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The International Journal of Advanced Manufacturing Technology
Erschienen in: The International Journal of Advanced Manufacturing Technology 11-12/2020

28.01.2020 | ORIGINAL ARTICLE

Experimental and numerical investigations on size effect of friction in meso-/micro-forming without lubricant

verfasst von: Juanjuan Han, Yao Lin, Wei Zheng, Guangchun Wang

Erschienen in: The International Journal of Advanced Manufacturing Technology | Ausgabe 11-12/2020

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Abstract

The main purpose of this paper is to investigate the variation mechanism of tribological size effect in meso-/micro-forming processes. The effects of specimen size on friction behavior in meso-/micro-forming were investigated through the pure copper upsetting experiments without lubricant. It reveals that the friction coefficient on contact surface is getting smaller with the decreasing of specimen size. Then, the influence mechanisms of specimen size on friction behavior were studied by the combination of experimental and numerical methods. It indicates that as the specimen size decreases, the reducing friction coefficient is caused by the decreasing of normal pressure on contact surface in meso-/micro-forming processes without lubricant. The investigation results are very useful for predicting friction behavior in meso-/micro-forming processes without lubricant.
Vorheriger Artikel Experimental investigation of shot peening: correlation of pressure and shot velocity to Almen intensity
Nächster Artikel A path planning and sharp corner correction strategy for wire and arc additive manufacturing of solid components with polygonal cross-sections

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Metadaten
Titel
Experimental and numerical investigations on size effect of friction in meso-/micro-forming without lubricant
verfasst von
Juanjuan Han
Yao Lin
Wei Zheng
Guangchun Wang
Publikationsdatum
28.01.2020
Verlag
Springer London
Erschienen in
The International Journal of Advanced Manufacturing Technology / Ausgabe 11-12/2020
Print ISSN: 0268-3768
Elektronische ISSN: 1433-3015
DOI
https://doi.org/10.1007/s00170-020-04959-x

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