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Injection moulding of porous 316L stainless steel using saccharose as a space holder material / Nurul Farhana Omar

Metal injection molding (MIM) is a manufacturing process which has promising technique as it offers several advantages in producing part. MIM route with a space holder replication was employed in this study. Saccharose as a space holder material was introduced at the stage of powder-binder mixing fo...

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Main Author: Omar, Nurul Farhana
Format: Thesis
Language:English
Published: 2024
Subjects:
Stainless steel
Online Access:https://ir.uitm.edu.my/id/eprint/106808/1/106808.pdf
https://ir.uitm.edu.my/id/eprint/106808/
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spelling my.uitm.ir.1068082024-12-04T16:02:15Z https://ir.uitm.edu.my/id/eprint/106808/ Injection moulding of porous 316L stainless steel using saccharose as a space holder material / Nurul Farhana Omar Omar, Nurul Farhana Stainless steel Metal injection molding (MIM) is a manufacturing process which has promising technique as it offers several advantages in producing part. MIM route with a space holder replication was employed in this study. Saccharose as a space holder material was introduced at the stage of powder-binder mixing followed by injection moulding. 316L stainless steel (316L SS) powder, binder components (low density polyethylene, palm stearin) and two different sizes of saccharose in the range of 163 microns to 250 microns and 44 microns to 63 microns were used for this study. The mixing process involving the incorporation of the space holder was conducted and assessed at various parameters prior to solvent debinding and sintering. Flow behavior index (n), flow activation energy, E (kJ/mol) and moldability index of all feedstock with different composition had acceptable value to be implemented for injection molding process. Optimum debinding temperature chosen based on the screening test was 60°C as palm stearin was completely removed from the green part at 60°C for 5 hours with no visual defect observed on the surface of the brown part. Thermal debinding was performed at temperature of 450°C, heating rate of 1°C/min and 1 hour holding time. 2024 Thesis NonPeerReviewed text en https://ir.uitm.edu.my/id/eprint/106808/1/106808.pdf Injection moulding of porous 316L stainless steel using saccharose as a space holder material / Nurul Farhana Omar. (2024) Masters thesis, thesis, Universiti Teknologi MARA (UiTM). <http://terminalib.uitm.edu.my/106808.pdf>
institution Universiti Teknologi Mara
building Tun Abdul Razak Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Mara
content_source UiTM Institutional Repository
url_provider http://ir.uitm.edu.my/
language English
topic Stainless steel
spellingShingle Stainless steel
Omar, Nurul Farhana
Injection moulding of porous 316L stainless steel using saccharose as a space holder material / Nurul Farhana Omar
description Metal injection molding (MIM) is a manufacturing process which has promising technique as it offers several advantages in producing part. MIM route with a space holder replication was employed in this study. Saccharose as a space holder material was introduced at the stage of powder-binder mixing followed by injection moulding. 316L stainless steel (316L SS) powder, binder components (low density polyethylene, palm stearin) and two different sizes of saccharose in the range of 163 microns to 250 microns and 44 microns to 63 microns were used for this study. The mixing process involving the incorporation of the space holder was conducted and assessed at various parameters prior to solvent debinding and sintering. Flow behavior index (n), flow activation energy, E (kJ/mol) and moldability index of all feedstock with different composition had acceptable value to be implemented for injection molding process. Optimum debinding temperature chosen based on the screening test was 60°C as palm stearin was completely removed from the green part at 60°C for 5 hours with no visual defect observed on the surface of the brown part. Thermal debinding was performed at temperature of 450°C, heating rate of 1°C/min and 1 hour holding time.
format Thesis
author Omar, Nurul Farhana
author_facet Omar, Nurul Farhana
author_sort Omar, Nurul Farhana
title Injection moulding of porous 316L stainless steel using saccharose as a space holder material / Nurul Farhana Omar
title_short Injection moulding of porous 316L stainless steel using saccharose as a space holder material / Nurul Farhana Omar
title_full Injection moulding of porous 316L stainless steel using saccharose as a space holder material / Nurul Farhana Omar
title_fullStr Injection moulding of porous 316L stainless steel using saccharose as a space holder material / Nurul Farhana Omar
title_full_unstemmed Injection moulding of porous 316L stainless steel using saccharose as a space holder material / Nurul Farhana Omar
title_sort injection moulding of porous 316l stainless steel using saccharose as a space holder material / nurul farhana omar
publishDate 2024
url https://ir.uitm.edu.my/id/eprint/106808/1/106808.pdf
https://ir.uitm.edu.my/id/eprint/106808/
_version_ 1817847372422578176
score 13.222552

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