The 384th chapter he burned this, bulletproof glass! (1, please complete the order!)

“The first step in refining glass is to crush it first. I don’t have a special stone crusher, so I can only use this stupid method.”

Lin Han said, grabbed a new stone and placed it in the pit, then swung the big hammer,

“beep!

Under his enormous strength, the stone turned into powder in an instant.

Although it is a stupid method, his strength is very powerful. With the blessing of internal force, basically every stone only needs to be beaten once, or twice at most, to achieve the effect of crushing by a pulverizer.

“Boom! Boom!”

In the live broadcast room, the sound of Lin Han smashing stones was constantly heard.

“This is also called a stupid way? I just opened a glass factory, and Lin Shen’s hammer is much more effective than my crusher! 33

“One punch can turn a stone into powder, and I wonder how much force it would take?”

“This is easy to calculate. The compressive strength of quartz stone is 147~294MPa, and the compressive strength is p=P/A. Where p is the compressive strength, P is the pressure, and A is the cross-sectional area. Used by Lin Shen The hammer, the cross-sectional area is about the size of a fist, we calculate 35 square centimeters. Then bring in the formula, we can quickly calculate what the pressure is… It should be 5145kg, 10,000 pounds. ”

“Hey, the math is weird! 19

“God, please take my knee!”

“My God, Lin Shen has a power of 10,000 catties when he hits down with a hammer!

In Lin Han’s live broadcast room, there will never be a shortage of great gods.

Of course, the friend above said that the 720 is not accurate, and no one will compare it. Watching the live broadcast is a fun in itself, and if you are serious, you will lose.

The four framed stones were all turned into powder by Lin Han in less than half an hour.

However, his Wujin forging hammer, of course, was not damaged at all.

Wujin was called a forging artifact by the forging world. With the strength of a stone, it was naturally impossible to wear it out so easily.

“Okay, let’s go to the second step: preheating.”

Lin Han said, while operating.

The smashed powder was dug out of the pit and poured into a prepared container.

“The process of preheating is mainly to remove the chemically bound water, adsorbed water and free water in the ingredients. When doing this step, everyone should pay attention. Because of the poor thermal conductivity of the body, direct high temperature heating and sintering It will cause the oxidation of carbon on the surface and make the foaming uneven. Therefore, at the beginning, the temperature should be controlled at four hundred degrees.”

Lin Han no longer has a thermometer, so he can only judge the temperature by his own experience.

Of course, during the warm-up, he added some special elements, but he didn’t tell Da.

After all, he was just making an attempt based on the knowledge and experience given by the traditional system.

In the end how much success rate, he (aifb) himself does not know. In order not to be slapped in the face, it is better not to tell everyone first.

The preheating process separates the quartz from other impurities.

The whole process is very simple to operate, but requires someone to be there all the time.

After preheating, it is sintering.

Sintering is to heat up rapidly after the preheating, raising the temperature from 400 degrees to between 650 and 750 degrees.

The purpose of rapid heating is to prevent the excessive decomposition of the foaming agent, and to make the gas phase that increases sharply with the heating of the body encapsulated in the body without rhythm, so that more gas phase can be obtained.

Sintering is for foaming, and after the foaming is over, the foaming is stabilized.

Let the temperature quickly cool to about 600 degrees, and quickly fix the bubble structure generated in the embryo.

The last step is annealing,

Annealing is a relatively long process, and it usually takes twenty-four hours to cool the embryos down to room temperature.

The glass made by Lin Han has some special elements added to it, so the cooling time is longer.

Until the evening of the next day, Lin Han’s glass was gradually cooled around the mold.

“Okay, now is the time to witness the miracle!”

Through the induction of the earth, Lin Han has already checked that the glass in the mold is intact.

Not only that, the strength and hardness of the glass are better than I imagined.

It appears that the experiment was successful.

“Friends, please take a look, these glasses are a little rough, but there is no problem in using them to prevent the wind.!

Lin Han saw that a piece of glass was taken out of the mold and placed in front of the camera for everyone to see.

Although the surface of the glass is not absolutely smooth, it does not affect the light and sight.

Of course, as Lin Han said, it is absolutely enough for wind protection.

“Lin Han, I feel this glass is different from what we usually use.

Li Shuixin knocked the enemy on the glass and made a “bangbang” sound.

Netizens were shocked,

“This… is definitely not the sound of ordinary glass.!!”

“What Lin Shen is doing is, tempered glass! Only tempered glass will make such a crisp sound. If it is ordinary glass, the sound of the inquiry should be a dead sound. 93

In the live broadcast room, many netizens analyzed it.

Of course, everyone’s guess is not as good as Lin Han’s experiment.

“When I was firing glass, I added some special elements, sodium chloride and Meng. I had the mentality of giving it a try, but I didn’t expect it to be successful.”

Lin Han smiled slightly and announced his answer.

Of course, he is not afraid of technology being learned.

Even if you tell the world what elements to add, police officers may not learn it.

How much and when?

A little bit of poor control can ruin an entire batch of glass.

If anyone happens to be able to learn it, Lin Han has nothing to lose. Even if he goes back, he will not open a glass factory. These techniques are learned by police officers, which are human abilities, and should be regarded as making some contributions to the cause of mankind.

“These pieces of glass should be stronger than tempered glass. You can try it with a hammer.”

Lin Han handed Li Shuixin the forging hammer he smashed the stone yesterday, and then grabbed a piece of glass and put it in the air.

“Let… let me smash the glass with a hammer?”

Li Shuixin’s eyes widened in surprise.

She wanted to ask: Lin Han, are you serious?

“Let’s try it, we have made so much glass this time, even if a piece is broken, it’s fine. Try its strength and let everyone see it. 99

Lin Han explained.

“All right.”

Having said that, Li Shuixin did not hesitate.

Also, at most, a piece of glass is broken.

“Are you ready?”

Li Shuixin grabbed the forging hammer and did not forget to remind Lin Han.

“bring it on.”

Lin Han grabbed the glass with both hands and placed it on her forehead.

However, Li Shuixin was afraid that if she used too much force, she would hurt Lin Han after smashing the glass. So the first hammer didn’t work hard.

“!”

The hammer fell on the glass, and after the crisp sound of hair clipping, it was bounced back.

Use “Power!”

Lin Han smiled and said it was very relaxed.

“Okay!

Li Shuixin also discovered that the glass was very hard. So the second time, it used three times as much force.

“pin!

The glass hook made a loud noise and still shot the hammer back.

And the glass in Lin Han’s hand is intact!

“My God, it’s not bulletproof glass!”

“Is the heroine not working hard? Impossible, I have no problems with my ears.

“Definitely bulletproof glass, the bomb of the atomic bomb!

“The forest god who is so good at me can break human technology by firing any piece of glass!

“Dad, apply for 100 million, I want to open a glass factory…

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