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Fracture Mechanics 

Egon Rolf Delgado Ramírez
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This is a fracture mechanics test in CT specimen. Elastic compliance method was used. You can see in the beginning the crack size check very quickly, and then the subsequent unload and reload.
The material is an ASTM a572 Gr 50 and the specimen dimensions are W=40, B=20.
This test was done in "LaMef" laboratory (Laboratorio de Mecânica da Fratura) that belongs to the Material and Metallurgical department in UFRJ (Universidade Federal do Rio de Janeiro).

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18 авг 2024

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Комментарии : 10   
@Ayieppdom
@Ayieppdom Месяц назад
Hi can i get detail for fracture mechanics thesis of this video ?
@israelulloa9581
@israelulloa9581 4 года назад
Very nice video! Are the results published somewhere?
@gabrieldecastrocoelho47
@gabrieldecastrocoelho47 4 года назад
Hello, Nice video! What was the crosshead speed used at the testing?
@EgonDelgado
@EgonDelgado 4 года назад
Hello, thank you, in this test, in particular, was used 1 mm/min.
@mohammadabbasi4296
@mohammadabbasi4296 4 года назад
hello wonderful video have you used a special coating or paint on the surface of the specimen?
@EgonDelgado
@EgonDelgado 4 года назад
Hello Thank you, in this case none, just polished the surface of the steel.
@mohammadabbasi4296
@mohammadabbasi4296 4 года назад
@@EgonDelgado plastic deformation is so obvious i have a problem relating to qualitative investigation of plastic deformation at the tip of the crack although it is a small diameter pipe
@eung04
@eung04 Год назад
Hello, I'd like to ask a permission for use of this video for archive material of my art project. Can I ask you in detail via email?
@muinabdullahal755
@muinabdullahal755 3 года назад
Which ASTM standard is that?
@EgonDelgado
@EgonDelgado 3 года назад
Hello, we use ASTM E1820 "Standard Test Method for Measurement of Fracture Toughness"
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