Staff View: Surface roughness modelling of the micromechanically patterned CNT forests

Surface roughness modelling of the micromechanically patterned CNT forests

Introduction: A new method of modelling surface roughness of the resultant structure from various parameters in the microforming of CNT forests has been developed. One of the top-down microforming methods of CNT forests is called micromechanical bending (M2B). The method uses a high-speed rotating...

Full description

Saved in:

Bibliographic Details
Main Authors:	Razib, Mohd Asyraf, Saleh, Tanveer, Rana, Masud, Islam, Saiful, Muthalif, Asan G. A.
Format:	Article
Language:	English English English English
Published:	Bentham Science Publishers Ltd. 2023
Subjects:	T Technology (General)
Online Access:	http://irep.iium.edu.my/105387/1/Saleh%20%283%29%20MS%20%281%29.pdf http://irep.iium.edu.my/105387/2/Bentham%20Science%20Publisher%20Mail%20-%20Fwd_%20COVERING%20LETTER%201ST%20Galley%20Proofs%20_%20BMS-MNS-2023-3.pdf http://irep.iium.edu.my/105387/13/105387_Surface%20roughness%20modelling%20of%20the%20micromechanically%20patterned%20CNT%20forests.pdf http://irep.iium.edu.my/105387/19/115387_Surface%20roughness%20modelling%20of%20the%20micromechanically_Scopus.pdf http://irep.iium.edu.my/105387/ https://benthamscience.com/public/journals/micro-and-nanosystems http://dx.doi.org/10.2174/1876402915666230602094033
Tags:	Add Tag No Tags, Be the first to tag this record!

id	my.iium.irep.105387
record_format	dspace
spelling	my.iium.irep.1053872024-05-14T02:59:12Z http://irep.iium.edu.my/105387/ Surface roughness modelling of the micromechanically patterned CNT forests Razib, Mohd Asyraf Saleh, Tanveer Rana, Masud Islam, Saiful Muthalif, Asan G. A. T Technology (General) Introduction: A new method of modelling surface roughness of the resultant structure from various parameters in the microforming of CNT forests has been developed. One of the top-down microforming methods of CNT forests is called micromechanical bending (M2B). The method uses a high-speed rotating spindle to compact and flatten the surface of CNT forests. It results in the surface structure becoming smoother and increased reflectance of the surface. The reason for this phenomenon is the porosity that decreases by bending CNTs, hence preventing light from passing through. Moreover, the surface roughness is also significantly reduced. However, a study has yet to be conducted to estimate the theoretical value of surface roughness from the identified parameters. Aim: This research aims to develop an approach to model the surface roughness of resultant surface from a set of parameters in a micropatterning method. Methods: Experiments were conducted using a CNC machine to pattern onto CNT Forests using specific parameters, such as 1000, 1500, and 2000 rpm (spindle speed) with feed rates of 1, 5 and 10 mm/min. The step size was kept fixed at 1 μm for each level of the patterning pass. It was found that the periodic pattern of trochoidal mark was engraved on the surface, contributing to the value of measured surface roughness. Results: The results were compared with the theoretical value from the calculation of surface roughness using trochoidal motion with the assumption of the grain sizes of 0.2 μm, 0.3 μm, and 0.4 μm. The actual value of surface roughness was measured using the XE-AFM machine. The grain of 0.2 μm produced the same experimental trend with the theoretical value at rotational speeds of 1000, 1500, and 2000 rpm. However, the theoretical result was shifted downward because the surface could return to the original position due to the elastic properties of the CNTs, hence reducing the surface roughness. The best-fit result was reported for the grain of 0.4 μm, rotational speed of 2000 rpm, and speed rate of 1 mm/min, showing less than 1% difference. Bentham Science Publishers Ltd. 2023-08-01 Article PeerReviewed application/pdf en http://irep.iium.edu.my/105387/1/Saleh%20%283%29%20MS%20%281%29.pdf application/pdf en http://irep.iium.edu.my/105387/2/Bentham%20Science%20Publisher%20Mail%20-%20Fwd_%20COVERING%20LETTER%201ST%20Galley%20Proofs%20_%20BMS-MNS-2023-3.pdf application/pdf en http://irep.iium.edu.my/105387/13/105387_Surface%20roughness%20modelling%20of%20the%20micromechanically%20patterned%20CNT%20forests.pdf application/pdf en http://irep.iium.edu.my/105387/19/115387_Surface%20roughness%20modelling%20of%20the%20micromechanically_Scopus.pdf Razib, Mohd Asyraf and Saleh, Tanveer and Rana, Masud and Islam, Saiful and Muthalif, Asan G. A. (2023) Surface roughness modelling of the micromechanically patterned CNT forests. Micro and Nanosystems, 15 (3). pp. 189-198. ISSN 1876-4029 E-ISSN 1876-4037 https://benthamscience.com/public/journals/micro-and-nanosystems http://dx.doi.org/10.2174/1876402915666230602094033
institution	Universiti Islam Antarabangsa Malaysia
building	IIUM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	International Islamic University Malaysia
content_source	IIUM Repository (IREP)
url_provider	http://irep.iium.edu.my/
language	English English English English
topic	T Technology (General)
spellingShingle	T Technology (General) Razib, Mohd Asyraf Saleh, Tanveer Rana, Masud Islam, Saiful Muthalif, Asan G. A. Surface roughness modelling of the micromechanically patterned CNT forests
description	Introduction: A new method of modelling surface roughness of the resultant structure from various parameters in the microforming of CNT forests has been developed. One of the top-down microforming methods of CNT forests is called micromechanical bending (M2B). The method uses a high-speed rotating spindle to compact and flatten the surface of CNT forests. It results in the surface structure becoming smoother and increased reflectance of the surface. The reason for this phenomenon is the porosity that decreases by bending CNTs, hence preventing light from passing through. Moreover, the surface roughness is also significantly reduced. However, a study has yet to be conducted to estimate the theoretical value of surface roughness from the identified parameters. Aim: This research aims to develop an approach to model the surface roughness of resultant surface from a set of parameters in a micropatterning method. Methods: Experiments were conducted using a CNC machine to pattern onto CNT Forests using specific parameters, such as 1000, 1500, and 2000 rpm (spindle speed) with feed rates of 1, 5 and 10 mm/min. The step size was kept fixed at 1 μm for each level of the patterning pass. It was found that the periodic pattern of trochoidal mark was engraved on the surface, contributing to the value of measured surface roughness. Results: The results were compared with the theoretical value from the calculation of surface roughness using trochoidal motion with the assumption of the grain sizes of 0.2 μm, 0.3 μm, and 0.4 μm. The actual value of surface roughness was measured using the XE-AFM machine. The grain of 0.2 μm produced the same experimental trend with the theoretical value at rotational speeds of 1000, 1500, and 2000 rpm. However, the theoretical result was shifted downward because the surface could return to the original position due to the elastic properties of the CNTs, hence reducing the surface roughness. The best-fit result was reported for the grain of 0.4 μm, rotational speed of 2000 rpm, and speed rate of 1 mm/min, showing less than 1% difference.
format	Article
author	Razib, Mohd Asyraf Saleh, Tanveer Rana, Masud Islam, Saiful Muthalif, Asan G. A.
author_facet	Razib, Mohd Asyraf Saleh, Tanveer Rana, Masud Islam, Saiful Muthalif, Asan G. A.
author_sort	Razib, Mohd Asyraf
title	Surface roughness modelling of the micromechanically patterned CNT forests
title_short	Surface roughness modelling of the micromechanically patterned CNT forests
title_full	Surface roughness modelling of the micromechanically patterned CNT forests
title_fullStr	Surface roughness modelling of the micromechanically patterned CNT forests
title_full_unstemmed	Surface roughness modelling of the micromechanically patterned CNT forests
title_sort	surface roughness modelling of the micromechanically patterned cnt forests
publisher	Bentham Science Publishers Ltd.
publishDate	2023
url	http://irep.iium.edu.my/105387/1/Saleh%20%283%29%20MS%20%281%29.pdf http://irep.iium.edu.my/105387/2/Bentham%20Science%20Publisher%20Mail%20-%20Fwd_%20COVERING%20LETTER%201ST%20Galley%20Proofs%20_%20BMS-MNS-2023-3.pdf http://irep.iium.edu.my/105387/13/105387_Surface%20roughness%20modelling%20of%20the%20micromechanically%20patterned%20CNT%20forests.pdf http://irep.iium.edu.my/105387/19/115387_Surface%20roughness%20modelling%20of%20the%20micromechanically_Scopus.pdf http://irep.iium.edu.my/105387/ https://benthamscience.com/public/journals/micro-and-nanosystems http://dx.doi.org/10.2174/1876402915666230602094033
_version_	1800081760341458944
score	13.211869

Surface roughness modelling of the micromechanically patterned CNT forests

Similar Items