…
comment: The repository administrator has not yet configured an RDF license.
primary topic: Sustainable High-Speed Milling of Magnesium Alloy AZ91D in Dry and Cryogenic Conditions

Sustainable High-Speed Milling of Magnesium Alloy AZ91D in Dry and Cryogenic Conditions
type: AcademicArticle
type: Article
abstract: Magnesium alloy AZ91D is used extensively in the automotive industry because of its high strength-to-weight ratio. Typically, components produced using the alloy are required to have good surface finish and to contribute to high productivity but require long cutting times. Cryogenic cooling is an environmentally friendly technology which has been proven to improve cutting tool life and surface finish. This paper presents an investigation on the effects of dry and cryogenic cutting conditions at a high cutting speed regime for milling of magnesium alloy. This study focused on a high-speed regime due to the chips of magnesium alloy being highly combustible and an effective means of decreasing the temperature in the cutting zone was of great concern. The machining experiment was carried out using uncoated carbide end milling utilizing a full factorial design (L16) with cutting speeds of 900 m/min and 1300 m/min, feed rate of 0.02 mm/tooth and 0.05 mm/tooth, axial depth of cut at 0.2 mm and 0.3 mm, and radial depth of cut at 10 mm and 40 mm. For dry machining, the longest tool life at flank wear (VBmax) of 0.21 mm was at 30 min, which was obtained at cutting speeds of 1300 m/min, feed rate of 0.02 mm/tooth, axial depth of cut at 0.2 mm, and radial depth of cut at 40 mm. Using this cutting condition, a mirror-like surface of 0.106 µm was produced. For machining under cryogenic condition at VBmax of 0.2 mm, the maximum tool life of 1864 min was achieved at a cutting speed of 900 m/min, feed rate of 0.02 mm/tooth, axial depth of cut of 0.3 mm, and radial depth of cut of 40 mm. Under this cutting condition, a lower surface finish of 0.091 µm was obtained. It can be concluded that the application of liquid nitrogen (LN2) is very effective in enhancing the tool life and in obtaining a better-machined surface, especially at a lower cutting speed of 900 m/min. A longer tool life and high-quality machined parts will significantly improve the productivity and cost savings in th…
date: 2023
volume: 15
issue: 4
is part of: Sustainability (Switzerland)
status: peerReviewed
status: published
author list: authors
type: EPrint
type: ArticleEPrint
is part of: repository

MDPI
type: Organization

Sustainability (Switzerland)
type: Collection
issn: 20711050

Mohd Shahfizal Mohd Ruslan
type: Person
given name: Mohd Shahfizal Mohd
family name: Ruslan

Nabil Jouini
type: Person
given name: Nabil
family name: Jouini

Che Hassan Che Haron
type: Person
given name: Che Hassan
family name: Che Haron

Jaharah A. Ghani
type: Person
given name: Jaharah A.
family name: Ghani

HTML Summary of #20605 Sustainable High-Speed Milling of Magnesium Alloy AZ91D in Dry and Cryogenic Conditions
format: text/html
primary topic: Sustainable High-Speed Milling of Magnesium Alloy AZ91D in Dry and Cryogenic Conditions