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Impact Curves at Room Temperature

Instrumented Impact Test (separately cast test bars)

Instrumented Charpy test with un-notched test bars. The testing machine was constructed with static hammer blade instrumented with strain gages.

Machine: Zwick 50 J, pendulum velocity 3.9 m/s. The drop in recorded load in the initial part of the curve is caused by the test method and the equipment used.

Public Reference(s): 1 3 5


Public Reference(s): 1 3 5


Public Reference(s): 1 3 5


Test Results:

 
Peak Load (kN)
Area (Ns)
Un-notched test bars
AM20 6.0 (0.2) 7.1 (0.8)
AM50 6.4 (0.4) 6.8 (1.4)
AM50-V 7.2 (0.2) 10.3 (1.3)
AM60 6.1 (0.6) 4.5 (1.5)
AS21 6.5 (0.5)  
AE42 5.4 (0.3) 2.9 (0.5)
AZ91 6.9 (0.1) 3.7 (0.1)


Cast-in notch
AM20 2.4 (0.2) 1.1 (0.1)
AM50 2.6 (0.2) 0.7 (0.1)
AM50-V 2.9 (0.1) 1.3 (0.1)
AM60 2.9 (0.1) 0.6 (0.1)
AS21 2.8 (0.1)  
AE42 3.0 (0.1) 0.6 (0.1)
AZ91 3.1 (0.2) 0.3 (0.1)


Machined-in notch
AM20 2.3 (0.1) 1.0 (0.1)
AM50 2.5 (0.2) 0.6 (0.1)
AM60 2.6 (0.1) 2.6 (0.1)
AM60 2.6 (0.1) 0.5 (0.1)
AS21 2.5 (0.1)  
AE42 2.6 (0.2) 0.4 (0.1)
AZ91 2.9 (0.2) 0.17 (0.01)

Standard deviation values in brackets.

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