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Experimental Study on Ultrasonic Vibration-Assisted Grinding of SiCp/Al Composites Grinding [PDF]

open access: yesMicromachines
Aluminum matrix composites reinforced with silicon carbide particles (SiCp/Al) are widely used in aerospace fields with excellent properties, such as high specific strength, high specific stiffness, and high thermal conductivity. Due to the heterogeneous
Jinghao Jin   +3 more
doaj   +2 more sources

Feasibility study of single-crystal silicon ductile-regime turning via fast tool servo

open access: yesJournal of Materials Research and Technology, 2022
Due to the material properties of single-crystal silicon, it is difficult to achieve high-efficiency processing in conventional turning. Fast tool servo (FTS) turning has emerged as a favorable technology for processing brittle materials.
Yan Zhou   +8 more
doaj   +1 more source

Study on Grinding Force of Two-Dimensional Ultrasonic Vibration Grinding 2.5D-C/SiC Composite Material

open access: yesCrystals, 2023
The grinding force is an important index during the grinding process, which affects the surface quality and other aspects after machining. However, the research on the grinding force of ceramic matrix composites assisted by two-dimensional ultrasonic ...
Yunguang Zhou   +5 more
doaj   +1 more source

Estimation of specific cutting energy in an S235 alloy for multi-directional ultrasonic vibration-assisted machining using the Finite Element Method [PDF]

open access: yes, 2020
The objective of this work is to analyze the influence of the vibration-assisted turning process on the machinability of S235 carbon steel. During the experiments using this vibrational machining process, the vibrational amplitude and frequency of the ...
Florez García, Luis Carlos   +2 more
core   +2 more sources

Experimental investigation on the surface and subsurface damages characteristics and formation mechanisms in ultra-precision grinding of SiC [PDF]

open access: yes, 2017
Surface and subsurface damages appear inevitably in the grinding process, which will influence the performance and lifetime of the machined components. In this paper, ultra-precision grinding experiments were performed on Reaction-bonded Silicon Carbide (
Li, Zhipeng   +3 more
core   +3 more sources

A Study of Mechanics in Brittle–Ductile Cutting Mode Transition

open access: yesMicromachines, 2018
This paper presents an investigation of the mechanism of the brittle–ductile cutting mode transition from the perspective of the mechanics. A mechanistic model is proposed to analyze the relationship between undeformed chip thickness, deformation, and ...
Gaobo Xiao, Mingjun Ren, Suet To
doaj   +1 more source

Analytical modeling of surface roughness in precision grinding of particle reinforced metal matrix composites considering nanomechanical response of material [PDF]

open access: yes, 2019
Grinding is usually applied for particle reinforced metal matrix composites (PRMMCs) to achieve high ground surface quality. However, the surface quality especially surface roughness is difficult to predict theoretically due to different mechanical ...
Cai, Rui   +5 more
core   +1 more source

An Experimental Study on Mechanical Modeling of Ceramics Based on Microstructure

open access: yesApplied Sciences, 2015
The actual grinding result of ceramics has not been well predicted by the present mechanical models. No allowance is made for direct effects of materials microstructure and almost all the mechanical models were obtained based on crystalline ceramics.
Ya-Nan Zhang   +4 more
doaj   +1 more source

Single Grit Grinding Simulation by Using Finite Element Analysis [PDF]

open access: yes, 2011
In this research, basic material removal characteristics in a single grit grinding have been investigated by using Finite Element Analysis (FEA). ABAQUS/Standard is used as a computational environment.
Chen, Xun, Opoz, Tahsin Tecelli
core   +1 more source

Mechanism of Unstable Material Removal Modes in Micro Cutting of Silicon Carbide

open access: yesMicromachines, 2019
This study conducts large-scale molecular dynamics (MD) simulations of micro cutting of single crystal 6H silicon carbide (SiC) with up to 19 million atoms to investigate the mechanism of unstable material removal modes within the transitional range of ...
Wei Zhao, Haibo Hong, Hongzhi Wang
doaj   +1 more source

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