Effects of forming parameters and sintering schedules to the mechanical properties and microstructures of final components

This paper presents the effects of forming parameters and sintering schedules to the mechanical properties and microstructures of products formed through warm compaction route. A lab scale warm compaction rig is designed and fabricated which enabled the generation of green compacts at different form...

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Main Authors: Rahman M.M., Nor S.S.M., Rahman H.Y., Sopyan I.
Other Authors: 55328831100
Format: Article
Published: 2023
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spelling my.uniten.dspace-294872023-12-28T14:30:13Z Effects of forming parameters and sintering schedules to the mechanical properties and microstructures of final components Rahman M.M. Nor S.S.M. Rahman H.Y. Sopyan I. 55328831100 23492827600 7101793656 23482484000 Compaction Hardness testing Inert gases Mechanical properties Microstructure Powders Scanning electron microscopy Axial loading Defect-free Forming parameters Green compacts Hardness test Inhomogeneous density Properties and microstructures Sintered parts Sintering furnaces Three-point bending test Warm compaction Zinc stearate Sintering This paper presents the effects of forming parameters and sintering schedules to the mechanical properties and microstructures of products formed through warm compaction route. A lab scale warm compaction rig is designed and fabricated which enabled the generation of green compacts at different forming parameters. The feedstock was prepared by mechanically mixing the main powder constituent, i.e., iron ASC 100.29 powder with zinc stearate to reduce the die-wall as well as inter-particle frictions hence inhomogeneous density distribution could be avoided. The powder mass is formed at different temperature, i.e., 120 �C and 180 �C applying 130. kN axial loading simultaneously from top and bottom punches. The defect free green compacts were sintered in inert gas fired sintering furnace for different sintering schedules. The final products were characterized through density measurement, hardness test, and three point bending test whereas the microstructures were analyzed by Scanning Electron Microscopy (SEM). The results revealed that the properties of sintered parts formed at 180 �C are better than those formed at 120 �C. The suitable forming parameters and sintering schedules were identified from this study. � 2011 Elsevier Ltd. Final 2023-12-28T06:30:13Z 2023-12-28T06:30:13Z 2012 Article 10.1016/j.matdes.2011.07.019 2-s2.0-80051498859 https://www.scopus.com/inward/record.uri?eid=2-s2.0-80051498859&doi=10.1016%2fj.matdes.2011.07.019&partnerID=40&md5=184fe6e0f40d531dcd647dcdc375b4b7 https://irepository.uniten.edu.my/handle/123456789/29487 33 1 153 157 Scopus
institution Universiti Tenaga Nasional
building UNITEN Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Tenaga Nasional
content_source UNITEN Institutional Repository
url_provider http://dspace.uniten.edu.my/
topic Compaction
Hardness testing
Inert gases
Mechanical properties
Microstructure
Powders
Scanning electron microscopy
Axial loading
Defect-free
Forming parameters
Green compacts
Hardness test
Inhomogeneous density
Properties and microstructures
Sintered parts
Sintering furnaces
Three-point bending test
Warm compaction
Zinc stearate
Sintering
spellingShingle Compaction
Hardness testing
Inert gases
Mechanical properties
Microstructure
Powders
Scanning electron microscopy
Axial loading
Defect-free
Forming parameters
Green compacts
Hardness test
Inhomogeneous density
Properties and microstructures
Sintered parts
Sintering furnaces
Three-point bending test
Warm compaction
Zinc stearate
Sintering
Rahman M.M.
Nor S.S.M.
Rahman H.Y.
Sopyan I.
Effects of forming parameters and sintering schedules to the mechanical properties and microstructures of final components
description This paper presents the effects of forming parameters and sintering schedules to the mechanical properties and microstructures of products formed through warm compaction route. A lab scale warm compaction rig is designed and fabricated which enabled the generation of green compacts at different forming parameters. The feedstock was prepared by mechanically mixing the main powder constituent, i.e., iron ASC 100.29 powder with zinc stearate to reduce the die-wall as well as inter-particle frictions hence inhomogeneous density distribution could be avoided. The powder mass is formed at different temperature, i.e., 120 �C and 180 �C applying 130. kN axial loading simultaneously from top and bottom punches. The defect free green compacts were sintered in inert gas fired sintering furnace for different sintering schedules. The final products were characterized through density measurement, hardness test, and three point bending test whereas the microstructures were analyzed by Scanning Electron Microscopy (SEM). The results revealed that the properties of sintered parts formed at 180 �C are better than those formed at 120 �C. The suitable forming parameters and sintering schedules were identified from this study. � 2011 Elsevier Ltd.
author2 55328831100
author_facet 55328831100
Rahman M.M.
Nor S.S.M.
Rahman H.Y.
Sopyan I.
format Article
author Rahman M.M.
Nor S.S.M.
Rahman H.Y.
Sopyan I.
author_sort Rahman M.M.
title Effects of forming parameters and sintering schedules to the mechanical properties and microstructures of final components
title_short Effects of forming parameters and sintering schedules to the mechanical properties and microstructures of final components
title_full Effects of forming parameters and sintering schedules to the mechanical properties and microstructures of final components
title_fullStr Effects of forming parameters and sintering schedules to the mechanical properties and microstructures of final components
title_full_unstemmed Effects of forming parameters and sintering schedules to the mechanical properties and microstructures of final components
title_sort effects of forming parameters and sintering schedules to the mechanical properties and microstructures of final components
publishDate 2023
_version_ 1806425578146889728
score 13.226497