Ultrasonic measurement of residual wall thickness during gas assisted injection moulding.

No === Ultrasonic technology provides a powerful and noninvasive method of in-process measurement during injection molding and extrusion. Changes in the velocity, attenuation and reflection coefficients of high frequency sound waves can be related to the state and conditions of the materials through...

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Bibliographic Details
Main Authors: Mulvaney-Johnson, Leigh, Brown, Elaine C., Coates, Philip D.
Language:en
Published: 2009
Subjects:
Online Access:http://hdl.handle.net/10454/3138