激光熔覆改性鋁合金技術(shù)專利發(fā)展演進(jìn)

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摘 要：通過對(duì)激光熔覆改性鋁合金專利技術(shù)進(jìn)行分析，分別從激光熔覆改性提高鋁合金表面耐磨性、耐腐蝕性及耐高溫性三個(gè)方面對(duì)專利文獻(xiàn)技術(shù)發(fā)展脈絡(luò)進(jìn)行梳理，從而繪制其具體技術(shù)演進(jìn)路線，并對(duì)鋁合金表面激光熔覆專利技術(shù)趨勢(shì)進(jìn)行預(yù)測(cè)。

關(guān)鍵詞：激光熔覆；鋁合金；專利

PATENT DEVELOPMENT OF LASER CLADDING MODIFIED ALUMINUM ALLOY SURFACES TECHNOLOGY

Ma Jing

（Patent Examination Cooperation Tianjin Center of the Patent Office，CNIPA Tianjin 300000，China）

Abstract：This paper analyzes the patent technology of laser cladding modified the surface of aluminum alloys， and combs the technological development of the patent literature from three aspects of laser cladding modification to improve the wear resistance， corrosion resistance and heat resistance of the surface of aluminum alloys， so as to draw its specific technological evolution route， and predict the trend of the patent technology of laser cladding on the surface of aluminum alloys.

Key words：laser cladding; aluminum alloys; patent

0 前 言

鋁合金具有比強(qiáng)度大、密度小、易加工、耐腐蝕性好和導(dǎo)電性與導(dǎo)熱性好、無磁性等優(yōu)良的綜合性能[1-2]，廣泛應(yīng)用于汽車、航空航天、船舶等領(lǐng)域。（剩余5185字）