中文版 | English
Title

Milling performance of Inconel 718 based on DC short electric arc machining with graphite and W-Ag electrode materials

Author
Corresponding AuthorLiu, Kai; Zhou, Jianping
Publication Years
2022-09-01
DOI
Source Title
ISSN
0268-3768
EISSN
1433-3015
Volume122Pages:2253-2265
Abstract
In order to solve the problems of poor dimensional accuracy, high-specific energy consumption (SEC), and poor surface integrity in DC short electric arc machining (SEAM), this paper proposes to use W-Ag alloy as the electrode material for machining nickel-based alloy (Inconel 718). Firstly, the effect of voltage and electrode material (graphite and W-Ag alloy) on the material removal rate (MRR), relative electrode wear rate (REWR), surface roughness (Sa), and SEC were investigated, and current and voltage during machining were measured by a multichannel data acquisition system. In addition, the surface morphology, cross section, and element distribution after machining were analyzed. The experimental results showed that W-Ag alloy as a tool electrode can obtain better performance in SEAM; its MRR reach 6314 mm(3)/min at 30 V which is twice as high as graphite electrode. The SEC of W-Ag alloy electrode is 32.64 kJ/cm(3), significantly lower than that of graphite electrode with 84.16 kJ/cm(3). The surface roughness is lower after machining with W-Ag alloy electrode, and the thermal damage layer is only half of that machined with graphite electrode.
Keywords
URL[Source Record]
Indexed By
SCI ; EI
Language
English
SUSTech Authorship
Corresponding
Funding Project
Natural Science Foundation of China[51765063] ; Key Research and Development Projects in the Autonomous Region[2018B02009-1] ; Xinjiang Uighur Autonomous Region Talent Project[10020000204]
WOS Research Area
Automation & Control Systems ; Engineering
WOS Subject
Automation & Control Systems ; Engineering, Manufacturing
WOS Accession No
WOS:000849302900001
Publisher
EI Accession Number
20223612680760
EI Keywords
Binary alloys ; Electric arcs ; Graphite electrodes ; Morphology ; Nickel alloys ; Silver alloys ; Surface morphology ; Surface roughness
ESI Classification Code
Energy Utilization:525.3 ; Precious Metals:547.1 ; Nickel Alloys:548.2 ; Electricity: Basic Concepts and Phenomena:701.1 ; Physical Properties of Gases, Liquids and Solids:931.2 ; Materials Science:951
ESI Research Field
ENGINEERING
Data Source
Web of Science
Citation statistics
Cited Times [WOS]:1
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/395980
DepartmentDepartment of Mechanical and Energy Engineering
Affiliation
1.Xinjiang Univ, Sch Mech Engn, Urumqi 830047, Peoples R China
2.Southern Univ Sci & Technol, Dept Mech & Energy Engn, Shenzhen 518055, Guangdong, Peoples R China
Corresponding Author AffilicationDepartment of Mechanical and Energy Engineering
Recommended Citation
GB/T 7714
Liu, Zhouwei,Liu, Kai,Dai, Xiangyu,et al. Milling performance of Inconel 718 based on DC short electric arc machining with graphite and W-Ag electrode materials[J]. INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY,2022,122:2253-2265.
APA
Liu, Zhouwei,Liu, Kai,Dai, Xiangyu,Zhou, Jianping,Xu, Yan,&Zhou, Zongjie.(2022).Milling performance of Inconel 718 based on DC short electric arc machining with graphite and W-Ag electrode materials.INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY,122,2253-2265.
MLA
Liu, Zhouwei,et al."Milling performance of Inconel 718 based on DC short electric arc machining with graphite and W-Ag electrode materials".INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY 122(2022):2253-2265.
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