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Chapter 1208 The so-called Japanese craftsman spirit

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    Professor Sun's voice unfolded slowly and unhurriedly in the form of a voice-over. This was not because Professor Sun was deliberately trying to gain a reputation, but because Professor Sun Yi had suffered from polio when he was young, which caused him to walk.  It was very strenuous. Walking around this test site every day was very tiring, so Zhuang Jianye specially installed a video surveillance and real-time voice system so that Professor Sun could monitor various areas of the test site while walking as little as possible.  Case.

    Of course, if it were anyone else, let alone walking hard, even with broken legs, seeing so many high-level leaders coming, they would have to crawl to the scene to make a good impression in front of the leaders.

    But Professor Sun is not such a person. If not, when he was at the Beijing University of Aeronautics and Astronautics, he had an unhappy relationship with the factory led by the head of the aircraft engine manufacturing factory who was tough on Zhuang Jianye.

    Sun Yi has nothing to say about doing scientific research, doing academic work, or doing experiments. He is devoted to it wholeheartedly.

    However, when you reach certain levels and positions, you don't just do these academic things and you can enjoy the so-called results, you also have to develop some interpersonal relationships, maintain authoritative leadership, strive for the welfare of subordinates, review seniority, in short, scientific research  External matters account for 90%, and most of the remaining 10% are intrigues.

    Due to his physical disability and the habit of studying that he had developed over the years, Sun Yi was very bad at dealing with people. However, he could not resist the fact that Sun Yi was born with a physique to excel in academics, and he dominated every exam. So starting from middle school, this god of learning was  Cheating all the way, he eventually became the first batch of publicly funded international students after the reform and opening up, and brought his miracle of dominating the examination room to the United States across the ocean, thus becoming a legend in the Department of Applied Materials of MIT.

    Such people will naturally be reused when they return to serve in the country. In fact, in terms of level and treatment, Sun Yi has indeed received much higher things than his peers, and even a level that many people cannot reach in their lifetime.

    But in terms of the environment, Sun Yi is really uncomfortable. He just wants a quiet scientific research environment. Unfortunately, everyone at the top and bottom feels that it is ridiculous to talk about scientific research in his position. If we want to talk, we should also talk about politics and principles.  !

    But in Sun Yi¡¯s case, the so-called politics and principles are actually very simple, that is, doing your own thing well and showing off your strengths.

    However, the general environment made Sun Yi's simple ideals lack the so-called sense of mission, so Sun Yi, who did not understand these things, became increasingly uncomfortable. At the same time, many people, including the person in charge of the aircraft engine manufacturing plant, were dissatisfied with Sun Yi.  Yi's evaluation is that after so many years of reading books, what's the use if you can't even manage interpersonal relationships?

    Under such circumstances, Sun Yi, who was exhausted both physically and mentally, finally resigned and prepared to go to the United States. Even if the United States was in trouble, at least it would give him a quiet place to conduct research.

    As soon as Sun Yi left, the research on ceramic heat-resistant coating materials he led came to a standstill. There was no way. Nowadays, the gap between domestic ceramic material research and the international mainstream is quite large. Therefore, in the applied materials major of MIT,  Sun Yi, who specializes in ceramic materials, became an authority in this field as soon as he returned to China.

    Otherwise, the person in charge of the Hangfa manufacturer cannot come to the door to come to the door. What bird door cooperation is done. As a result, the cooperation is that they are unparalleled, and in the end, Sun Yi was furious.

    However, the person in charge of the aircraft engine manufacturing plant and others did not pay too much attention. After all, Sun Yi left a lot of things behind. Even if he stopped completely, he could still extract one or two application technologies from the existing results.  , becoming the person in charge of that aviation engine manufacturing plant is a rare achievement and qualification.

    But Sun Yi, who was supposed to go to the United States, actually appeared at the Ascendas Group's aviation engine test and research center, which made the person in charge of the aircraft engine manufacturer a little surprised.  After people digested this information, Sun Yi's next words were like a heavy hammer that almost broke the fragile little heart of the person in charge of the aviation engine manufacturing plant.

    "Now the No. 1 and No. 4 engines of the TNB-19 aircraft engine test aircraft have been disassembled. The core engine of this WD-66 large bypass ratio turbofan is the same as the WD-62mvp. It is the 2.5th generation core engine of our group.  , this set of core engine has a feature, that is, it adopts the integrated design of the combustion chamber and the high-pressure turbine guide. The advantage of this is that the high-temperature jet ejected from the combustion chamber can make the crazy flow when passing through the high-pressure turbine guide.  The heat flow is completely straightened out, making it more efficient when driving the high-pressure turbine to rotate. It will also increase the service life of the turbine, thereby greatly extending the time between aircraft engine overhauls.

    ¡° However, in order to do so, it is necessary to ensure that the guide vanes on the high-pressure turbine guide can withstand the impact and burning of high-temperature heat flows of up to 1,300 degrees Celsius or more, so extremely high requirements are placed on the blades.

    To this end, I proposed two technical routes. One is to use the original nickel-based metal alloy guide blades with ceramic heat-resistant spray coating on the outer layer.?, just like the high-pressure turbine guide of the No. 4 engine; the other uses ceramic matrix reinforced composite materials as the guide blades. The No. 1 engine uses this record line.

    Facts have proved that my second plan is obviously more effective than the first one. You can take a closer look at the two engines. Their flight time is about 120 hours. However, the No. 4 engine with ceramic heat-resistant coating has  The guide vanes on the high-temperature turbine guide have already appeared defects visible to the naked eye, so the condition of the No. 4 unit is not stable. On the other hand, the No. 1 unit uses the new ZBF-600 ceramic-based material and is still intact, and the engine thrust is always  In good flying condition.  "

    After hearing what Professor Sun said, the heads of the aircraft engine manufacturing plant, including the deputy director, quickly turned around between Unit 1 and Unit 4 for several times, and looked at it dozens of times.  Only then did we confirm that what Professor Sun said was indeed correct. Several blades on the high-pressure turbine guide on the No. 4 aircraft were indeed defective. Although it was not obvious, it was indeed a huge flaw in a precision product such as an aero engine.

    ¡°The complete opposite of Unit No. 4 is Unit No. 1. Not only are there no defects visible to the naked eye, but even using flaw detectors, no faults can be found.

    Which of the two is better or worse, not to mention all the senior people present, even a child who has just become sensible can tell the difference without hesitation.

    At this time, the heads of the aircraft engine manufacturing plant who thought they had the upper hand fell into collective silence again. Then, including the deputy director, they all looked directly at the aircraft engine manufacturer who had a tough fight with Zhuang Jianye.  principal.

    "Everyone, the ceramic coating spraying technology of our factory is absolutely guaranteed. You must know that all our spraying equipment are imported from Japan. The meticulous craftsmanship is definitely not comparable to that of domestic products"

    "Okay, my leader, you can imagine the losses caused by using Japanese equipment in aircraft engine manufacturing. Even they themselves dare not use it in this way. Congratulations, the Japanese will definitely be grateful to you. In this case, please help me."  Busy" The person in charge of the aviation engine manufacturing plant wanted to forcefully explain, but before he could finish his words, Zhuang Jianye interrupted him with a smile, and immediately stuffed a guide blade that came out of nowhere into the hand in front of him.  He patted the other party's thick hand and said, "Bring this guide blade to the Japanese and see if they can use the spirit of Japanese craftsmanship to make it intact for me!"

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