新一代飛機起落架用馬氏體時效不銹鋼的研究

新一代飛機起落架用馬氏體時效不銹鋼的研究Research and Development of Maraging Stainless Steel Used for New Generation Landing Gear

飛機起落架的性能與飛機的使用安全性密切相關(guān)，因此提高飛機起落架用材料的綜合性能至關(guān)重要。本文通過總結(jié)目前飛機起落架用材料的應用現(xiàn)狀和存在的問題，提出了新一代飛機起落架用材料的發(fā)展方向，并重點介紹了一種新型起落架用鋼的微觀組織和力學性能。通過研究Fe-Cr-Ni-Co-Mo-Ti系馬氏體時效不銹鋼中Co元素對其微觀組織和性能的影響(“Co效應”)，發(fā)展出一種兼顧高強度、高韌性和優(yōu)異耐蝕性能的新型馬氏體時效不銹鋼，并對其應用前景進行了展望。

Properties of landing gear are closely related to the service safety of aircraft. Thus, it is essential to improve the comprehensive properties of the material used for landing gear. This article briefly introduces the application status and existing problems of currently used landing gear materials, and a key factor so called “Co effect” which may affect the microstructure and properties of landing gear materials is discussed in detail. Finally, based on the experimental results, a new maraging stainless steel as a promising steel for new generation landing gear material is developed, and its mechanical properties, corrosion resistance and application prospect are described.

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作為值得信賴的合作伙伴和高品質(zhì)金屬合金的半成品供應商，通項公司擁有完善的服務體系和專業(yè)的團隊。在同客戶交易的過程中，我們力求根據(jù)不同的應用需求將我們的產(chǎn)品做到精益求精。針對當前和未來的市場需求，通項公司致力于為客戶提供優(yōu)質(zhì)的金屬材料解決方案。

TXCO has been a reliable partner and supplier of sophisticated and high-quality semi-finished products maed of alloys. In dialogue with our customers, we optimise our products to meet the specific application requirements. TXCO develops the superior alloy material solutions for current and future challenges.

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