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Short communication/Effect of pressing temperatures on strength of Al_(85)La_(10)Ni_5 alloys

机译:短时间沟通/压制温度对Al_(85)La_(10)Ni_5合金强度的影响

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摘要

Using a powder hot pressing technique, high strength Al_(85)La_(10)Ni_5 alloy specimens of size 20 (dia.) X 10 mm have been obtained under certain conditions. The pressing conditions for the alloy with the optimum mechanical properties are: temperature 753 - 853 K, time 15 min, and stress 1.2 GPa. The high strength of the alloy is attributed to second phase strengthening and fine grain strengthening. The highest ultimate compressive strength is 950 MPa at pressing temperature 773 K.
机译:使用粉末热压技术,已在一定条件下获得了尺寸为20(直径)×10 mm的高强度Al_(85)La_(10)Ni_5合金试样。具有最佳机械性能的合金的压制条件为:温度753-853 K,时间15分钟,应力1.2 GPa。合金的高强度归因于第二相强化和细晶粒强化。在773 K的加压温度下,最高极限抗压强度为950 MPa。

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