things in Westwind Town. Well, after you dig a mine like , your steel will also beco worthless. Then you will find that it is very cost-effective to use steel wire as a net to raise fish. Do you believe it?"
The little head of the Cat folk head shook from side to side. If he doesn't believe it, he doesn't believe it at all. How can steel beco the least valuable thing? This thing has never been worthless. It's always very expensive. A steel pot can sell for a lot of money.
However, Miss Queen believed it!
Because she knew that Robb's mining company's ability to produce steel was extrely abnormal. With the cooperation of the mine cart and the large slting furnace, the molten iron was spewing out of the furnace like it was free of money, and the speed was crazy.
The only thing to be thankful for is that the railway track that Miss Queen's sister managed to build up by using iron from smashing pots and pans has also been added to the mine tunnel. Before long, her mining company will also start to produce iron in large quantities, which will barely keep up with Robb's ga.
But for now Miss Queen can't keep up with one thing, steel!
Robb's steel is made by hand, with high hardness and corrosion resistance.
However, the Queen's subordinates still use the old process of "making steel by a hundred hits", that is, they repeatedly knock on iron for a hundred tis. They remove impurities and improve its hardness by constantly beating it, and then it will beco hard and black as if it is very powerful. They call it "steel".
In fact, in the eyes of a modern man like Rob, it is still iron, and can't be called steel at all.
The Queen looked aggrieved and said, "How did you make this steel? You just rubbed your hands and refuse to teach ."
Robb said, "Why don't we just teach you how to eat?"
"Because you took advantage of the fact that won like to eat sweets and cheated out of my mind!" Miss Queen said solemnly, "I really don't like steel. You can't cheat in this respect, why don't you teach to forget about it?"
Robb laughed loudly, "You are a crazy woman. In a word, you just want to cheat out of my technology, but you don't want to spend money. Forget it. Let teach you!"
In fact, Robb can't teach. Because he can't teach it to others, it's Robb's ga skill.
But he was very clear about one thing: it was unscientific to rub steel with his own hands all the ti, which was not conducive to the developnt of the whole society, nor was it conducive to his laziness. If he wanted to sit idly and enjoy everything, he could not always rub steel with his own hands. He had to let the world's technology catch up.
As a matter of fact, Robb himself did not know how to make steel. He only knew the general idea that if iron and carbon were mixed in a certain proportion, iron could be changed into hard and more powerful steel. The hardness of steel is related to this ratio.
It doesn't matter if you don't understand. As long as you can remind Miss Queen, she will always succeed in her research by devoting her kingdom's efforts to it.
Robb smiled, "Do your blacksmiths know the carburizing thod?"
"Carburizing?" The Queen was stunned for a mont. She imdiately turned around and said to the man next to her, "Find the most powerful blacksmith imdiately. Imdiately, imdiately."
Her Majesty stressed her tone and said, "Imdiately, imdiately." Of course, after a while, an old blacksmith was brought to the crystal ball.
"Carburizing, understand?"
When the Queen asked, the blacksmith imdiately shook his head and said, "I don't understand!"
Robb thought to himself, [Yes, but they probably didn't know that their process was called "carburizing"]
He changed his question and asked, "How do you change iron into steel?"
The blacksmith smiled and said, "This is simple. Burn the iron in the charcoal, and the iron will be extrely hard. Then well take it out and beat it hard again and again, and it will beco steel!"
"Yes! This is carburizing." Robb couldn't help applauding after hearing this. How aweso! People in this world do not know chemistry, but after thousands of years of exploration, they know how to burn iron in charcoal and burn it. In this way, carbon can penetrate into iron and make it harder. This is called the wisdom of working people.
Robb smiled and said, "Well, your thod is very powerful! But do you know why iron is harder when it is burned in charcoal?"
"I don't know!" The old blacksmith shook his head, "Why on earth does it happen?"
Robb smiled and said, "Well, the next thing I want to say is a divine craft. Listen carefully. If you don't understand, I don't care. I'll just say it once. How much you understand is your destiny. If you learn, you are the best blacksmith in the world. I won't be responsible if you don't."
As soon as the words ca out, the blacksmith could not help but listen to them. The queen beside him waved her hand imdiately. A secretary ca out from the side, picked up his pen and put on an expression of being prepared to record everything.
Robb smiled, "In any technology, the principle must be clarified first. Only when you understand the principle can you make it better. Let tell you the principle of steel making. Steel is ford by combining iron and carbon in a certain proportion."
The secretary quickly noted everything.
The old blacksmith asked, "What is carbon?"
Robb smiled, "As for carbon, it's too troubleso to explain. You only need to know that carbon is a substance contained in charcoal, coal and other fuels. If it enters iron, it will make iron hard. Therefore, your burning behavior of putting iron in charcoal is to let carbon enter iron, which is what I originally said - carburization."
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