I am farming in the real world.

Chapter 288 Unknown iron crystal configuration!

Looking at the values ​​displayed on the ultrasonic sensor, everyone in the laboratory gasped.

You know, as long as metal materials are in a solid state, their mechanical wave conduction properties can be tested by applying external forces such as knocking.

The simplest way to understand it is to take a piece of metal and hit it hard to see how loud the noise is.

The lower the vibration sound, the lower the vibration properties of the metal and the more stable its structure!
Common metals in life, such as lead, mild steel (low carbon steel), tungsten, etc., are all low-frequency metals used in practical applications.

Low-carbon steel is also widely used in metal parts such as bridges.

Because low-carbon steel has excellent strength and corrosion resistance, and because of its low-frequency properties, it can effectively reduce the resonance hazards caused by bridges in daily use.

The steel structures on some large bridges have huge sizes and their natural frequencies can be as low as 1-10 Hz.

However, in front of this metal toy with a frequency far lower than 0.0001 Hz, all the metal materials known to mankind were beaten into slag.

Even a single crystal with a very stable element structure may not be able to measure such results on the ultrasonic sensor device in front of us.

"No wonder Tesla was stumped by this toy!"

"It's incredible that this is just a handicraft made of a single element of iron, but it has such a level of structural stability!" Professor AstraZeneca muttered to himself as he looked at the test data, his eyes filled with as if he had discovered a new world.

Sure enough, just as the assistant in the laboratory was transferring the bamboo dragonfly toy to the next high-magnification scanning electron microscope (SEM) for further process analysis.

The screen connected to the microscope soon presented a horrifying picture to everyone in the laboratory!

In the picture magnified 500 times, the metal bamboo dragonfly toy did not have the metal fracture as Professor AstraZeneca subconsciously believed, but instead presented an unusually smooth visual effect!
The so-called "metal fracture" refers to the morphology and texture characteristics that appear when metal materials are processed through cutting and other processes.

This term is very common in materials science and can be used to infer the fracture mechanism, failure cause and mechanical properties of materials.

Such as ductile fracture, brittle fracture, fatigue fracture, intergranular fracture and so on.

Each fracture corresponds to a different processing technology.

Especially in the field of high-precision machining, it is a very common practice in the industry to observe the tolerance of parts through a X400 electron microscope.

But you should know that no matter which type of metal processing technology is used, whether it is water jet, laser, or traditional metal file or boring tool, it will leave very obvious fracture marks on the surface of the processed metal.

Especially when this kind of trace is placed under an electron microscope and magnified 500 times, the jagged edges, burrs or bumps on the metal fracture should be revealed immediately!

However, this bamboo helicopter toy broke this stereotype and brought Professor AstraZeneca and others to another dimension.

"OH! MY! GOD!"

"How come there is no break?"

"Magnified 500 times, this is already at the 'miao (0.1 silk)' level! Mechanical processing should not be able to exceed this precision!"

"Unless it's semiconductor technology..." Professor AstraZeneca muttered to himself as he looked at the screen with a tingling scalp.

When everyone realized that the precision of this toy had surpassed the traditional mechanical processing precision, Professor AstraZeneca asked his assistant to continue changing the testing equipment.

This time, we went directly from the scanning electron microscope (SEM) to the scanning transmission electron microscope (STEM), which is a higher level of magnification.

This level of microscope can combine computer algorithm imaging and magnify up to 100 million times at a time to obtain information on the morphology and composition of the object being tested.

However, as the assistant continued to increase the magnification, from X500 all the way up to X10000, the metal fracture in the impression never appeared on the screen.

Such a terrifying scene almost made Professor AstraZeneca break down!
“Unbelievable!” “Even after breaking through 10,000 times, I still can’t detect the break!”

"Has China's machining accuracy reached this level?"

“Is this the comprehensive hard power of the world’s largest manufacturing country?”

“What kind of technology was used?”

Professor AstraZeneca was completely stunned.

The assistant who was doing the test at the side reminded him: "Professor! Why don't we try it? We should use the high-angle annular dark field imaging system to directly measure its atomic scale!"

Professor AstraZeneca immediately became excited after hearing this and said loudly: "Just use HAADF-STEM. I don't believe that we can't find its fracture at the atomic scale! It's just a piece of metal processing, not a semiconductor wafer..."

The so-called high-angle annular dark field imaging system is a core function of the scanning transmission electron microscope, which can scan the surface of the sample by generating an extremely fine electron probe through the emission electron gun (FEG).

The theoretical resolution of this technology can reach 0.05-0.1 nanometers, which is enough to distinguish the atomic distances of most elements.

This technology is usually used in the semiconductor field or physical research, and is rarely used in the analysis of products in the mechanical processing field.

After all, the atomic spacing in the silicon (Si) crystals that make up the semiconductor wafer is only 0.23 nm, which is just within the detection range of this imaging system.

However, when several assistants enthusiastically turned on the high-angle annular dark field imaging system and scanned the bamboo helicopter inside and out.

The surface structure of the sample presented on the computer rendering screen made everyone present's brains boil!

The dense array structure of densely packed elemental iron (Fe) elements is like an insurmountable knowledge barrier, which has posed a dimensionality reduction blow to the researchers at Oak Ridge National Laboratory, each of whom holds a Ph.D. degree!

The iron crystal structure was so different from any known to mankind that Professor AstraZeneca scratched his messy hair and screamed as if he had seen a ghost.

"No way!"

"The crystal structure in front of us is neither the body-centered cubic structure of α-Fe, nor the face-centered cubic structure of the austenite parent phase γ-Fe, nor even the body-centered cubic structure of δ-Fe!"

"This is a completely new iron crystal configuration that does not exist in the database!"

"This level of smelting technology... and this incredible processing precision... How many good things have those Chinese researchers hidden?"

Professor AstraZeneca looked at the test image displayed on the screen with red eyes, as if he had discovered a milestone in materials science.

Because once the preparation process of this unknown iron crystal configuration can be conquered and published, not to mention being published in SCI journals, even the Nobel Prize in Physics will be within reach!
Asking Oak Ridge National Park to test this unknown iron crystal, isn't this clearly an attempt to sabotage us?

They gave others samples but did not provide relevant papers and preparation process ideas.

This is just like searching online for teacher XX’s mysterious code, and finally finding the code, but it’s stuck loading and you can’t download it to your computer to enjoy it!
So, Professor AstraZeneca called Musk in with a resentful look on his face and shared the shocking test results with him: "Mr. Musk, I have good news and bad news to tell you. Which one do you want to hear first?"

Musk swallowed his saliva and said nervously: "First... listen to the bad news first!"

He was almost having a nervous breakdown from being tortured by this damn bamboo dragonfly toy along the way, so he decided to start with the bad news.

Professor AstraZeneca sighed upon seeing this, "The bad news is: this toy is beyond the ability of our laboratory to replicate. I can even guarantee that there is no physics laboratory in the entire America or even Europe that can crack it."

"If a metal product with a completely new crystal structure is used as a toy, I think your company has offended a business rival with technology comparable to that of the Trisolaran aliens!"

(End of this chapter)