Tool wear mechanisms and surface quality assessment during micro-milling of high entropy alloy FeCoNiCrAlx

Xiaoliang Liang; Canbin Zhang; Chunjin Wang; Kangsen Li; Yee Man Loh; Chi Fai Cheung

doi:10.1016/j.triboint.2022.108053

Tool wear mechanisms and surface quality assessment during micro-milling of high entropy alloy FeCoNiCrAl_x

Xiaoliang Liang, Canbin Zhang, Chunjin Wang (Corresponding Author), Kangsen Li, Yee Man Loh, Chi Fai Cheung (Corresponding Author)

Research output: Journal article publication › Journal article › Academic research › peer-review

Abstract

High entropy alloys (HEA) are widely used in high-strength tools, high-temperature molds, and corrosion-resistant components. This work focused on tool wear and surface quality during micro-milling HEA FeCoNiCrAl_x (x = 0.1, 0.5, 1) with different Al element content. Tool wear appeared more severe with the increase of Al element content. Tool wear patterns mainly included flank wear, adhesive material, micro-chipping, coating peeling, substrate tearing and edge fracture. The combined effects of adhesive wear, mechanical shock damage, abrasive wear, and oxidative wear were the primary reasons of tool wear mechanisms, while the diffusion wear was less noticeable. Moreover, the surface qualities including surface roughness, surface defects and edge burrs changed worse with the increase of Al element content and tool wear.

Original language	English
Article number	108053
Number of pages	16
Journal	Tribology International
Volume	178
Issue number	B
DOIs	https://doi.org/10.1016/j.triboint.2022.108053
Publication status	Published - Feb 2023

Keywords

HEA FeCoNiCrAl
Surface quality
Tool wear
Ultra-precision machining

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Surfaces and Interfaces
Surfaces, Coatings and Films

More information

10.1016/j.triboint.2022.108053

Cite this

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title = "Tool wear mechanisms and surface quality assessment during micro-milling of high entropy alloy FeCoNiCrAlx",

abstract = "High entropy alloys (HEA) are widely used in high-strength tools, high-temperature molds, and corrosion-resistant components. This work focused on tool wear and surface quality during micro-milling HEA FeCoNiCrAlx (x = 0.1, 0.5, 1) with different Al element content. Tool wear appeared more severe with the increase of Al element content. Tool wear patterns mainly included flank wear, adhesive material, micro-chipping, coating peeling, substrate tearing and edge fracture. The combined effects of adhesive wear, mechanical shock damage, abrasive wear, and oxidative wear were the primary reasons of tool wear mechanisms, while the diffusion wear was less noticeable. Moreover, the surface qualities including surface roughness, surface defects and edge burrs changed worse with the increase of Al element content and tool wear.",

keywords = "HEA FeCoNiCrAl, Surface quality, Tool wear, Ultra-precision machining",

author = "Xiaoliang Liang and Canbin Zhang and Chunjin Wang and Kangsen Li and Loh, {Yee Man} and Cheung, {Chi Fai}",

note = "Funding Information: The work described in this paper was mainly supported by a grant from the Guangdong Natural Science Foundation Program 2019–2020 (Project No.: 2019A1515012015 ) and the Start-up Fund for RAPs under the Strategic Hiring Scheme from the Hong Kong Polytechnic University (Project code: BD9B ). In addition, the authors would like to express their sincere thanks to the funding support to the State Key Laboratories in Hong Kong from the Innovation and Technology Commission (ITC) of the Government of the Hong Kong Special Administrative Region (HKSAR), China. The authors would also like to express their sincerely thanks to the financial support of the Postdoc Matching Fund Scheme from the Research and Innovation Office of The Hong Kong Polytechnic University (Project codes: 1-W15Z, 1-W20T ). Publisher Copyright: {\textcopyright} 2022 Elsevier Ltd",

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AU - Loh, Yee Man

AU - Cheung, Chi Fai

N1 - Funding Information: The work described in this paper was mainly supported by a grant from the Guangdong Natural Science Foundation Program 2019–2020 (Project No.: 2019A1515012015 ) and the Start-up Fund for RAPs under the Strategic Hiring Scheme from the Hong Kong Polytechnic University (Project code: BD9B ). In addition, the authors would like to express their sincere thanks to the funding support to the State Key Laboratories in Hong Kong from the Innovation and Technology Commission (ITC) of the Government of the Hong Kong Special Administrative Region (HKSAR), China. The authors would also like to express their sincerely thanks to the financial support of the Postdoc Matching Fund Scheme from the Research and Innovation Office of The Hong Kong Polytechnic University (Project codes: 1-W15Z, 1-W20T ). Publisher Copyright: © 2022 Elsevier Ltd

PY - 2023/2

Y1 - 2023/2

N2 - High entropy alloys (HEA) are widely used in high-strength tools, high-temperature molds, and corrosion-resistant components. This work focused on tool wear and surface quality during micro-milling HEA FeCoNiCrAlx (x = 0.1, 0.5, 1) with different Al element content. Tool wear appeared more severe with the increase of Al element content. Tool wear patterns mainly included flank wear, adhesive material, micro-chipping, coating peeling, substrate tearing and edge fracture. The combined effects of adhesive wear, mechanical shock damage, abrasive wear, and oxidative wear were the primary reasons of tool wear mechanisms, while the diffusion wear was less noticeable. Moreover, the surface qualities including surface roughness, surface defects and edge burrs changed worse with the increase of Al element content and tool wear.

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