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Chapter 987 1.36 micron error

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    Yes, at that moment, everyone from the head of the headquarters to the ordinary technicians, their minds went blank.

    The originally good "returnable satellite" disintegrated in the low-Earth orbit space 33 kilometers above the ground, scattered into hundreds of fragments, and disappeared into nothing in the sky like a goddess scattering flowers. Only a few scattered fragments remained and fell.  In the Xilin Gol Desert of Inner Mongolia.

    Not only that, overseas institutions and media that have been paying close attention to this domestic space science experiment immediately reported on how domestic space technology fell behind and how the technology failed.

    Some Western media have even commented that China¡¯s own technological strength alone is not enough to gain a foothold in outer space.

    In other words, this Western media alluded to the fact that domestic aerospace industry relies on foreign technological capabilities to achieve outstanding performance in recent years. However, when it comes to foreign technology fields that are restricted in transfer, such as so-called "returnable satellites", the true face of domestic aerospace industry will be revealed.  It was exposed, and it was difficult not to stretch my crotch.

    As soon as such views came out, other media outlets echoed them one after another. In an instant, the voices of foreign countries badmouthing domestic aerospace became so rampant that many government organizations or business groups that wanted to hand over commercial satellites to domestic launches had to be deterred, fearing that domestic technology would not be enough.  He stretched his hips and blew up their satellite.

    ¡°However, this is not a serious pain for Ascendas Group and even the aerospace sector. What really worries the country is that some politicians in Europe and the United States who are supported by aerospace giants such as Lockheed Martin and Boeing began to jump up and down based on this report.

    It is said that China has used their advanced European and American technologies to squeeze the market share of its own commercial aerospace industry.

    They also say that China¡¯s huge subsidies for commercial aerospace violate trade rules.

    One of them, a senator from a major country outside the region named Koske, even clamored in public, demanding that Europe and the United States ban the export of advanced aerospace technology and equipment to the country in order to keep the highly profitable commercial space launch business in a major country outside the region and promote employment in his country.  .

    Although Kausik¡¯s instigation did not lead to any substantive actions by European and American governments, technology transfer and spare parts exports in certain key areas have been significantly tightened domestically.

    For Ascendas Group and the entire aerospace industry, this is tantamount to draining the bottom of the fire. You must know that although domestic aerospace development has been rapid in recent years, shortcomings have also become increasingly prominent, such as advanced materials, high-sensitivity sensors, advanced processing equipment, etc.  , China is still unable to produce independently and still needs to import large quantities from abroad.

    As a result, Europe and the United States are restricting technology exports in the aerospace field at this time, which is obviously detrimental to the development of the domestic aerospace industry.

    Commercial aerospace is okay, and at most it will cost you some money, but the "killer trump card" plan is a national weapon comparable to two bombs and one satellite, and it is the strategic cornerstone of whether China can truly rise in the future.

    Especially when the aircraft carrier battle group of a major country outside the region becomes increasingly powerful, and the steady advancement of the National Missile Defense System and the Regional Missile Defense System, two ballistic missile interception systems that were born out of the Star Wars program, have increasingly made the need for a "killer trumpet" program  highlighted.

    Because of this, the impact of export restrictions in Europe and the United States on the "Killer" plan can be described as huge.

    " Otherwise, the head of the headquarters would not have been so angry. In fact, the failure of this space science experiment was like a domino, triggering a series of unpredictable consequences, and ultimately triggered a super earthquake-level impact on the aerospace industry.

    That is, no matter how it is judged at home, in the eyes of foreign countries, this failure is like the little boy who dared to speak in the emperor's new clothes, exposing Emperor Chi Guoguo, exposing the shortcomings and weakness of domestic aerospace.

    Not to mention the plans that affected the headquarters, the shame was also lost abroad, and the direct and indirect losses were as high as tens of billions.

    Not to mention the head of the headquarters, any other leader would be so angry that he would slap the table and curse.

    What¡¯s more, it¡¯s not unjust for Zhuang Jianye and Ascendas Group to be scolded.

    Because the main reason for the failure lies in the warhead shell of fiber-reinforced ceramic matrix composite material.

    Ground test data shows that when the warhead makes its first jump from a low-Earth space orbit 45 kilometers above the ground, the maximum temperature at the top of the projectile will reach about 2,750 degrees Celsius.

    At this temperature, a 2.36 micron oxide layer will be formed on the surface of the shell.

    According to Tengfei Group¡¯s calculations, this oxide layer, which is less than the diameter of a hair, is completely negligible.

    As a result, the problem lies in this oxide layer.

    Based on the study of recovered projectile fragments, technicians found that the 2.36-micron oxide layer in ground tests was indeed insignificant. However, in actual operations in low-Earth orbit, such a thin layer of oxide layer still caused the projectile to eventually disintegrate.  fatal injury.

    Because in the hypersonic state, there are not only high temperatures and high pressures, but also creep caused by oxidation reactions.

    This causes the warhead to fly at high speed in a low-Earth space orbit 45 kilometers above the ground. The 2.36-micron oxide layer causes twists and turns on the surface of the projectile under the action of the high-speed impacting air, and eventually it is overwhelmed and completely disintegrates.

    Therefore, the failure investigation expert group concluded that in order to withstand this creep impact, the high-temperature oxide layer of the warhead shell must be less than 1 micron.

    In other words, the main cause of the accident was serious errors in the calculation and verification of materials by Ascendas Group, which led to the test failure.

    Zhuang Jianye is lying if he says he is not aggrieved.

    ??From the 23rd Factory to today¡¯s Ascendas Group, for more than ten years, only Zhuang Jianye pointed at others and scolded them. When did so many people get scolded?

    However, Zhuang Jianye didn¡¯t blame the head of the headquarters for being more fiery and ruthless. Instead, he felt deeply grateful to this big boss behind the scenes who always stood up for him.

    Because this harsh training is tantamount to scolding oneself to wipe out grudges. Otherwise, the share of commercial space launches has dropped sharply, the import of advanced aerospace technology has been restricted, and the impact on other industries has been too great. Therefore, the head of the headquarters scolding himself is tantamount to  It is to protect oneself, otherwise those interest groups who have been passive will not be able to spare Zhuang Jianye, the troublemaker, no matter what.

    And this is also the reason why Zhuang Jianye keeps a low profile in dealing with whisker ceramic cutting tools. This kind of ceramic material can be used in water-blown warhead shells. Although it cannot be regarded as a miracle because of the 1.36 micron oxide layer error, it is very impressive.  Excellent special tool material.

    After all, the strength, heat resistance and oxidation resistance are among the best among similar materials, so if you can¡¯t use the killer feature, you can¡¯t just throw it into the garbage dump. After all, it is from Ascendas Group, so you must follow Ascendas Group¡¯s internal regulations.  Urinary nature requires making the best use of everything and squeezing out the last remaining value.

    However, it is not good to use it for personal use and blatantly make money. After all, the big brothers in the aerospace system are frowning because they are restricted by Europe and the United States. You are making a lot of money with special tools. What do the big brothers think?  ?  Do you think we are not miserable enough and you want to rub salt into the wounds?

    The big brother of the aerospace industry is not the little brothers of the aviation industry. He is a real big brother who takes death seriously. It is really annoying, and he will never be as good as Zhuang Jianye.

    So, as a person, you have to keep a low profile!

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