Beijing, science and technology.

At the Institute of Materials Technology and Engineering of the Chinese Academy of Sciences, a laboratory is working overtime to test a material.

Even though it's late at night, there are still many people waiting for the results.

"Chief Qin, the test results have come out."

In the laboratory, a middle-aged man in a white lab coat walked in with a test report in his hand.

"How did it turn out?"

Qin Anguo, who had been waiting in the laboratory for a long time, couldn't wait to ask quickly.

"The critical temperature is 152K, and the critical magnetic field can reach 25T." The middle-aged man in the white coat replied with a hint of disbelief on his face: "I'm curious, where did you get this material?" I haven't heard of any research institute or laboratory that has made such a major breakthrough in high-temperature superconducting materials. ”

Qin Anguo quickly asked, "Is this data excellent?" ”

He is not an expert in the field of materials, although he knows some information about superconducting materials, but he does not understand the specific parameters in detail.

Academician Zhang Pingxiang nodded and said: "Not only is it excellent, this parameter can be said to break the current record of high-temperature superconductivity." ”

"At present, the best materials in the field of high-temperature superconducting materials are only able to achieve a critical temperature of about 120K, and the critical magnetic field that can break through double digits is already very good."

"Just like the latest Bi2Sr2Ca2Cu3O10 superconducting material (referred to as Bi-2223) high-temperature superconducting material developed by Sakura Country, the current critical transition temperature is almost 108-110 K, a difference of more than 40K temperature, and the critical magnetic field is 16.8T, which is very different from this one."

After a pause, Academician Zhang Pingxiang then asked, "By the way, where did you get this material?" I haven't heard of any laboratories or research institutes at home and abroad that are researching superconductivity in copper-carbon-silver composite materials? ”

Qin Anguo: "So this material is quite important?" ”

Zhang Pingxiang nodded without hesitation and said, "Of course it's very important." ”

"At present, international superconducting materials, referring to commercialization, are still dominated by superconducting materials that need to be frozen by liquid helium at ultra-low temperatures such as NbTi and Nb3Sn."

"Although through in-depth research on the mechanism of existing preparation technologies, the comprehensive performance of commercial low-temperature superconducting materials is constantly improving. However, ultra-low temperature superconducting materials are undoubtedly very limited, such as the need for liquid helium cooling, and the current price of liquid helium is quite expensive. ”

"But high-temperature superconducting materials are different, the technology of liquid nitrogen preparation is quite mature, and the price is quite cheap, if high-temperature superconducting materials can be commercialized, the use of superconducting materials will be more extensive and popular."

"It's just that at present, there are only a few that can be commercialized in the field of high-temperature superconducting materials, among which Bi-2223 strip and REBCO coated conductor are representatives, and there is only one supplier of Sumitomo Electric Industries Co., Ltd. in Sakura Country."

"As for China, although the research on high-temperature superconducting materials is also quite deep, and there are many types of high-temperature superconducting substrates, they cannot be commercialized at present, and can only be produced in small batches in the laboratory."

Qin Anguo thought for a moment and said, "In other words, if it can be industrially produced, this material will directly monopolize the entire high-temperature superconducting material market?" ”

Zhang Pingxiang nodded and said: "It can be said that even the Bi-2223 strip of the Sakura Country is powerless in front of this superconducting material." ”

After thinking about it, Qin Anguo then asked, "Can this material be applied to a controlled nuclear fusion project or a large strong particle collider or something?" ”

Zhang Pingxiang: "According to the current testing data, there is no problem. ”

After a pause, he thought for a moment and then continued: "Even to a certain extent, it can be applied to electromagnetic weapons or particle weapons, because its critical magnetic field and critical current density are extremely high, and it can provide extremely high strong magnetic fields at short distances. ”

"If you want to talk about the disadvantage, it is that the physical properties of this material are brittle, it is more like a ceramic series of materials, and the shock resistance may not be very high."

"Of course, we haven't tested the specific physical properties, because the material is only two small pieces, and we still need to study it later."

Hearing this, Qin Anguo's pupils contracted violently, and his breathing became two points heavier: "What you said is true?" ”

Zhang Pingxiang nodded and said, "Of course, this kind of thing must be based on data. ”

After swallowing his breath of air, Qin Anguo thought for a moment and said, "In this way, you will come with me to see a piece of data, and then come to judge for me." ”

When the Great Elder handed over the high-temperature copper-carbon-silver composite superconducting materials and related test data to him before, he only provided raw materials to the Chinese Academy of Sciences, and the test data was retained for comparison.

Now it seems that it may be necessary to make a judgment based on the test data first.

If it can really be used in electromagnetic physics or particle beam weapons, then he has to go to Jinling immediately to communicate with that person about the way to deal with this material.

Hearing this, Academician Zhang Pingxiang became a little curious.

Originally, he thought that this material should have come from abroad, and it may have been obtained by some means. This is not something to be surprised about, he has also helped the country analyze a number of 'accidental' materials before.

But now it seems that the materials he analyzed in the past two days may come from a certain laboratory or research institute in China?

After all, people are old and sophisticated, and as soon as Qin Anguo said that he would take him to see the data, he would probably be able to think of something clearly.

It's just that he's more curious.

Is there any laboratory or research institute in China that has such top-level R&D capabilities that can expand high-temperature superconducting materials to this point, and they are not conventional copper oxide-based materials?

Following Qin Anguo, the two came to another office.

Qin Anguo opened the notebook he was carrying with him and clicked on the detailed detection data of high-temperature copper-carbon-silver composite superconducting materials.

"This is the detailed data of that material, please Academician Zhang to help see if the data can meet the standards you said before. If there is something missing, please let me know. ”

Hearing this, Zhang Pingxiang nodded, and took the notebook from Qin Anguo's hand with curiosity.

"How? Does it meet the standards? Half-ringing, Qin Anguo asked nervously.

Zhang Pingxiang: "Judging from the data, theoretically it should be fine. ”

"But the problem I said before is also reflected in this data, that is, this material is biased towards ceramics, brittleness, low shock resistance and impact resistance, and fragile; The low post-processing capability can be fatal if you want to apply it to electromagnetic weapons or particle weapons. ”

"Is there a solution?" Qin Anguo asked quickly.

"Yes, there is." Zhang Pingxiang thought for a while and replied: "According to the traditional solution, it is to supplement it with other seismic materials, just like the cable of ultra-long-distance transmission, and use steel with high tensile strength to support it internally. ”

"And this one is the same, it can be supplemented to a certain extent with cushioning material on the outside."

"But you should be well aware that if it is used in weapons, shock resistance and impact resistance are inevitable."

"So the best way is to optimize the material itself, if it can be optimized, it doesn't even need the tensile degree of steel level, it can be tempered film or glass fiber level, even if it is the lowest grade, and then with cushioning material, it should be enough."

"Of course, whether it can be done or not, I need to meet with the R&D personnel of this material and communicate with him."

He knew that Qin Anguo would definitely go to the R&D personnel of this material in the future, so he expressed in his words that he hoped to follow along, especially after guessing that it was very likely that a certain laboratory in China would make it, he hoped to meet with this mysterious researcher.

He really wanted to see a god of this level who could break away from the foundation of conventional oxide superconducting materials and open up an excellent new route in other fields.

PS: The computer knocked on, and I don't know if it's a solid state or a hard disk or something wrong, anyway, I hung up and sent it for repair (big head. JPG),Today's update is still grinding out with a mobile phone little by little.,The efficiency is low.,Use your mobile phone to grind a chapter at night.,Everyone gets up tomorrow morning and reads.。

Whisper: Yao's computer was bought when he was working for 15 years, and he has used it for eight years. (。 ω。 )

(End of chapter)