稀土在制造精密产品，比如平板显示器、电动车电池，风轮机以及宇航合金方面已经变得越来越重要。
Rare earths have become increasingly important in manufacturing sophisticated products including flat-screen monitors, electric-car batteries, wind turbines and aerospace alloys.
用途：宇航工业，化工耐腐材料，热喷涂，冷烟花，铝合金添加剂，电真空材料。
Uses: aerospace industry, chemical corrosion-resistant materials, thermal spraying, cold fireworks, aluminum alloy additives, electric vacuum material.
通过对超硬铝合金7175T74的试验研究，给出了7175T74合金的锻造工艺参数。 依此工艺生产的锻件其性能达到美国宇航材料规范AMS4149A规定的技术指标。
By experimental research on the superhard aluminum alloy 7175T74, the parameters of forging process of 7175T74 are given, which achieve the mechanical property of the of U. S. 'AMS4149A.
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