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3 Point Flexural Stress-Strain, Strength and Modulus

Test ID  

A universal testing machine (UTM) is used to determine and report flexural stress/strain curve. The specimen is placed on span; the span width depends on the specimen thickness. The UTM crosshead with single-point nose is lowered until just above specimen. The test is performed at a constant velocity, using a calculated value for the strain rate. Load and corresponding specimen deflection are recorded.    
ASTM D790  
ISO 178  
Data see sample data  
Flexural stress-strain, flexural strength and modulus are reported. This data appears in Matereality as Flexural Properties.  
Replicates (# of times this test is repeated)  
7 - flex bars [details]


This test is useful for quality control and specification purposes.