Real-time diagnosis of micro powder injection molding using integrated ultrasonic sensors

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TypeArticle
Journal titleInternational Polymer Processing
Volume22
Issue2
Pages140145; # of pages: 6
Subjectminiature ultrasonic sensor; micromolding; part dimension variation; ultrasonic velocity; ultrasonic contact duration
AbstractReal-time diagnostics of ceramic powder injection molding using a commercial micromolding machine was performed using ultrasound. Miniature ultrasonic sensors were integrated onto the mold insert. Melt front, solidification, temperature variation and part detachment of the feedstock inside the old cavity were observed. It has been demonstrated that ultrasonic velocity in feedstock inside the mold cavity, the ultrasonic contact duration during which the part and mold are in contact and packing/holding pressure can be used to assist with optimization of injection and cooling parameters to minimize energy consumption and maximize process efficiency.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); NRC Industrial Materials Institute
Peer reviewedYes
NRC number48965
NPARC number15774988
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Record identifier1ea20e25-8b8a-4c4f-ab9c-21aed6a7b5d2
Record created2010-07-06
Record modified2016-05-09
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