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    • 94. 发明公开
    • ULTRA HIGH STRENGTH 6XXX FORGED ALUMINIUM ALLOYS
    • 超高强度6XXX锻造铝合金
    • EP3215648A1
    • 2017-09-13
    • EP15790515.9
    • 2015-11-02
    • Constellium Valais SA (AG, Ltd)
    • SKUBICH, AlexisJARRETT, MartinBERTHERAT, Marc
    • C22C21/02C22C21/08C22F1/05
    • C22F1/05B21C23/001B21J1/06C22C21/02C22C21/08C22F1/002
    • An aluminium alloy forged product obtained by following steps: a) casting a billet from a 6xxx aluminium alloy comprising: Si: 0.7-1.3 wt. %; Fe : ‰¤ 0.5 wt. %; Cu: 0.1-1.5 wt. %; Mn: 0.4-1.0 wt. %; Mg: 0.6-1.2 wt. %; Cr: 0.05-0.25 wt.%; Zr: 0.05-0.2 wt. %; Zn: ‰¤ 0.2 wt.%; Ti: ‰¤ 0.2 wt.% , the rest being aluminium and inevitable impurities; b) homogenising the cast billet, at a temperature T H , which is 5°C to 80°C lower than solidus temperature Ts, in the range of typically 500-560°C, for a duration between 2 and 10 hours; c) quenching said billet down to room temperature by using water quench system; d) heating the homogenised billet to a temperature between (Ts - 5°C) and (Ts - 125°C); e) extruding said billet through a die to produce a solid section with an exit temperature (typically 530°C) lower than Ts (typically 550°C), and with an extruding ratio of at least 8; f) quenching the extruded product down to room temperature by using water quench system; g) stretching the extruded product to obtain a plastic deformation typically between 0.5% and 10%; h) heating cut-to-length extruded rod to forging temperature, typically between 400 and 520°C; i) forging in heated mould between 150 and 350°C; j) separate solutionising at a temperature between 530 and 560°C for durations between 2 min. and 1 hour; k) water quenching the forged and solutionised material down to room temperature; l) room temperature ageing for a duration between 6 hours and 30 days; m) ageing to T6 temper by a one-or multiple-step heat treatment at temperatures ranging from 150 to 200°C for holding times ranging from 2 to 20 hours.
    • 一种铝合金锻造产品,其通过以下步骤获得:a)由6xxx铝合金铸造坯料,所述6xxx铝合金包含:Si:0.7-1.3wt。 %; 铁:≤0.5wt。 %; Cu:0.1-1.5wt。 %; Mn:0.4-1.0wt。 %; Mg:0.6-1.2wt。 %; Cr:0.05-0.25重量%; Zr:0.05-0.2wt。 %; Zn:≤0.2重量%; 钛:≤0.2重量%,其余为铝和不可避免的杂质; b)在比固相线温度Ts低5℃至80℃的温度T H下,在典型的500-560℃的范围内使铸坯均质化2至10小时; c)通过使用水骤冷系统将所述钢坯骤冷至室温; d)将均化的钢坯加热至(Ts-5℃)和(Ts-125℃)之间的温度; e)通过模具挤出所述坯料以产生具有低于Ts(通常550℃)的出口温度(通常530℃)并且挤出比率至少为8的固体部分; f)使用水骤冷系统将挤出产物骤冷至室温; g)拉伸挤出产品以获得通常在0.5%和10%之间的塑性变形; h)将切割成长度的挤压棒加热到锻造温度,通常在400和520℃之间; i)在150至350℃之间的加热模具中锻造; j)在530-560℃的温度下分开固定2分钟。 和1小时; k)将锻造和固溶的材料水淬至室温; l)室温老化6小时至30天; m)通过在150至200℃的温度范围内进行一步或多步热处理而老化至T6状态2至20小时的保持时间。
    • 95. 发明公开
    • A HIGH-STRENGTH AL-MG-SI ALUMINIUM ALLOY AND ITS MANUFACTURING PROCESS
    • 高强度AL-MG-SI铝合金及其制造工艺
    • EP3214191A1
    • 2017-09-06
    • EP17468001.7
    • 2017-03-02
    • Impol 2000, d. d.
    • Cvahte, PeterJelen, MarinaVukasin, DragojevicMatej, Steinacher
    • C22C21/02C22F1/05
    • C22C21/02C22F1/05
    • The subject of the invention is a high-strength Al-Mg-Si aluminium alloy and its manufacturing process. The alloy contains 1.3-1.7 wt. % of Si, 0.14-0.25 wt. % of Fe, up to 0.75 wt. % of Cu, 0.7-0.8 wt. % of Mn, 0.85-1.1 wt. % of Mg, 0.15-0.25 wt. % of Cr, up to 0.2 wt. % of Zn, up to 0.1 wt. % of Ti, 0.15-0.25 wt. % of Zr, and other elements up to 0.15 wt. % (single element up to 0.05 wt. %), and the rest being Al. The manufacturing process includes the charge preparing, melting, melt holding, semi-continuous billet casting or continuous bar casting, homogenizing, cutting of the billets, extruding, forming, and heat treatment. The alloy is produced with high mechanical properties, good formability and corrosion resistance, lower energy consumption, and environmental protection during production and application.
    • 本发明的主题是高强度Al-Mg-Si铝合金及其制造工艺。 该合金含有1.3-1.7wt。 %的Si,0.14-0.25wt。 %的铁,高达0.75wt。 %的Cu,0.7-0.8wt。 %的Mn,0.85-1.1wt。 %的Mg,0.15-0.25wt。 %的Cr,高达0.2wt。 %的Zn,高达0.1wt。 %的Ti,0.15-0.25wt。 %的Zr和其它元素高达0.15wt。 %(单一元素高达0.05重量%),其余为铝。 制造过程包括装料准备,熔化,熔体保持,半连续坯料铸造或连续棒材铸造,均质,切割坯料,挤压,成形和热处理。 该合金具有高机械性能,良好的成型性和耐腐蚀性,能耗低,在生产和应用中具有环保性。
    • 100. 发明公开
    • HIGH STRENGTH ALUMINUM ALLOYS
    • HOCHFESTE ALUMINIUMLEGIERUNGEN
    • EP3117018A1
    • 2017-01-18
    • EP15760680.7
    • 2015-03-11
    • Sapa Extrusions, Inc.
    • LUKASAK, David, A.
    • C22C21/00
    • C22F1/05C22C21/02C22C21/08C22F1/043
    • The invention is a class of new 6XXX series high strength aluminum alloys with a fine grain structure and methods of manufacture and extrusion. Aluminum alloys of the invention comprise from about 0.90 percent to about 1.2 percent by weight silicon, up to about 0.5 percent by weight iron, from about 0.05 percent to about 0.3 percent by weight copper, up to about 0.75 percent by weight manganese, from about 0.70 percent to about 1.0 percent by weight magnesium, up to about 0.25 percent by weight chromium, up to about 0.05 percent by weight zinc, up to about 0.1 percent by weight titanium, with the balance consisting essentially of aluminum. The alloys are cast and homogenized, then extruded, quenched and artificially aged to produce a fine grain crystallization in the final aluminum product exhibiting superior yield strength and elongation properties.
    • 本发明是一类新型6XXX系列高强度铝合金,具有细晶粒结构和制造挤压方法。 本发明的铝合金包含约0.90重量%至约1.2重量%的硅,至多约0.5重量%的铁,约0.05重量%至约0.3重量%的铜,至多约0.75重量%的锰,约为 0.70%至约1.0%的镁,至多约0.25%的铬,至多约0.05%的锌,至多约0.1%的钛,余量基本上由铝组成。 将合金铸造和均化,然后挤出,淬火和人工老化,以在最终的铝产品中产生细晶粒结晶,表现出优异的屈服强度和伸长性能。