The Characterization and Rheological Investigation of Materials for Powder Injection Moulding / Ukwueze Bonaventure Emeka...[et al.]

Ukwueze, Bonaventure Emeka and Sulong, Abu Bakar and Muhamad, Norhamidi and Sajuri, Zainuddin (2017) The Characterization and Rheological Investigation of Materials for Powder Injection Moulding / Ukwueze Bonaventure Emeka...[et al.]. Journal of Mechanical Engineering (JMechE), SI 3 (2). pp. 97-107. ISSN 18235514

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Abstract

Stainless steel and Zirconia have become an attractive choice of powder injection moulding (PIM) materials because of their respective excellent mechanical and thermal properties. These are often combined deliberately to produce functional graded components. The characterization and rheological investigations of the materials are thus indispensable for successful implementation of subsequent stages to the PIM process. In this investigation, the powder materials were characterized. Two feedstock with solid loadings of 68% for stainless steel (17-4PH) and 50% for 3mol% yttria stabilized zirconia (3YSZ), were prepared based on optimal loading of 3% lower than the critical value. A common binder was employed comprising of 60% palm stearin and 40% polyethylene. The rheological results for the two materials exhibited pseudo-plastic and shear thinning behaviour indicated by decrease in velocity with increasing shear rate. The results also show that a temperature of 1300C is considered appropriate for injection moulding of both feedstock.

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Item Type: Article
Creators:
Creators
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Ukwueze, Bonaventure Emeka
UNSPECIFIED
Sulong, Abu Bakar
UNSPECIFIED
Muhamad, Norhamidi
UNSPECIFIED
Sajuri, Zainuddin
UNSPECIFIED
Subjects: T Technology > TA Engineering. Civil engineering > Materials of engineering and construction
T Technology > TJ Mechanical engineering and machinery > Machine construction (General)
Divisions: Universiti Teknologi MARA, Shah Alam > Faculty of Mechanical Engineering
Journal or Publication Title: Journal of Mechanical Engineering (JMechE)
UiTM Journal Collections: UiTM Journal > Journal of Mechanical Engineering (JMechE)
ISSN: 18235514
Volume: SI 3
Number: 2
Page Range: pp. 97-107
Item ID: 38681
Uncontrolled Keywords: 2C-Powder Injection Molding, Solid Loading, Binder Characteristics, Feedstock, Rheology
URI: https://ir.uitm.edu.my/id/eprint/38681

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38681

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