Impact of 316L Stainless Steel on Microstructural and Mechanical Properties of AA5083/316L Metal Matrix Composites

IF 2.1 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

JOM Pub Date : 2024-08-26 DOI:10.1007/s11837-024-06835-5

Dursun Murat Sekban

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Abstract

In this study, 316L stainless steel particles were added to the AA5083 matrix phase in varying amounts (5%, 10%, 15% and 20%), and the microstructural and mechanical properties of the MMCs were examined. As a result of the examinations, it was determined that Fe atoms and Fe-Al based intermetallic compounds were formed in the microstructure of the MMCs, and the rate of intermetallic compounds increased with the increase of 316L stainless steel added. The relative density value of AA5083 alloy, which was 98.6%, decreased continuously with the amount of 316L stainless steel added and decreased to 80.5% in the MMC created by adding 20% 316L. Hardness values of AA5083 alloy (80 BSD) increased continuously with the added amount of 316L and reached 132 BSD when 20% 316L was added. The tensile strength of the AA5083 alloy was enhanced in all MMCs, with the maximum tensile strength recorded at 238 MPa in the MMC containing 10% of 316L stainless steel. Also, when the 10% 316L stainless steel particle addition in MMCs was exceeded, the tensile strength started to decrease as a result of the increasing void ratio. Corrosion testing revealed that, compared to AA5083, all MMCs had higher corrosion resistance.

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316L 不锈钢对 AA5083/316L 金属基复合材料微观结构和力学性能的影响

本研究在 AA5083 基体相中添加了不同数量（5%、10%、15% 和 20%）的 316L 不锈钢颗粒，并对多金属中空成型件的微观结构和机械性能进行了检测。检测结果表明，MMCs 的微观结构中形成了铁原子和以铁-铝为基础的金属间化合物，金属间化合物的形成率随 316L 不锈钢添加量的增加而增加。AA5083 合金的相对密度值为 98.6%，随着 316L 不锈钢添加量的增加而不断降低，在添加 20% 316L 的 MMC 中，相对密度值降至 80.5%。AA5083 合金的硬度值（80 BSD）随着 316L 添加量的增加而不断提高，当添加 20% 316L 时，硬度值达到 132 BSD。AA5083 合金的抗拉强度在所有 MMC 中都有所提高，在含有 10% 316L 不锈钢的 MMC 中，最大抗拉强度达到 238 兆帕。此外，当材料中的 316L 不锈钢颗粒含量超过 10%时，由于空隙率增加，抗拉强度开始下降。腐蚀测试表明，与 AA5083 相比，所有多孔质金属都具有更高的耐腐蚀性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

JOM 工程技术-材料科学：综合

CiteScore

4.50

自引率

3.80%

发文量

540

审稿时长

2.8 months

期刊介绍： JOM is a technical journal devoted to exploring the many aspects of materials science and engineering. JOM reports scholarly work that explores the state-of-the-art processing, fabrication, design, and application of metals, ceramics, plastics, composites, and other materials. In pursuing this goal, JOM strives to balance the interests of the laboratory and the marketplace by reporting academic, industrial, and government-sponsored work from around the world.