Investigation of the High Strength Steel Al-Si Coating during Hot Stamping Operations

Author:

Borsetto Francesca1,Ghiotti Andrea2ORCID,Bruschi Stefania3

Affiliation:

1. University of Padova

2. University of Padua

3. University of Trento

Abstract

To improve the low formability that HSS sheets exhibit at room temperature, innovative forming technologies like the hot stamping process are currently applied. In order to avoid scaling and decarburization during the heating step, metal sheets coated with a specially developed Al-Si coating are utilized. In the present work the coating characteristics in terms of morphology, surface roughness and tribological behaviour are investigated as function of heating temperature, holding time and cooling rate that are typical of hot stamping processes.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,General Materials Science

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