L-20

Citation:

L-20. P. Larour, “Strain rate sensitivity of automotive sheet steels: influence of plastic strain, strain rate, temperature, microstructure, bake hardening and pre-strain,” Doctoral Dissertation, 2010, IEHK RWTH Aachen University, ISBN 978-3-8322-9149-5.

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Tensile Testing: Engineering Stress-Strain Curves vs. True Stress-Strain Curves

Tensile testing is one of the most basic formability characterization methods

High Strain Rate Testing

Dynamic tensile testing of sheet steels is becoming more important due to the need for more optimized vehicle

True Fracture Strain

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Circle Grid Strain Analysis (CGSA)

Non-Linear Strain Paths (Stress-Based FLCs)

Conventional

Engineering Stress-Strain vs. True Stress-Strain

Strength is defined as load divided by cross-sectional area. In a tensile test, the choice of when the

AHSS Strain Hardening and Gradients

The mild steel currently being used for sheet metal stampings has higher n-values than High Strength Low Alloy Steel

Press Hardening Steel Grades: Unlocking Strength Through Innovation

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Cold Stamped or Hot Formed? Part II

Performance Advantages

Steel, and specifically advanced high strength steel, satisfies automotive industry requirements for safety,

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