International Journal of Mechanical and Production Engineering (IJMPE)
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Statistics report
Jan. 2020
Submitted Papers : 80
Accepted Papers : 10
Rejected Papers : 70
Acc. Perc : 12%
Issue Published : 80
Paper Published : 1946
No. of Authors : 5536
  Journal Paper


Paper Title :
Molding Properties of Cobalt-Chrome-Based Feed Stocks used in Low-Pressure Powder Injection Molding

Author :Ehsan Gholami, Vincent Demers

Article Citation :Ehsan Gholami ,Vincent Demers , (2018 ) " Molding Properties of Cobalt-Chrome-Based Feed Stocks used in Low-Pressure Powder Injection Molding " , International Journal of Mechanical and Production Engineering (IJMPE) , pp. 33-38, Volume-6,Issue-10

Abstract : Low-pressure powder injection molding is an emerging technology for cost-effectively producing complex shape metallic parts with the proper dimensional tolerances, either in high or in low production volumes. In this study, the molding properties of cobalt-chrome-based feed stocks were evaluated for use in a low-pressure powder injection molding process. The rheological properties of feedstock formulations were obtained by mixing metallic powder with a proprietary wax-based binder system. Rheological parameters such as reference viscosity, shear rate sensitivity index, and activation energy for viscous flow, were extracted from the viscosity profiles and introduced into the Weir model to calculate the moldability index. Feedstocks were experimentally injected into a spiral mold cavity to validate the injection performance calculated with the model. Keywords - Binder, Feedstock, Moldability, Powder injection molding, Viscosity.

Type : Research paper


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