1959: Carrying the achievement system, she rolled

In this era, the love and marriage of soldiers were subject to certain management and regulations. In fact, this was not only the case in this era, but also in later generations.

According to the regulations, two people need to submit a relationship report to the political work department before confirming their relationship.

Only after obtaining approval from the organization can two people establish a romantic relationship. This is not only for the purpose of standardized management, but also for supervision and restraint.

Just after lunch, two reports were placed on Director Song’s desk.

Director Song looked at the two reports in front of him, then looked at the two parties involved, and was completely stunned.

What's happening here?

It was clear that last night at the dinner table, the two of them acted as if nothing had happened, but today they both came to submit reports at the same time.

Director Song didn't care how the two people got together, he just waved his hand and approved it.

According to the normal process, a political review is required, which is to understand the family background of both parties.

However, the two of them had passed multiple levels of review before entering the institute, and he had all the information. He handled all the review and verification work by himself.

The main reason was that he couldn't wait any longer. Once the issue between the two of them was resolved, it would mean that two of his major problems had been solved.

In just one day, the news that the two were dating spread throughout the institute.

Qin Chulong suddenly agreed to the blind date, and then quickly became a couple with Wen Yan. Many people found it incredible and believed that Qin Chulong had planned this for a long time.

But overall this is a good thing. Doing research every day is boring, so it's nice to have a happy event once in a while.

Everyone who saw Qin Chulong couldn't help but tease him, asking questions like when he would get the wedding candy.

Everyone thought he would be embarrassed, but who knew he actually said seriously that he would have to wait for Comrade Wen Yan's consent before submitting the marriage report.

This is the thing, but there is no need to answer with such serious words, right?

No matter how people outside discussed Qin Chulong, he didn't care. He only knew that he was in a very happy mood.

……

In the laboratory, three teachers and students were discussing the manufacturing of tungsten alloy armor-piercing bullets.

Because some materials are too expensive, they dare not experiment easily. The materials of each component must be discussed, deliberated and determined repeatedly before they can start.

Moreover, before this, there was no accurate setting for the structure of armor-piercing projectiles.

Du Yimeng had the drawings, but she didn't dare to take them out easily. She could only take them out bit by bit carefully during the research process.

That's right, it's not an easy task to produce tungsten alloy armor-piercing bullets.

Some materials cannot be produced with the current level of technology and need to be replaced by other materials.

However, some materials are too expensive and not suitable for the current national conditions, and need to be replaced with cheaper materials.

Tungsten alloy armor-piercing projectiles are different from previous high-carbon alloy armor-piercing projectiles in both structure and components.

High carbon alloy armor-piercing bullets are composed of several parts, such as the wind cap, the cap, and the projectile body, while tungsten alloy armor-piercing bullets have several times more parts.

The main force of the former is the projectile, while the main force of the latter is the pointed armor-piercing block, and its material is tungsten alloy.

During the armor-piercing process, the bullet core made of tungsten alloy will basically not deform, but it will form fragments after penetrating the armor, thereby increasing the lethality and destructive power of combustion.

Tungsten alloy armor-piercing bullets also have a body, but its function is to support the core.

The projectile core maintains stable rotation during flight, and can break instantly when hitting the armor, then release the projectile core and penetrate the armor.

The reason why a projectile body is needed is that the diameter of the projectile core is small, only 1/3 to 1/2 of the gun caliber. This design is to improve vertical armor penetration performance.

"I think the projectile can be made of low-carbon steel." Du Yimeng made his own suggestion. In fact, the material of the projectile on the drawing is aluminum alloy.

But she thinks that compared with the two, the functions are similar, and low-carbon steel costs less.

"Why not use high-carbon steel? We can take advantage of its high strength, high hardness and wear resistance to destroy the armor surface first and then penetrate the armor. In this way, can't we improve the armor-piercing ability?" Wan Ping argued.

His idea was to counteract hardness with hardness to create more favorable conditions for the bullet core. It is undeniable that his starting point was correct.

"High carbon steel has poor corrosion resistance and is prone to rust and corrosion in a humid environment. Although it has good wear resistance, it is also prone to wear." Du Yimeng directly refused.

"But low-carbon steel is different. Its toughness and plasticity are higher than high-carbon steel, and its function is sufficient to support and protect the tungsten alloy core inside." Du Yimeng continued.

"But the hardness of low-carbon steel is not as strong as that of high-carbon steel," said Wan Ping.

"The hardness of high-carbon steel will not only not be an advantage here, but will become a fatal flaw. It is too hard. If the projectile body cannot break during impact, the core inside cannot be released." Du Yimeng explained.

As she spoke, she looked at Wan Ping with admiration. If it weren't for her scientific research skills.

She was definitely like him, choosing to use high-carbon steel, regardless of whether it would succeed or not, she would give it a try first.

"Don't forget that the main force of our tungsten alloy armor-piercing projectile is the pointed armor-piercing block, and the projectile body is only auxiliary." Du Yimeng explained again.

"Okay, your reason has successfully convinced me." Wan Ping said helplessly. He, the former top student, has become accustomed to being crushed by poor students.

He was a little melancholy at first, but now he is used to it.

Ugh……

It turns out that habit is the most terrible thing. It will make people lose their fighting spirit, but he is definitely not that kind of person.

The reason why he was crushed was because he didn't work hard enough!

He decided that if he could set aside an extra hour for sleep in the future, he wouldn't believe that he couldn't regain the label of a top student.

"You all did a good job. In fact, there is another point. Low-carbon steel is low in cost and easy to process, which can reduce the manufacturing cost of armor-piercing projectiles." Qin Chulong was very satisfied with his two students.

Du Yimeng is the main force in the research of tungsten alloy armor-piercing bullets. Wan Ping is not bad either, although most of the suggestions he put forward were rejected by Du Yimeng.

But his execution ability is still very good, especially in terms of hard work and perseverance, he is simply the best.

He often saw the light in Wan Ping's room on until midnight, which shows his passion for scientific research.

Now, the two students' ability in researching armor-piercing bullets has surpassed his. Not only did he not feel any negative emotions, but he was actually very relieved.

At this time, Wan Ping didn't know that the label of hardworking and persevering would be nailed to him forever.