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The engineers of Japan Chunshan Magnetic Materials Co., Ltd. Penyu and Zhongchuan Yuan have come to China to participate in an academic conference.

After the meeting, two people intended to stay in Beijing for two days and strolled a few places of interest.

On the first day, the host of the meeting was formerly to find them, and he was very enthusiastic to give him two tickets for two material exhibitions, and a car sent them to the door of the pavilion.

The organizer of the meeting made two people feel some inexplicably.

If you think about it, it seems that there is still a little bit of stress, so both feel that it is very good.

However, after they didn't want to come to the exhibition hall, they all met their disrespects of the meeting, because their attention was attracted by the group of magnet fences arranged by Qinhai. .

As an expert in the long-term magnetic material research, Huiyef and Zhongchuan Yuan Li are very clear about the development of today's permanent magnet materials.

A finger-size magnet can produce such a powerful magnetic property, which is completely exceeded in the range of two cognitions.

In the moment, Pingyufu even gave birth to a desire to take the small magnet, even if you can't take the whole magnet, just scraped some magnetic powder from above, to him It also has great significance.

However, after seeing the look of the security guard, he gave up this kind of uncommon idea, and he went to the magnetic material exhibition hall of Zhongchuan Yuanyuan.

At the exhibition hall, two people look at it, found that () is actually their acquaintance to the audience in the booth, that is, the associate professor of the Yangcheng University of Technology Sun Yuxi.

Everyone is engaged in permanent magnet materials, Sun Yuxi has also went to Japan to participate in the academic conference, and hit a hand in Hiyufu and Zhongchuan Yuan Li, so they know each other.

Penyan knows that Sun Yuxi has a trend in the study of permanent magnet materials.

If the strong magnetic material of the gate is coming from Sun Yuxi's hand, it is very well explained.

"Hey, Sun Jun, is it really you?"

Penyu squeezed to the booth, put a surprise look, and greeted Sun Yuxi.

Sun Yuxi saw two Japanese.

Hurry and find a helper to explain to the audience, yourself bypass the booth and come to the front of the Hiyu and Zhongchuan Yuan.

"It is a wilder, and there is Zhongchuan Jun, how do you come to China?"

Sun Yuxi smiled with Japanese greetings.

For the two people in Pingyu and Zhongchuan Yuan, Sun Yuxi did not feel anything, but there were a few points of peers.

However, Qin Hai said in advance to he greet him. I want to take a big pit to Japan's new products just developed.

Sun Yuxi naturally has to accept this arrangement, but because there is such a psychological preparation, he will not help but feel a sense.

"We are coming to participate in the academic seminar of NdFe Materials, yes, what did Sun Jun did not participate in this meeting? In China, the authority of NdFeterials is studying NICEs, and Non-Sun Jun is a.

Yifeng asked.

Sun Yuxi smiled.

Said: "I am busy this time, and the organizers will notify me before.

I'm refused.

In fact, it can't be completely said because it is busy, it is mainly what I have not contacted NdFeim ... "

When he said, he suddenly took the mouth, forced swallowing behind, and revealed a bit of a look.

"Sun Jun said, do you not do NdFe?"

Pingyeqi caught the mystery of Sun Yuxi very sensitive.

He faintly felt that the new magnetic material exhibited at this exhibition may be related to Sun Yuxi's research direction.

The neodymium iron material belongs to a rare earth permanent magnet material.

Permanent magnet materials are also known as hard magnetic materials, which refer to strong magnetic materials with strong anti-refundability and higher residual magnetic inductance strength.

Permanent magnet materials include cast permanent magnet alloys, deformable permanent magnet alloys, hard magnetic ferrite, rare earth permanent magnet alloy, and bonded magnets.

Rare earth permanent magnet materials refer to a permanent magnet alloy containing rare earth material and is one of the highest performance in all permanent magnet materials.

According to the difference in production time.

Rare earth permanent magnet materials can be divided into three generations.

The first generation of rare earth permanent magnet materials are rare earth cobalt magnets, namely rare earth elements and metal cobalt; the second generation material is based on the first generation, replacing a portion of the price of more cheap iron, copper, zinc, etc. More expensive rare earth elements, alloys in which rare earths, iron and cobalt have a lower cost and strong magnetic, and the most typical representative is a cobalt alloy.

In 1983, Japan first reported a third-generation permanent magnet material without cobalt, and a typical product is a compound formed by rare earth, iron and boron, and is simply referred to as NdFeB, which is directly referred to as NdFe material.

NdFeB is much higher than the cobalt alloy, and because there is no high price of cobalt, the cost is relatively low and rapidly become the leader in permanent magnet materials.

Since the beginning of the 1980s, people have not invented a permanent magnet material than NdFeB magnetic properties.

Sun Yizhi's past research expertise is NdFeB, through incorporating other rare earth elements in NdFe boron, he invented the maximum magnetic energy to reach 390 kW-scale materials per cubic meter, which exceeded the highest level of Japanese scholars. Therefore, the respect of the Japanese scholars such as Pingyufu.

However, Pingyanfu knows that even the new NdFeB material, its performance is much farther than the magnet of the gate, that is, in this time, Sun Yuxi must be invented. Good material.

In the past 10 years, the study of higher performance permanent magnet materials is mainly concentrated in doping of NdFeB materials.

If Sun Yuxi can invent the higher performance of the material, as he does, there is no contact with NdFe material for a year, which means that the formulation of this new material should be in the abundant, iron and boron. A new combination, this information is too important for people who engage in permanent magnet materials.

"The study of NdFeBs has entered the bottleneck.

Sun Yuxi is sorry to say to Pingyu and Zhongchuan Yuan. "I plan to try with other rare earth elements, and may have better discovery.

"These permanent magnet materials are your new discovery?"

Zhongchuan Yuan Li pointed to the various demo materials in the exhibition hall.

"These are just part.

Sun Yuxi used a modest tone and said that the cow roof.

"Sun Jun, I think the magnetic energy intensity of these materials is much higher than NdFeB, how did you do it?"

Penyan asked anxiously.

Sun Yurong has a color, said: "Pingyu.

Not I don't want to tell you, really ... you still don't know, I am not working in the Beijing University of Technology. The institution I now serve is Anhe Materials College, which is a private research institution, so ... "

Behind.

Sun Yuxi does not need to say it. It is natural to understand.

If Sun Yuxi is still in the Beijing University of Technology, then make a new type of material, the most important thing is to quickly write articles to publish. For peers who come to exchange, he will not twist down to confidential, but will put all Technical mystery to the opposite side of the part.

In the past, many technologies were not in a small number, and many technologies were the first to discover, but they were patented by foreign companies.

Agency similar to the Beijing Institute of Technology is disdainful for things such as the application for patents.

They may even be proud because others apply for patents with their own technology.

Ping Yifeng is so bluntly understanding the technical details to Sun Yuxi, but also because of the habit of Chinese scholars.

In his way, as long as you compliment Sun Yuxi a few words, he will definitely reveal the most important technical links.

In many cases, it is a window paper. If Sun Yuxi can help Zhang Ye, it can quickly break into Japan, so it will quickly develop technology, and can grab it in Sun Yuxi. prior to.

Register all the patents an empty.

However, Sun Yuxi told the Hiyufu.

I am not working in the Beijing University of Technology. His current work unit is a private research institution.

Private agencies are not more than state-owned units, and people must pay attention to economic benefits.

One technology is developed, and private institutions will definitely go to register patents and ask researchers to strictly confidential.

Sun Yuxi wanted to hint from Hiyufu and Zhongchuan Yuan.

That is to have information.

"So, Sun Jun, have you applied for a patent?"

Yifeng asked.

Sun Yugong said: "I don't know much about the specific details, but it is said that our legal department has sent this technology to the international patent organization, and now it should be during the approval.

After a period of time.

You can retrieve our application information.

"If our Chunshan is hoping to cooperate with your school, what should I contact?"

Penyi asked again.

Since the other party has applied for a patent, then I want to seize the possibility of this patent. If he is going to consider it now, it is to refer to its second, see if it can establish a cooperative relationship with the other party, and then wait for the biggest in cooperation. interest.

Sun Yuxi used his hand and said: "Our college has a consultation at the exhibition hall there, you can go there to negotiate with our sales staff.

Wang Xiaochen's Japanese who said to Qinhai is the Yifeng and Zhongchuan Yuan.

In order to make a declaration in Qin Hai, Qin Hai sees a password, so the two did not get the information you wished to know in Wang Xiaochen.

However, Wang Xiaochen also left a chance to let them come to Qinhai directly to negotiate.

After Pingyef sent it to the company, decided to temporarily change the trip and stay in China to meet with Qin sea.

After a few times, after a few times, Qin Hai finally promised to meet them.

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