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Fatigue strength: MS1 steel (Hxx/ST3)

This page presents the S-N curves and fatigue limit of MS1 steel samples that underwent shot-peening, heat treatment and machining that removed allowance of 3mm (in that order), obtained using the bending tests of rotating bars with AM layers parallel to the axis of rotation.

Production and prost-processing conditions

Build orientation of longitudinal axis horizontal
Position with respect to inert gas flow undefined
Post-processing shot-peening → heat treatment → machining allowance 3mm

Experimental S-N curve

Experimental method ISO1143, rotating bending test R=-1
Run-out criterion 107 cycles
AM layers parallel to axis of rotation

Wöhler curve

Fatigue limit (MPa) 576
Number of cycles to failure N N=6,35⋅1029⋅S-8,26
Stress amplitude S (MPa) S=4038⋅N-0,121

Explanation of the terms are given at the page Fatigue strength description.

This page is a part of the section DMLS/SLM: Fatigue design rules.

2.dr/ · Last modified: 2021/12/27 20:27 by soskicz

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