When a sample is tested to fracture it may fail either by Brittle Fracture or by Ductile Fracture. In ductile fracture, considerable plastic deformation before the material fractures. The fracture ...

Professor K R W Wallin is a recognised expert in the field of fracture mechanics. Indeed his work has provided a major input to the currently accepted ASTM Standard on the Master Curve Method , E1921.

Fracture toughness is a critical measure of a material's ability to resist crack propagation in the presence of pre-existing flaws. Resistance curve (J–R curve) analysis, employing parameters such as ...

Engineers have been working to create advanced materials with high-yield strength, fracture toughness and ductility. Their efforts have led to the development of a new material consisting of bainitic ...

The fracture surface associated with ductile fracture is shown in the photograph for a low carbon steel tested at high temperature. The top photograph shows the fracture surface at the center region ...

The Batelle two-curve method of fracture-arrest prediction for X70 and X80 high toughness steels requires correction factors based on the steel’s grade and toughness level. Oct. 20, 2008 13 min read ...

HOUSTON, Texas--New laboratory data confirm the potential for geothermal’s holy grail: tapping into the superhot, superdeep rock miles below our feet, which could create a clean, renewable energy ...

New laboratory data confirm the potential for geothermal’s holy grail: tapping into the superhot, superdeep rock miles below our feet, which could create a clean, renewable energy source capable of ...

Brittle materials like glass break in a completely different way to metals. Whereas metals deform before breaking, glass fractures abruptly. However, physicists from the University of Montpellier and ...