Microstructural, mechanical, and corrosion behavior of ZrO2, HA, and Y2O3 hybrid reinforced AZ91D alloy surface composites fabricated through FSP route

IF 4.4 3区工程技术 Q1 ENGINEERING, CIVIL

Archives of Civil and Mechanical Engineering Pub Date : 2024-12-20 DOI:10.1007/s43452-024-01114-1

Surendra Kumar Patel, Guoxin Dai, Lei Shi, Chuansong Wu, Sergey Mironov, Lei Guan

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引用次数: 0

Abstract

In the present work, ZrO₂, HA, and Y₂O₃ hybrid reinforced AZ91D alloy surface composites were fabricated using multi-passes friction stir processing (FSP) route. Consequently, microstructure, microhardness, tensile, and corrosion behavior were thoroughly examined on processing passes. The FSP passes increased coarse-shaped grains which were gradually refined into finer equiaxial grains due to severe plastic deformation and equal dispersion of reinforcements. Microhardness values successfully increased with the incorporation of hybrid reinforcements and increasing FSP passes. Tensile tests demonstrated decreased ultimate tensile strength as compared to substrate materials but an increase compared to 1 pass to 3 passes. Due to grain arrangements, grain dislocations decreased between surface matrices. Corrosion rate increases with the number of days; however, when FSP passes rise, compared to FSP passes, corrosion rate also increases due to the formation of secondary surface layers on the surface.

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通过 FSP 路线制造的 ZrO2、HA 和 Y2O3 混合增强 AZ91D 合金表面复合材料的微结构、力学和腐蚀行为

采用多道搅拌摩擦加工（FSP）工艺制备了ZrO2、HA和Y2O3杂化增强AZ91D合金表面复合材料。因此，微观结构、显微硬度、拉伸和腐蚀行为在加工过程中进行了彻底的检查。FSP孔道增加了粗晶，而粗晶由于剧烈的塑性变形和增强体的均匀分散，逐渐细化为更细的等轴晶。显微硬度值随着混杂增强剂的加入和FSP道次的增加而成功地提高。拉伸试验表明，与基材相比，拉伸强度降低，但与1次到3次相比，拉伸强度有所增加。由于晶粒排列，表面基体之间的晶粒位错减少。腐蚀速率随天数增加而增加；然而，当FSP通度升高时，由于在表面形成二次表面层，腐蚀速率也比FSP通度增加。

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来源期刊

Archives of Civil and Mechanical Engineering 工程技术-材料科学：综合

CiteScore

6.80

自引率

9.10%

发文量

201

审稿时长

4 months

期刊介绍： Archives of Civil and Mechanical Engineering (ACME) publishes both theoretical and experimental original research articles which explore or exploit new ideas and techniques in three main areas: structural engineering, mechanics of materials and materials science. The aim of the journal is to advance science related to structural engineering focusing on structures, machines and mechanical systems. The journal also promotes advancement in the area of mechanics of materials, by publishing most recent findings in elasticity, plasticity, rheology, fatigue and fracture mechanics. The third area the journal is concentrating on is materials science, with emphasis on metals, composites, etc., their structures and properties as well as methods of evaluation. In addition to research papers, the Editorial Board welcomes state-of-the-art reviews on specialized topics. All such articles have to be sent to the Editor-in-Chief before submission for pre-submission review process. Only articles approved by the Editor-in-Chief in pre-submission process can be submitted to the journal for further processing. Approval in pre-submission stage doesn''t guarantee acceptance for publication as all papers are subject to a regular referee procedure.