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Table 1 Material properties of all components

From: A lattice topology optimization of cervical interbody fusion cage and finite element comparison with ZK60 and Ti-6Al-4V cages

Component

Density (kg/m3)

Young’s Modulus

Poisson’s Ratio

Stiffness (N/mm)

Type

Cortical bone

1830

12,000

0.29

 

Solid

Cancellous bone

1000

450

0.29

 

Solid

Endplate

1830

1000

0.4

 

Solid

Nucleus

1000

3.4

0.49

 

Solid

Annulus fibrosus

1200

4.2

0.4

 

Solid

ZK60

1835

44,660

0.305

 

Solid

Ti-6Al-4V

4429

113,800

0.339

 

Solid

Facet joint

1000

10

0.3

 

Solid

Ligament

 ALL

1100

15

0.3

16

Spring

 PLL

1100

10

0.3

25

Spring

 CL

1100

4

0.3

19

Spring

 ISL

1100

4

0.3

7

Spring

 LF

1100

5

0.3

25

Spring

  1. ALL Anterior longitudinal ligament, CL Cervical ligament, FL Flaval ligament, ISL Interspinous ligament, PLL Posterior longitudinal ligament
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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