Evolution of Deformation-Induced Surface Morphologies Generated in Fe-Based Sheet National Institute of Standards and Technology

Format:

Conference/Event

Author/Creator:

Stoudt, M. R., author.

Conference Name:

SAE 2004 World Congress & Exhibition (2004-03-08 : Detroit, Michigan, United States)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 2004

Summary:

The complex strain states that exist within a real metal stamping are likely to generate different surface morphologies when compared to the same level of plastic strain produced via single pass deformation. This study quantifies the surface morphology that develops when an as-received traditional plain carbon steel sheet is deformed under two different single-pass, in-plane stretching operations. Roughness measurements performed in the as-received condition with a high resolution scanning laser confocal microscope revealed that an initial surface roughness did not appear to influence the deformation generated with biaxial strain. However, the initial surface roughness could have affected the deformation generated with uniaxial strain. The roughness data were fitted to a probability density function (PDF) and resulted in a near-ideal Gaussian distribution of the surface profile heights. This analysis revealed that the shape of the PDF curve changes monotonically with surface roughness and plastic strain and that the accuracy of the rms roughness (Rq) parameter strongly depends on the quality of the Gaussian fit

Notes:

Vendor supplied data

Publisher Number:

2004-01-0166

Access Restriction:

Restricted for use by site license