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Table 1. Circular sample dimensions

ID of the test sample used*      
Dimensions(mm) GL:________

OD:_______

ID: ________
GL:________

OD:_______

ID: ________
GL:________

OD:_______

ID: ________
J**(m4)
     

ktotal
(N-m/rad)

     
ksample***
(N-m/rad)
     
G
(N/ m2)
     

or #

(N/m2)

     
Tmax
(N-m)
     
Ty or Tu
(N-m)
     
Fracture description      

*Data file name
**To convert mm4 to m4, multiply by 10-12
***Corrected for machine compliance
#Ty and for ductile materials, Tu and for brittle materials.



 

Table 2.Comparison sheet (Circular samples)

Specimen

1

2

3

ID of test sample used

     

Material

AL 2024-T3

AL 2024-T3

AL 2024-T3

Reference material properties##

 

G=________

=________

G=________

=________

G=________

=________

Nominal dimensions

GL: 88.9 mm

OD: 12.7 mm

ID: 0.0 mm

GL: 88.9 mm

OD: 12.7 mm

ID: 10.16 mm

GL: 44.5 mm

OD: 12.7 mm

ID: 10.16 mm

Measured size

GL: _______

OD: ______

ID: _______

GL: _______

OD: ______

ID: _______

GL: _______

OD: ______

ID: _______

J
(m4)

     

Torsional stiffness,
ksample
(N-m/rad)

     

or #

(N/m2)

     

Length ratio

 

Polar moment of inertia ratio

 

Stiffness ratio

 


Ty ratio

 

##You can find these values in many mechanics of materials textbook. A quick web reference is www.matweb.com

Introduction

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Turkey bone

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