Kesan suhu pensinteran terhadap sifat mekanik dan mikrostruktur alumina-zirkonia yang difabrikasi dengan kaedah pengacuan suntikan seramik

Translated title of the contribution: Effect of sintering temperature on the mechanical properties and microstructure of alumina-zirconia fabricated via ceramic injection moulding method

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The effects of sintering temperature on the mechanical properties and microstructure of alumina-zirconia composite were investigated. Alumina-zirconia parts were successfully fabricated via ceramic injection moulding method using a multi-component binder system. The debound parts were sintered at temperatures of 1400, 1450, 1500, 1550, 1600 and 1650°C for 2 h after debinding process. Furthermore, the density, hardness and fracture toughness of the sintered parts were measured. The microstructure of the sintered part was observed via scanning electron microscope. The results showed that the density, hardness and fracture toughness of the sintered parts increase with increasing sintering temperature. The experimental results also indicate that the mechanical properties of the materials achieve maximum conditions at a sintering temperature of 1650°C. The densification of the sintered parts is close to 98.1% of the theoretical density with a hardness of 16.9 GPa and a fracture toughness of 3.95 MPa.m1/2. The results can be attributed to the microstructure of the dense material being driven by complete grain growth.

Original languageIndonesian
Pages (from-to)1979-1986
Number of pages8
JournalSains Malaysiana
Volume46
Issue number10
DOIs
Publication statusPublished - 1 Oct 2017

Fingerprint

Injection molding
Zirconia
Alumina
Sintering
Fracture toughness
Mechanical properties
Microstructure
Hardness
Temperature
Grain growth
Densification
Binders
Electron microscopes
Scanning
Composite materials

Keywords

  • Alumina-zirconia
  • Ceramic injection moulding
  • Sintering temperature

ASJC Scopus subject areas

  • General

Cite this

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title = "Kesan suhu pensinteran terhadap sifat mekanik dan mikrostruktur alumina-zirkonia yang difabrikasi dengan kaedah pengacuan suntikan seramik",
abstract = "The effects of sintering temperature on the mechanical properties and microstructure of alumina-zirconia composite were investigated. Alumina-zirconia parts were successfully fabricated via ceramic injection moulding method using a multi-component binder system. The debound parts were sintered at temperatures of 1400, 1450, 1500, 1550, 1600 and 1650°C for 2 h after debinding process. Furthermore, the density, hardness and fracture toughness of the sintered parts were measured. The microstructure of the sintered part was observed via scanning electron microscope. The results showed that the density, hardness and fracture toughness of the sintered parts increase with increasing sintering temperature. The experimental results also indicate that the mechanical properties of the materials achieve maximum conditions at a sintering temperature of 1650°C. The densification of the sintered parts is close to 98.1{\%} of the theoretical density with a hardness of 16.9 GPa and a fracture toughness of 3.95 MPa.m1/2. The results can be attributed to the microstructure of the dense material being driven by complete grain growth.",
keywords = "Alumina-zirconia, Ceramic injection moulding, Sintering temperature",
author = "{Md Ani}, Sarizal and Andanastuti Muchtar and Norhamidi Muhamad and {A Ghani}, Jaharah",
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language = "Indonesian",
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AU - Muchtar, Andanastuti

AU - Muhamad, Norhamidi

AU - A Ghani, Jaharah

PY - 2017/10/1

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N2 - The effects of sintering temperature on the mechanical properties and microstructure of alumina-zirconia composite were investigated. Alumina-zirconia parts were successfully fabricated via ceramic injection moulding method using a multi-component binder system. The debound parts were sintered at temperatures of 1400, 1450, 1500, 1550, 1600 and 1650°C for 2 h after debinding process. Furthermore, the density, hardness and fracture toughness of the sintered parts were measured. The microstructure of the sintered part was observed via scanning electron microscope. The results showed that the density, hardness and fracture toughness of the sintered parts increase with increasing sintering temperature. The experimental results also indicate that the mechanical properties of the materials achieve maximum conditions at a sintering temperature of 1650°C. The densification of the sintered parts is close to 98.1% of the theoretical density with a hardness of 16.9 GPa and a fracture toughness of 3.95 MPa.m1/2. The results can be attributed to the microstructure of the dense material being driven by complete grain growth.

AB - The effects of sintering temperature on the mechanical properties and microstructure of alumina-zirconia composite were investigated. Alumina-zirconia parts were successfully fabricated via ceramic injection moulding method using a multi-component binder system. The debound parts were sintered at temperatures of 1400, 1450, 1500, 1550, 1600 and 1650°C for 2 h after debinding process. Furthermore, the density, hardness and fracture toughness of the sintered parts were measured. The microstructure of the sintered part was observed via scanning electron microscope. The results showed that the density, hardness and fracture toughness of the sintered parts increase with increasing sintering temperature. The experimental results also indicate that the mechanical properties of the materials achieve maximum conditions at a sintering temperature of 1650°C. The densification of the sintered parts is close to 98.1% of the theoretical density with a hardness of 16.9 GPa and a fracture toughness of 3.95 MPa.m1/2. The results can be attributed to the microstructure of the dense material being driven by complete grain growth.

KW - Alumina-zirconia

KW - Ceramic injection moulding

KW - Sintering temperature

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