Parametric optimization for improving the machining process of Cu/Mo-SiCP composites produced by powder metallurgy
File(s)materials-14-01921-v2.pdf (4.57 MB)
Published version
Author(s)
Type
Journal Article
Abstract
The features of composite materials such as production flexibility, lightness, and excellent strength put them in the class of materials that attract attention in various critical areas, i.e., aerospace, defense, automotive, and shipbuilding. However, the machining of composite materials displays challenges due to the difficulty in obtaining structural integrity. In this study, Cu/Mo-SiCP composite materials were produced by powder metallurgy with varied reinforcement ratios and then their machinability was investigated. In machinability experiments, the process parameters were selected as cutting speed (vC), feed rate (f), depth of cut (aP), and reinforcement ratio (RR). Two levels of these parameters were taken as per the Taguchi’s L8 orthogonal array, and response surface methodology (RSM) is employed for parametric optimization. As a result, the outcomes demonstrated that RR = 5%, f = 0.25 mm/rev, aP = 0.25 mm, vC = 200 m/min for surface roughness, RR = 0%, f = 0.25 mm/rev and aP = 0.25 mm and vC = 200 m/min for flank wear and RR = 0%, f = 0.25 mm/rev, aP = 0.25 mm, vC = 150 m/min for cutting temperature for cutting temperature and flank wear should be selected for the desired results. In addition, ANOVA results indicate that reinforcement ratio is the dominant factor on all response parameters. Microscope images showed that the prominent failure modes on the cutting tool are flank wear, built up edge, and crater wear depending on reinforcement ratio.
Date Issued
2021-04-12
Date Acceptance
2021-04-09
Citation
Materials, 2021, 14 (8)
ISSN
1996-1944
Publisher
MDPI
Journal / Book Title
Materials
Volume
14
Issue
8
Copyright Statement
© 2021 by the authors.Licensee MDPI, Basel, Switzerland.This article is an open access articledistributed under the terms andconditions of the Creative CommonsAttribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Subjects
Science & Technology
Physical Sciences
Technology
Chemistry, Physical
Materials Science, Multidisciplinary
Metallurgy & Metallurgical Engineering
Physics, Applied
Physics, Condensed Matter
Chemistry
Materials Science
Physics
Cu/Mo-SiCP
metal matrix composite
turning
machinability
parameter optimization
SURFACE METHODOLOGY RSM
MECHANICAL-PROPERTIES
TOOL WEAR
MATRIX COMPOSITES
CUTTING FORCES
MULTIOBJECTIVE OPTIMIZATION
MACHINABILITY CHARACTERISTICS
ROUGHNESS
PERFORMANCE
MICROSTRUCTURE
Cu/Mo-SiCP
machinability
metal matrix composite
parameter optimization
turning
03 Chemical Sciences
09 Engineering
Publication Status
Published
Article Number
ARTN 1921