Chapter 17

Although he has been upgraded to level 5 apprentice knight, Abel's spirit is still very poor. Master Bentham saw him and hurriedly asked him to have a good rest. Knight Marshall led Abel out of the blacksmith's shop and walked out.

After walking out of the blacksmith's shop, he saw the horse drawn carriage for Marshall's knights coming from afar. Abel couldn't help but look down at the knight's boots, which were covered with mud. Twenty minutes' journey from the castle to the blacksmith's carriage, Marshall could not wait. In order to get to himself quickly, he ran over.

You should know that Marshall knight is a fiefdom aristocrat. It's disgraceful to rush in his own territory, but Marshall Knight did it for Abel.

Abel looked at the happy Marshall knight, who was very embarrassed, but he was happy for his upgrade. He could not help but warm up and said softly, "Uncle Marshall, thank you for everything you have done for me."

"What children want to do so much." The Marshall Knight patted Abel on the head and took him to the carriage, which ran to the castle in the sunshine.

"Ding, Ding, Ding." The next morning Abel had come to the blacksmith's shop early, and asked master Bentham for a separate operation room. The master knew that this was Abel's first time to make a big sword, and he didn't want to be disturbed, so he agreed.

Abel's idea is that he doesn't want others to see how he built this big sword, because he wants to use some technologies that have never been used here, such as carburizing and quenching technologies learned from earth science programs.

The roughcast of the sword should be continuously tempered to reduce the carbon content. The less the carbon content, the higher the quality of the roughcast. However, if the formed sword is carburized and some carbon is added to the blade, the hardness of the sword can be improved.

Abel put the formed sword into a crucible. This crucible is specially made by someone. It can be put into a big sword. It was prepared several days ago. Cover the big sword in the crucible with charcoal, black bean and earth dust. Then seal the crucible and put it into a furnace for heating.

Carbon and Douchi are naturally used for carburizing, and earth powder is still a dispersant. The advantage of this carburizing technology is that the carburizing is very uniform and stable, and the carbon potential is very high, and the efficiency and effect are quite good. In fact, this technology is still in use on the modern earth, which is the so-called "stewing steel method".

When it comes to quenching, there are corresponding technologies for quenching in the world, that is, throwing the sword into cold water for rapid cooling, but this also leads to a large increase in the scrap rate. Because of the rapid expansion and contraction from hot iron to cold water, the internal stress in the metal is out of balance during quenching, which causes cracks in the sword when it is put into cold water. Sometimes after quenching, cracks will appear after taking out for a period of time.

The quenching technology used by Abel this time is a special quenching technology. It is a new method of ancient sword training in science program. When the long sword is taken out of the crucible, first rub it back and forth on the wood carbon, so that the wood carbon can fully contact the sword body, and then put it into the quenching bucket. Half of the bucket is water, the other half is animal oil, which is burned to nearly a thousand degrees When it enters into the animal fat, a lot of heat is absorbed by the fat first, but the heat transfer speed of the animal fat is not fast, and the sword will not be affected by the stress. Then it enters into the cold water. At this time, the temperature is not as high as before. The sword is quenched in the cold water for the second time.

When the big sword was cold, he took it out of the quenching barrel. Abe flicked the surface of the sword with his hand. The sound was very clear. Although the quality of the sword was unknown, the big sword had been made.

Call the servants to clean up the things in the operation room. Abel doesn't want people to see the association of these things. It's a very dangerous thing for the world to invent and create.

"Gaden, can you help me find someone to make a sword?" Abel found gaden, who was busy, and asked shyly.

Some of the handles are made of iron or wood, some of them are made of ox horn or other hard materials, but Abel has not learned how to carve the handles, so he has to ask for help from gaden.

"Is this the first big sword you made?" Gaden took the big sword from Abel's hand, looked at it carefully, and said in an excited, hoarse voice, "this is the big sword of hundred practices? God, it's a hundred practice sword. "

Gaden has been studying with master Bentham for five years. He can only forge 60 drills. 100 drills have always been gaden's dream.

"Master Abel, you are a genius." Gaden sincerely praised, and then gently stroked the body of the sword with his hand. It seemed that he found something. He flicked the back of the sword with his finger, and listened to the echo of the sword with his ear close to the back of the sword.

"It's impossible. How could this happen?"

The performance of this sword is hundred practice, but the hardness of the sword body is far higher than the ordinary hundred practice sword. Master Bentham will make one hundred practice sword every month. These hundred practice swords are one of the sources of Harry castle's wealth. Gaden not only watches the master's sword, but also maintains these hundred practice swords, so he is far more familiar with the hundred practice sword than other people 。

The surface of Abel's big sword is very strange. It's very different from the hundred practice big sword that the master usually makes. Gaden can't say clearly what's different, but experience tells him that this sword is better than other hundred practice big swords.To test this, gaden cut the sword to a piece of wood ready for fuel, almost effortlessly. Like a hot knife, the sword glided over the cream and silently divided the wood into two parts.

"How did you make this sword?" Gaden was impatient to know about the sword.

"I forged it just according to your guidance. Master Bentham helped me when I was in trouble." Abel explained.

It seems that gaden misunderstood that the sword was so good because master Bentham helped Abel finish the last part. He couldn't help but make up his mind to learn from the master and forge such a weapon himself in the future.

"I have collected some very good ox horn, which is just the handle of the big sword. In the evening, I will help you to install it and match it with the scabbard. Can I keep this sword here?" Gaden's idea is very simple. The forging method of this sword is very strange. It's very good for his forging level to have a good study in one night.

This evening, gaden didn't sleep all night. He installed the sword handle with the best horn, and found a crocodile scabbard. Later, he watched the strange sword carefully in front of the oil lamp.

In the morning, gaden came to the blacksmith's shop with a big sword. He was surprised by the observation of the whole night. If it wasn't for fear of damaging Abel's sword, he would like to take it and chop it with Bai Lian sword in the master's warehouse.

"Gaden, what's the matter with you?" Master Bentham could not help but wonder at the red eyed gaden, who seemed to be an honest man who didn't sleep all night.

"Master, I can't understand the sword you made for Abel. I thought about it all night yesterday." After touching his head, gaden looked at master Bentham sheepishly and wondered if he was too stupid.

Master Bentham took over the big sword, pulled out the big sword, and said: "this is the big sword that Abe forged yesterday. I just taught him how to train the roughcast the day before yesterday. When you reach the 80 training bottleneck, I will also teach you."

"This is the big sword, which Abel forged?" Master Bentham was also a little surprised. His experience is much higher than that of gaden. The technology contained in this sword can be said to be a family's secret skill, which can improve the hardness and sharpness of weapons. Although the master was very moved, he knew that spying on a family's secret skill is to form a death feud with that family, no matter which secret skill belongs to the Harry family , from the Bennett family.

No wonder Abel asked to use a separate operation room yesterday. It turned out that Abel wanted to use family secrets to refine the big sword, which can understand Abel's behavior.

Master Bentham warned gaden not to ask Abel about it, as if it had never happened.