In order to study the change rule of crack front edge morphology during fatigue crack propagation, the fracture toughness test of aluminum alloy was designed according to the test standard to obtain ...

After a prolonged period of defying economic headwinds, the US equity rally may be losing momentum. Investors are pulling ...

Design, construction and operation of Hydropower plants are complex tasks. A large number of details must be carefully considered, coordinated and executed in order that the projects achieve safe and ...