At present, countries that master this vortex leaf manufacturing technology internationally are the United States, the United Kingdom, and Germany, and several mainstream European and American countries.

The best ones among them are the United States and Britain, and Germany is now behind. As for Japan, they can only play the scraps that have been played in these few countries to fool people.

For example, the United Kingdom and the United States have now begun to study single-crystal vortex leaves. The maximum working temperature limit of such vortex leaves can reach more than 1,400 k.

The current working maximum temperature of the vortex blades developed in our country is basically 600 yuan, and they will deform after passing.

The most important gap among them is reflected in our vortex leaf processing and casting. In this regard, the United Kingdom and the United States have their own unique skills.

For example, in terms of vortex leaf manufacturing, they can achieve integrated casting and ensure the smoothness of the vortex leaf surface.

The reason why they can do this is fundamentally because they are developing in materials science.

For example, using nickel, cobalt and iron as basic materials, if these materials are to be fused together, they must have a high temperature of at least 1,400 degrees, and this is not their limit.

They can also increase the temperature by 1,000 degrees and then add elements such as niobium and molybdenum, which allows them to create higher grade vortex leaf alloys.

They also mastered crystal forming technology, which means that they can use micro-growth to make vortex leaves, which is simply a fantasy for us.

To us, controlling the growth of alloy metals is simply a dream.

And with it, they can also match the turbine with a special cooling device, which can reduce the working temperature of their vortex leaves by 300 to 400 degrees, which increases the working life of their turbocharged turbines in another aspect.

This is also a difficult challenge for us.

A small turbocharger seems simple, but it integrates too much, too much technology, experience and the crystallization of wisdom.

Just like Li Yifan’s understanding of the quality, ability, and work attitude of the so-called scientific research personnel in China, if they are still like this, even if they are given another hundred years, they will not be able to create such a turbine.

However, what he created from Saab's database this time can be said to be too important, especially the turbine manufacturing technology here. If his technicians can fully understand it, at least our turbojet engine can be improved by two levels.

Not to mention the high-end ones used on planes, they are used in cars. We only need to understand them thoroughly and make them. Although we can't mix them with Honeywell, it is definitely comparable to BorgWarner.

Regarding the manufacturing of automobile turbochargers, the problem that has always troubled us is also reflected in the manufacturing of vortex blades.

This kind of vortex leaf you make is not only light, but also hard, and can continue to work at a high temperature of about 1,000 degrees to ensure that it does not deform or be corroded.

Although it does not need to reach the altitude of an aircraft engine, it is already a big difficulty for domestic technicians.

Although the materials of the vortex leaves are just a few, they are nickel, cobalt, iron, and a little higher-end one with niobium and molybdenum.

But how to reasonably pinch these metal elements together to form them so that these elements are arranged in an orderly manner is the biggest problem.

In these information, Saab people provide a manufacturing path that is completely different from that of the British and Americans. They choose the so-called casting method of metal injection.

This method originated from the Catalog technology in Buffs, Germany, but the Swedes improved this technology, improving some of the original problems of this technology, thus using this technology to the extreme.

Several metal powders can be melted first through high-temperature sintering technology, and then sprayed into the model in public through a spray gun, and quickly formed through rapid cooling.

To put it bluntly, this is a deformation of 3D printing technology. This kind of thinking is something that many technical experts have never thought of.

No wonder the Swedes have their own set of defense, just because they are so imaginative and innovative, so they are worthy of being one of the world's technological powers.

Although they can only lead in a certain field, their lead in this field is enough.

For Li Yifan, these technologies are simply god-given treasures. If you master them thoroughly, it will not be difficult for his Chenhua Automobile to become the overlord of the domestic automobile industry in a few years.

When he thought of this, he felt that he could no longer stay in Europe. The so-called European style is actually just like that after seeing through it.

Modern cities are not much different from several major cities in China. On the other hand, the skyscrapers are not as good as the capital and Puhaido in China.

The history they are proud of is just a few small towns with a little ancient European style. If you want to see one or two of these towns, you can see enough. If you look at the others, you will find some things that change the soup but not the medicine, and it doesn’t make much sense.

If it weren't for waiting for Tang Tian, ​​he really wanted to fly back to China as soon as possible.

It took a total of one week to scan these data into the computer, and used more than 70 500g of computer hard drives in total.

Not only did he copy one, he also copied several copies, and then after checking that it was not missed, he burned all the paper materials with a torch.

Heidi took these materials to China by private plane. He would keep them properly after he went there and hand them over to him when he went back.

After all, these are all sensitive information. If you take an ordinary civil aviation route, you will easily be blocked by the people here.

It took too long to travel to sea, so he was not very relieved to have it, so taking Heidi's private jet is the most cost-effective.

When Heidi left, it happened to be when Tang Tian arrived in Europe. He took Tang Tian to Antwerp city and found a hotel to stay in.

Although Heidi told him that when she was away, he could use the castle at will, just like his own home.

But how could he have such thick skin?

After all, it was Heidi's home. How could he have taken another woman to fool around in Heidi's home?

I took Tang Tian to Belgium, Netherlands, Britain and France for a walk around these countries. Tang Tian was very happy, but Li Yifan was always concerned about the information that had been secretly transported to China.

A week later, he couldn't wait to board the plane to the country with Tang Tian.

After returning to China, he sent someone to retrieve some information from Heidi and then went back to the provincial capital directly.

Although it was already the school season, he didn't care. To be honest, as his family's industry grew bigger and bigger, more and more places were needed to distract him from managing. He was already a little doubtful, is it necessary to continue his university?

Why do you go to college? Many parents think that this is a stepping stone, getting a good diploma or learning useful knowledge is the capital for students to base themselves on society in the future.

But these things are useless to Li Yifan. After all, even if he does nothing now, he doesn’t have to worry about his future livelihood. As for finding a job, there is no need to say, have you ever met a president who needs to find a job?

However, studying in college and obtaining a graduation certificate from Jingshi University is a crucial thing for his parents.

After all, this is a major incident in Guangyao's family, so he can't decide if he wants to drop out of school. After all, there are still expectations from his parents.

So what he can do now is to skip classes if he can. In the end, he may not fail the subject in the exam.

When he returned to the provincial capital, he was picked up by his elder brother-in-law before he had time to go to Chenhua Factory.

Some time ago, with Yang Yuhe's status in North Province, their business finally expanded to the provincial capital.

Phoenix Winery successfully merged Yiguoshao Winery and has begun its early expansion and rectification. The trial production should be at the end of the year.

The eldest brother-in-law also opened his real estate company to the provincial capital. The first project to be constructed was the branch of their Zhengyang Hotel in the central area of ​​the provincial capital.

The building is a deconstructed by the twin towers. It has a large area and a grand enough momentum. Now that the project has started construction and construction, my brother-in-law has asked him to go and check it out again.

The hotel is located in the west of the city. This is the most prosperous area in the provincial capital and is a core area in the old city.

The land they took was a former unit of an old state-owned enterprise. Because of the tricks from the American scammers some time ago, the unit also lost a lot of money. This time, it had to sell the old headquarters and move it to the suburbs of the city. The land finally fell into their hands.

"Yifan, see how fast your brother-in-law is?"

My eldest brother-in-law brought Li Yifan to the twenty-eighth floor of the hotel under construction with a bit of show-off. In just one summer, he built such a high building. It is really fast for my brother-in-law to build the dawn of his brother-in-law.

In fact, he also got a bargain because the unit in this place originally wanted to build two new buildings. When they took over, they even dug up the land level. If it weren't for the American liar's case, it wouldn't be their turn to take over this land.

"Yes, the speed is quite fast. If you continue to do this, the hotel should be completed by this time next year and the interior decoration will begin."

"Well, that's right, if you do it quickly, it's definitely not bad. You can move in completely by the end of next year."
Chapter completed!