... welding Eigen-line method. 20 02 2011 10 08 2011 30 01 2012 30 01 2012 cold working natural gas technology nondestructive testing pipes safety ultrasonic applications welding polyethylene pipe electrofusion nondestructive test safety assessment...

... stainless steel ultrasonic applications Vickers hardness nanoindentation microhardness surface nanocrystallization 304 stainless steel ultrasonic impact treatment In recent years, many researchers have paid more attention to nanocrystalline materials that have been found to exhibit novel...

... crystal microstructure finite element analysis impact (mechanical) internal stresses stainless steel stress corrosion cracking surface hardening tensile strength ultrasonic applications welding welds X-ray diffraction The presence of high tensile weld residual stress is an important...

... contact pressure values. 28 07 2005 13 07 2006 mechanical contact joining processes fasteners calibration finite element analysis ultrasonic applications bolted joints experimental ultrasonic waves pressure-sensitive film FEM Bolted joints are among the most...

... between the scattering wave and the corner echo. The quantitative characteristic of the method is also verified experimentally. 20 05 2005 11 04 2006 plates (structures) thermal stress cracking nondestructive testing ultrasonic applications stainless steel signal processing thermal...

... fasteners ultrasonic propagation ultrasonic applications clamps elongation friction The reliability of bolted assemblies is mainly determined by the level of the initial clamping load and by the stability of the clamping load over the life of the joint ( 1 ). The initial level of clamping load...