Document Type

Conference Paper

Rights

Available under a Creative Commons Attribution Non-Commercial Share Alike 4.0 International Licence

Disciplines

2.3 MECHANICAL ENGINEERING

Publication Details

Matrib 2010, June 23-27th, Croatia

Abstract

For replication processes to be deemed successful it must be possible to remove the replicated parts from the tool after processing. With decreasing part and feature size the challenge of demoulding replicated parts increases since the resulting parts and replication tooling used are more delicate and can be easily damaged. Predictive demoulding force models can be used to optimise the part, tool and process parameters to maximise the likelihood of success. Developing accurate models for this process requires knowledge of the dominant interfacial contributions to friction and knowledge of the size scale at which the dominant contributions operate together with an understanding of how these might change as process parameters vary. This paper explains the dominant contributors to friction at the micro scale and reviews test methods which are available to isolate and quantify each of these contributors.

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