表面机械磨损处理增强增材制造Inconel 718高温合金的抗氧化性能

IF 7.4 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Corrosion Science Pub Date : 2025-04-15 Epub Date: 2025-01-17 DOI:10.1016/j.corsci.2025.112719

Chuan Guo , Jingchen Wang , Hongxing Lu , Yanmin Wang , Jianing Bai , Gan Li , Yu Yin , Lu Yao , Qiang Zhu , Jian Lu

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引用次数: 0

摘要

研究了表面机械磨损处理（SMAT）对增材制造的Inconel 718零件抗氧化性能的影响。结果表明：SMAT在零件表面附近形成了具有高密度低角晶界、塑性应变和晶格畸变的纳米晶粒层；由于纳米级微观结构在氧化初期迅速形成连续的氧化层来保护底层材料，从而提高了材料的抗氧化性。此外，SMAT引起的高水平残余压应力增强了氧化皮与母合金之间的附着力。

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Enhanced oxidation resistance of additively manufactured Inconel 718 superalloy by surface mechanical attrition treatment

This study investigated the effects of surface mechanical attrition treatment (SMAT) on the antioxidation performance of additively manufactured Inconel 718 parts. The results show that SMAT generated a nanograin layer near the part surface with high densities of low-angle grain boundaries, plastic strain and lattice distortion. Oxidation resistance was improved owing to that a continuous oxide scale was quickly formed to protect the underlying materials at the early stage of oxidation by the nanosized microstructure. Moreover, adhesion between the oxide scale and the parent alloy was enhanced because of a high level of compressive residual stress induced by SMAT.

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来源期刊

Corrosion Science 工程技术-材料科学：综合

CiteScore

13.60

自引率

18.10%

发文量

763

审稿时长

46 days

期刊介绍： Corrosion occurrence and its practical control encompass a vast array of scientific knowledge. Corrosion Science endeavors to serve as the conduit for the exchange of ideas, developments, and research across all facets of this field, encompassing both metallic and non-metallic corrosion. The scope of this international journal is broad and inclusive. Published papers span from highly theoretical inquiries to essentially practical applications, covering diverse areas such as high-temperature oxidation, passivity, anodic oxidation, biochemical corrosion, stress corrosion cracking, and corrosion control mechanisms and methodologies. This journal publishes original papers and critical reviews across the spectrum of pure and applied corrosion, material degradation, and surface science and engineering. It serves as a crucial link connecting metallurgists, materials scientists, and researchers investigating corrosion and degradation phenomena. Join us in advancing knowledge and understanding in the vital field of corrosion science.