A compact tension specimen is tested according to ASTM standard E399. The load displacement curve is shown in the Figure below with PQ= 120 kN (Type 1 curve). The specimen dimensions are B=0.5 cm, W=10 cm, and “a” =5 cm. If the materials yield stress is 600 MPa are the conditions correct for a valid K1C measurement?
A compact tension specimen is tested according to ASTM standard E399. The load displacement curve is shown in the Figure below with PQ= 120 kN (Type 1 curve). The specimen dimensions are B=0.5 cm, W=10 cm, and “a” =5 cm. If the materials yield stress is 600 MPa are the conditions correct for a valid K1C measurement?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
A compact tension specimen is tested according to ASTM standard E399. The load
displacement curve is shown in the Figure below with PQ= 120 kN (Type 1 curve). The specimen
dimensions are B=0.5 cm, W=10 cm, and “a” =5 cm. If the materials yield stress is 600 MPa are
the conditions correct for a valid K1C measurement?
Please look up McEviley’s textbook on the thickness criterion for a valid fracture toughness value.
Transcribed Image Text:Load
Ps-Po
5% Secant
ܕܘܗ 8
Displacement
Pmax
Pmax
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