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Metallic Foams Obtained from Nickel Based Superalloy Hollow Spheres

机译:从镍基高温合金空心球获得的金属泡沫

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In this work, hollow spherical nickel based superalloy powders obtained by liquid phase atomization were used. The obtained powder was divided into six size particle ranges between 200 urn and 630 μm using a shatter box. Samples from all six ranges were obtained by spreading the powder into the sintering die and consolidating them by sintering at 900℃ and 1000℃ for 30 minutes in vacuum (10~(-4) Torr). The metallic foams obtained by sintering hollow particles presents high porosity, and can be used as thermal barriers, catalyst support, shock absorbers or lightweight structural elements.
机译:在这项工作中,使用了通过液相雾化获得的空心球形镍基高温合金粉末。使用粉碎箱将获得的粉末分为200微米至630μm之间的六种粒径范围。通过将粉末散布到烧结模中,并在真空(10〜(-4)Torr)下于900℃和1000℃下烧结30分钟使其固结,从而获得了所有六个范围的样品。通过烧结空心颗粒获得的金属泡沫具有高孔隙率,并且可以用作热障,催化剂载体,减震器或轻质结构元件。

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