Add Bookmark | Recommend this book | Back to the book page | My bookshelf | Mobile Reading

Free Web Novel,Novel online - All in hlnovel.com -> Romance -> take off my aviation age

Chapter 826 Powder High Temperature Alloy Technology

Previous page        Return to Catalog        Next page

    ?This is indeed the case.

    If Ascendas Group¡¯s previous aero engines could only be used in the circles of unmanned aerial vehicles and light aircraft, then the wd-52ml turbofan engine has really entered the market.

    This turbofan engine with a maximum thrust of 5.2 tons was developed by Ascendas Group on the basis of the D-50 turbine gas power unit.

    The d-50 turbine gas power unit is the basic model of the navy's small ship gas turbine. It has been used as marine power for the navy, offshore drilling platforms and some civilian ships for many years.

    The reason why an aero-engine model was not developed immediately is because the D-50 turbine gas power unit itself is too heavy, and the weight of the entire machine has been maintained at about 1.5 tons.

    As a marine or ground power, 1.5 tons is nothing, but it is too big for an aero engine, seriously affecting its thrust-to-weight ratio.

    It¡¯s not that Ascendas Group has never thought about reducing the weight of the D-50, but it has tried many methods for several years, but the effect has never been obvious. The reason is simply because Ascendas Group is stuck in the problem of inadequacies in advanced aero-engine materials.

    You must know that the Tengfei Group at that time had brought ordinary nickel alloys to the extreme. Although the progress of the most cutting-edge ceramic-based, carbon-based and aluminum-titanium alloys was not small, and had even begun to be used on a small scale in some places, the stability of these cutting-edge materials  The performance is slightly poor, and key components such as turbine disks, transmission shafts, rotors, and combustion chambers of aerospace engines cannot yet be used. Therefore, even if Ascendas Group has broad future prospects, it has to face an extremely realistic problem.

    What to do about the gap between traditional nickel alloys and future advanced materials?

    The solution provided by aviation powers such as the United Kingdom and the United States in this regard is powdered high-temperature alloys, the most representative of which is the universal rene series materials, the famous cf-6, cf-34, cf-56, and f-110  This material is used in advanced aerospace engines.

    It is no exaggeration to say that rene series materials are a key factor in the advancement of aerospace engines.

    "Tengfei Group is almost blank in this regard. Let alone Tengfei Group, even the progress of powder superalloys in the country is not optimistic.

    "There is no way this thing is a strategic material among strategic materials. Countries all over the world provide it like a treasure. It is the kind of thing that you can't buy good things no matter how much money you spend."

    If you can¡¯t buy it with money, you have to make it yourself in China, but this thing involves metallurgy, materials, mechanics, basic chemistry and many other disciplines. Aviation powers such as the United Kingdom and the United States rely on more than a hundred years of old foundations and gather top talents from around the world.  The results achieved just now, the modernization process is less than half a century, and the entire country can barely solve the problem of food and clothing, how can it be compared with China?

    It is precisely based on this reality that Ascendas Group has set a development goal of more than ten years for its second-generation core aircraft. There is no way to solve the powder high-temperature alloy technology in a short time. Even if it is solved, it will lag behind aviation powers such as the United Kingdom and the United States.  We can only aim at third-generation aero-engine materials and achieve overtaking in corners as much as possible.

    Based on various practical problems, the status of the d-50 turbine gas power plant within Ascendas Group is actually very awkward. Originally, Ascendas Group was counting on this gas power plant, which is currently the only gas power plant capable of reaching 4,000 kilowatts in Ascendas Group, to be quickly formed, making Ascendas  The next step of the Group's Haidong Qing plan can continue to advance, thereby obtaining the expected huge benefits during the window of opportunity from the mid-1990s to the beginning of the new century when domestic and international regional passenger aircraft are being replaced.

    Due to material difficulties, the D-50 turbine gas power plant is struggling to realize an aero engine just like the second-generation core.

    ¡°With no choice but to look abroad, Ascendas Group hopes to solve this problem by introducing medium-thrust engines. After all, there are only a few windows of opportunity for regional passenger aircraft replacement in a lifetime. If you can encounter one, you can¡¯t let it go.

    The problem is that the introduction of engines can solve the problem, but relevant manufacturers also have many restrictions on Ascendas Group. For example, Pratt & Whitney requires regional aircraft with Pratt & Whitney engines produced by Ascendas Group to obtain European and American airworthiness certificates, otherwise they will never fly.  Not to be sold.

    Because Pratt & Whitney doesn¡¯t know whether Ascendas Group¡¯s Coastline series regional jets meet aviation safety standards, it is afraid that if they are sold, the aircraft will be frequently dropped and the brand will be damaged.

    The British company Rolls-Royce is a little better, not so demanding, but Ascendas Group regional jets that require Rolls-Royce engines to be installed can only be sold in East Asia and Southeast Asia. It is best not to get involved in other places, because Rolls-Royce is in Brazil, Canada  All aviation companies have shares, and Rolls-Royce does not want competition among them to affect the proportion of Rolls-Royce engines.

    As for GM, it didn¡¯t even bother with Ascendas Group, so why should it sell you the engine?  There are so many aerospace manufacturing companies that General Motors holds shares in, and its own people are too busy to handle them, so how can they spare time??Looking outsiders?

    The world's three major aero-engine manufacturers have different attitudes, but one thing is the same as what they have agreed upon, that is, regional airliners equipped with their aero-engines can only be used in the civilian field and must not be used for military purposes, otherwise it will  Maintenance and spare parts supply for aircraft engines have been stopped.

    The reason why Ascendas Group has been able to stumble over the years is that it has been walking on two legs. If the military field is missing, it will be equivalent to cutting off one of Ascendas Group's legs. It would be fine if the domestic aviation market has matured, but the problem is now  The domestic aviation market can only be said to be about to take off, and it will not be able to support aviation manufacturers like Ascendas Group.

    So Ascendas Group is very entangled in the introduction of engines. If you introduce engines, you will be put under a tight curse. It is estimated that it will be difficult to take off in your lifetime. If you don¡¯t introduce them, will you have to watch huge market opportunities pass by?

    Just when the Ascendas Group was troubled by how to make a decision, the Aeronautical Materials Research Institute suddenly came out with good news that excited the entire Ascendas Group. The nickel-based powder high-temperature alloy project led by the institute made a breakthrough and successfully surpassed the first generation of powder high-temperature alloys.  Alloy, a second-generation powder high-temperature alloy was prepared. After testing, its performance is no less than that of General Motors' rene80 material.

    When this news was announced in the industry, other aerospace manufacturers were just stunned. Then they were praised and congratulated. Only Ascendas Group acted quickly and took 10 million yuan to transfer the second-generation powder superalloy technology patent to the company.  Two metallurgical technology experts from the Aerospace Materials Research Institute joined the Ascendas Group.

    In fact, Zhuang Jianye was targeting a former Soviet materials expert who worked at the Aeronautical Materials Research Institute. The reason why the research institute was able to achieve breakthroughs in powder superalloy technology from scratch and across generations was inseparable from this person.  Technical guidance from experts from the former Soviet Union.

    As a result, the Aeronautical Materials Research Institute stopped trying to protect itself, and even the headquarters and ministries also asked Ascendas Group. When Zhuang Jianye saw that the real owner could not be hired, he poached his students. In this way, Ascendas Group was established out of thin air using its "money power"  He started his own high-temperature metal powder research team and quickly made breakthroughs, producing nickel-based high-temperature metal powder turbine disks and nickel-based alloy single crystal turbine blades.

    If you like Soar My Aviation Age, please collect it: Soar My Aviation Age is updated the fastest.  (Remember the website address: www.hlnovel.com
Didn't finish reading? Add this book to your favoritesI'm a member and bookmarked this chapterCopy the address of this book and recommend it to your friends for pointsChapter error? Click here to report