A Study of Polishing Feature of Ultrasonic-Assisted Vibration Method in Bamboo Charcoal

Focusing on the feature of porosity in bamboo charcoal, this study applies the ultrasonic-assisted vibration method to perform surface polishing of the silicon wafer workpiece. The self-developed bamboo charcoal polishing spindle and ultrasonic- assisted vibration mechanism are attached to a single...

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Main Authors: Hsin-Min Lee, Tzung-Ming Chen
Format: Article
Language:English
Published: Wiley 2017-01-01
Series:Advances in Materials Science and Engineering
Online Access:http://dx.doi.org/10.1155/2017/6750467
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author Hsin-Min Lee
Tzung-Ming Chen
author_facet Hsin-Min Lee
Tzung-Ming Chen
author_sort Hsin-Min Lee
collection DOAJ
description Focusing on the feature of porosity in bamboo charcoal, this study applies the ultrasonic-assisted vibration method to perform surface polishing of the silicon wafer workpiece. The self-developed bamboo charcoal polishing spindle and ultrasonic- assisted vibration mechanism are attached to a single lapping machine. In the machining process, ultrasonic vibration enables the diamond slurry to smoothly pass through the microscopic holes of bamboo charcoal; the end of the bamboo charcoalis able to continue machining on the surface of the workpiece through the grasping force which exists in the microscopic holes. Under the polishing and machining parameters of ultrasonic-assisted vibration, with a diamond slurry concentration of 0.3%, the experimental results show a polishing time of 20 min, a loading of 25 N on the workpiece surface, a spindle speed of 1200 rpm, a vibration frequency of 30 kHz and the original surface roughness value of Ra 0.252 μm equals that of a mirror-like surface at Ra 0.017 μm. These research results prove that by using bamboo charcoal and ultrasonic-assisted vibration for polishing, a very good improvement can be achieved on the workpiece surface.
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spelling doaj-art-8f29e9d107124f3cbaacb3c70d846ec22025-02-03T01:30:53ZengWileyAdvances in Materials Science and Engineering1687-84341687-84422017-01-01201710.1155/2017/67504676750467A Study of Polishing Feature of Ultrasonic-Assisted Vibration Method in Bamboo CharcoalHsin-Min Lee0Tzung-Ming Chen1Department of Mechanical Engineering, Army Academy, Taoyuan City, TaiwanDepartment of Industrial Education and Technology, National Changhua University of Education, Changhua City, TaiwanFocusing on the feature of porosity in bamboo charcoal, this study applies the ultrasonic-assisted vibration method to perform surface polishing of the silicon wafer workpiece. The self-developed bamboo charcoal polishing spindle and ultrasonic- assisted vibration mechanism are attached to a single lapping machine. In the machining process, ultrasonic vibration enables the diamond slurry to smoothly pass through the microscopic holes of bamboo charcoal; the end of the bamboo charcoalis able to continue machining on the surface of the workpiece through the grasping force which exists in the microscopic holes. Under the polishing and machining parameters of ultrasonic-assisted vibration, with a diamond slurry concentration of 0.3%, the experimental results show a polishing time of 20 min, a loading of 25 N on the workpiece surface, a spindle speed of 1200 rpm, a vibration frequency of 30 kHz and the original surface roughness value of Ra 0.252 μm equals that of a mirror-like surface at Ra 0.017 μm. These research results prove that by using bamboo charcoal and ultrasonic-assisted vibration for polishing, a very good improvement can be achieved on the workpiece surface.http://dx.doi.org/10.1155/2017/6750467
spellingShingle Hsin-Min Lee
Tzung-Ming Chen
A Study of Polishing Feature of Ultrasonic-Assisted Vibration Method in Bamboo Charcoal
Advances in Materials Science and Engineering
title A Study of Polishing Feature of Ultrasonic-Assisted Vibration Method in Bamboo Charcoal
title_full A Study of Polishing Feature of Ultrasonic-Assisted Vibration Method in Bamboo Charcoal
title_fullStr A Study of Polishing Feature of Ultrasonic-Assisted Vibration Method in Bamboo Charcoal
title_full_unstemmed A Study of Polishing Feature of Ultrasonic-Assisted Vibration Method in Bamboo Charcoal
title_short A Study of Polishing Feature of Ultrasonic-Assisted Vibration Method in Bamboo Charcoal
title_sort study of polishing feature of ultrasonic assisted vibration method in bamboo charcoal
url http://dx.doi.org/10.1155/2017/6750467
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