An Ning: Let the "heart" of the aircraft not be afraid of high temperature

The aeroengine provides power for the aircraft and is the "heart" of the aircraft

"At the moment of ignition, the temperature of the combustion chamber of the aero-engine is as high as 1,800 degrees Celsius, and the rotational speed is as high as 20,000 rpm

"Whether the engine can work depends on whether the superalloy works!" An Ning said

During the operation of the aero-engine, the friction between the superalloy turbine blades and the casing or cylinder block will lead to safety accidents

Before Anning and his team members developed high-temperature alloy foils, this basic material was completely dependent on imports.

In the summer of 2014, 25-year-old Anning was appointed by the company as the project leader for superalloy foils

"Why can't we do it"

This problem, An Ning has been waiting for a long time

To this day, An Ning still remembers an experience that his mentor said in 2012: at an international academic seminar in the field of materials, "bullshit foreigners" did not believe that the Chinese could make high-performance single-crystal superalloys

"Why can't we do it?" An Ning said, "Our country can now not only make high-performance single crystal superalloys, but also superalloy foils

And this kind of "dissatisfaction" has long taken root in An Ning's heart

In 2001, "sea and air guardian" Wang Wei flew a J-8II fighter jet on a flight mission.

"Although I don't work in a large aerospace group, I just make parts and materials, but my feelings of serving the country are the same as theirs

A strong sense of mission made Anning speed up

　　"The rolling mill is broken, I will bear the consequences"

　　Analyzing thousands of sets of data and conducting hundreds of process explorations.

　　For failure, An Ning is very calm, but she also has moments when she is not calm

　　When stressed, Anning would go hiking with friends or watch a movie

　　And the place where An Ning works is another kind of "artillery fire"
.

　　Walking into the workshop where Anning works, before getting close to the melting furnace, the rolling heat wave is already blowing
.
Amid the roar of the machine, she fastened the straps of her safety helmet, skillfully pressed the power switch, and picked up the measuring tool
.

　　In summer, the temperature in the workshop exceeds 40 degrees Celsius, and An Ning and his colleagues' clothes are all soaked
.
Sometimes, they're so focused on reading the measurements that sweat runs down their cheeks and into their eyes so hard that they can't keep their eyes open
.
"In order to see if there are holes in the material and what the rolling parameters are, we often have to stay in the workshop, but none of the project members complained about being tired
," she said
.

　　On May 14 this year, the first flight test of the first C919 large aircraft was successful
.

　　Seeing the tranquility of the news, a smile appeared on the corner of his mouth
.
She knew that her dedication to the national conditions, along with the high-speed rotating engine, also "flyed" over the motherland
.

(Science and Technology Daily intern reporter Sun Yu)