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Understanding wear conditions during hot stamping

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posted on 2016-05-01, 00:00 authored by Michael PereiraMichael Pereira, Amir Abdollahpoor, Bernard RolfeBernard Rolfe, P Zhang, C Wang
Wear and galling are significant issues during production hot stamping processes. This paper uses thermo-mechanical finite element analysis to study the contact pressure, sliding distance and temperature conditions that occur at the wearing interface during hot stamping. Several hot stamping processes are studied, representing the numerous methods that are used in industry to form a typical hat-shaped channel component. These process include crash forming (without blankholder), stamping with a blank holder with an applied blank holder pressure, and stamping with a clearance blank holder (i.e. with spacer blocks). This paper identifies the distinct contact pressure and temperature conditions that occur for each of these forming methods. The regions of the most severe contact conditions are notably different for each of the forming methods. The work from this paper will form the basis for the development of suitable temperature dependent wear models and low cost wear tests for industrial hot stamping applications.

History

Title of book

Advanced high strength steel and press hardening: Proceedings of the 2nd international conference (ICHSU2015)

Chapter number

5

Pagination

585 - 590

Publisher

World Scientific Publishing

Location

Changsha, China

Place of publication

London, Eng.

Start date

2015-10-15

End date

2015-10-18

ISBN-13

9789813140615

Language

eng

Notes

This Chapter is part of the 2nd International Conference on Advanced High Strength Steel and Press Hardening (ICHSU 2015) - Changsha, China, 15 – 18 Oct 2015

Publication classification

B Book chapter; B1 Book chapter

Copyright notice

2016, World Scientific Publishing

Extent

7

Editor/Contributor(s)

Y Zhang, M Ma

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