Table 2 Fitted fatigue-strength factors against type FR relative to the deflection angle. Estimated strength factors kFR/k using FEM are also shown

From: Crystal orientation-dependent fatigue characteristics in micrometer-sized single-crystal silicon

Type

Observed strength factor

Estimated strength factor kFR/k

  

First principal

{111} normal

{111} shear

FR

1.00

1.000

1.000

1.000

FT

1.12

1.392

1.487

1.264

GU

1.00

1.106

0.862

0.894

GR

1.25

1.418

1.168

1.167

GS

0.86

0.970

0.721

0.972

  1. Abbreviation: FEM, finite element method.