Necking mechanism under various sintering process parameters-A review

Mazlan, Mohd Rhafiq and Jamadon, Nashrah Hani and Rajabi, Armin and Sulong, Abu Bakar and Mohamed, Intan Fadhlina and Yusof, Farazila and Jamal, Nur Ayuni (2023) Necking mechanism under various sintering process parameters-A review. Journal of Materials Research and Technology-JMR&T, 23. pp. 2189-2201. ISSN 2238-7854, DOI

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The process of sintering involves applying pressure and heat to the materials without melting them in order to fuse the particles together into a solid mass. The fusion between the particle are also known as interparticles necking which plays an important role in producing high-density products. Increasing in necking size between particles will allow the formation of smaller pore sizes which help to produce stronger and higher hardness materials. The necking also plays an essential role in producing high porosity products that are commonly used for medical applications which still required high tensile value and hardness. For this, proper process parameters were required to produce larger necking growth. To get a better understanding of this matter, the effect of powder and processing parameters will be reviewed in this article. The parameters for different processes such as conventional sintering, microwave sintering, selective laser melting, and others will be discussed in this paper as well. (c) 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (

Item Type: Article
Funders: Ministry of Education, Malaysia (Grant No: FRGS/1/2020/TK0/UKM/03/5)
Uncontrolled Keywords: Powder particle; Necking mechanism; Particle bonding; Sintering process; Grain boundary; Densification
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions: Faculty of Engineering > Department of Mechanical Engineering
Depositing User: Ms Zaharah Ramly
Date Deposited: 01 Dec 2023 06:46
Last Modified: 01 Dec 2023 06:46

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