Vacuum Level

Discontinuities Including Porosity (Imaging Nondestructive)

Thermal Conductivity (W/mK)

Inner Surfaces (X-Ray Refraction)

Porosity (SS)

Mode I (GIC) kJ/m2

Horizontal

Vertical

Static

Fatigue at N = 106

Poor

3.70% - 4.80%

0.64

1.05%

0.36%

3.43%

0.45

0.005

Moderate

3.10% - 4.39%

0.69

0.95%

0.33%

1.77%

0.44

0.006

High

1.30% - 2.10%

0.75

0.87%

0.23%

1.49%

0.52

0.010