Journal of Advanced Materials and Technologies

Journal of Advanced Materials and Technologies

Investigating the Effect of Solid Load on The Process of Low-Pressure Injection Molding (LPIM) of Zirconia Parts

Document Type : Original Reaearch Article

Authors
Jaber Mirzaei 1
Danial Ghafoori 2
Hamidreza Zarei 3
1 Instructor, Department of Aerospace Engineering, Shahid Sattari University of Aeronautical Sciences and Techniques, Tehran, Tehran, Iran.
2 Chief Executive Officer, Nogara Ceram Fanavar Company, Materials and Energy Research Institute growth center, Meshkin Dasht, Alborz, Iran.
3 Professor, Department of Aerospace Engineering, Shahid Sattari University of Aeronautical Sciences and Techniques, Tehran, Iran.
10.30501/jamt.2024.417900.1289
Abstract
In this article, Low-Pressure Injection Molding (LPIM) method was investigated as a method for forming zirconia (zirconium oxide) parts. It is one of the methods used for manufacturing engineering ceramics with complex shapes and high dimensional accuracy. In this method, a binder composition (paraffin waxe) is used as the plasticizing agent to shape zirconia particles. Optimizing the volume percentage of solid load helps to make parts without defects. For this purpose, in this research, two ways of investigating the behavior of flow behavior and debonding of zirconia feedstocks were used to select the optimal percentage of solid load. This optimization was done between feedstocks containing 52, 53, and 54 Vol% of solid load and at temperatures of 70, 80, and 90 °C. The feedstock containing 54% solid load has better flow behavior and less sensitivity to shear, as well as better debonding behavior than the other two feedstocks, and it was possible to make the part without defects through this feedstock.
Keywords
Low Pressure Injection Molding
Zirconia
Paraffin Wax
Debinding
Feedstock

Subjects

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Journal of Advanced Materials and Technologies
Volume 13, Issue 1
Spring 2024
Pages 57-68

  • Receive Date 01 October 2023
  • Revise Date 14 January 2024
  • Accept Date 10 March 2024