高强度超音速处理对 Al-5Cu 合金铸锭精炼的影响

IF 0.6 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY Materiali in tehnologije Pub Date : 2024-04-03 DOI:10.17222/mit.2023.1038

Z. Jia, Zhi Zhuo Wang, L. Fu

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引用次数: 0

摘要

研究了高强度超声波处理结合底部冷却处理对 Al-5Cu 合金铸锭细化的影响。结果表明，结合钢锭底部强制冷却的超声波处理具有良好的细化效果，在 2000 W 和 120 秒后可获得最佳细化效果。在钢锭底部结合超声波处理和强制冷却的方法不仅影响钢锭的细化，而且随着超声波持续时间的增加，钢锭的气孔率也会降低。超声波脱气效果是由于生物膜释放氢气，使其逐渐膨胀和生长，最后在熔体表面爆裂，达到脱气效果。

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EFFECT OF HIGH-INTENSITY ULTRASONIC TREATMENT ON REFINEMENT OF Al-5Cu ALLOY INGOTS

The effect of high-intensity ultrasonic treatment combined with bottom cooling treatment on the refinement of Al-5Cu alloy ingots was studied. The results show that ultrasonic treatment combined with forced cooling at the bottom of ingots has a good refining effect, and the best refining effect can be obtained at 2000 W and after 120 s. The cross-section of an ingot exhibits almost 100 % refined equiaxed grains and no porosity. The method of combining ultrasonic treatment and forced cooling at the bottom of ingots not only influences the ingot refinement, but also decreases the porosity of the ingots with an increase in the ultrasonic duration. The ultrasonic degassing effect is due to the release of hydrogen in biofilms, which expand and grow gradually; finally, they burst on the melt surface, achieving the effect of degassing.

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来源期刊

Materiali in tehnologije 工程技术-材料科学：综合

CiteScore

1.30

自引率

0.00%

发文量

审稿时长

4-8 weeks

期刊介绍： The journal MATERIALI IN TEHNOLOGIJE/MATERIALS AND TECHNOLOGY is a scientific journal, devoted to original papers and review scientific papers concerned with the areas of fundamental and applied science and technology. Topics of particular interest include metallic materials, inorganic materials, polymers, vacuum technique and lately nanomaterials.