Additive manufacturing (AM) has attracted much attention due to its capability in building
parts with complex geometries. Unfortunately, AM metals suffer from three major drawbacks …

The accurate determination of residual stresses has a crucial role in understanding the
complex interactions between microstructure, mechanical state, mode (s) of failure, and …

As most of the failures in engineering components initiate from the surface layer, applying
surface treatments can play a crucial role in controlling material performance and lifetime. In …

Metal additive manufacturing (AM) is capable of producing complex parts, using a wide
range of functional metals that are otherwise very difficult to make and involve multiple …

In order to probe the superior nano/micron scale mechanical behaviors of ultra-fine grain
(UFG) austenitic stainless steel as compared with coarse grain (CG) counterpart, systematic …

To improve the fretting fatigue (FF) resistance of GH4169 superalloy, ultrasonic surface
rolling process (USRP) is carried once and three times on material surface and the effect of …

In this study, the fatigue behaviors of GH4169 superalloy, which possessed a gradient
nanostructure layer introduced by an ultrasonic surface rolling process (USRP) and …

An ultrasonic surface rolling process (USRP) is a novel mechanical surface treatment
technique for enhancing the fatigue performance of metallic materials. In this work, USRP …

In this study, mechanical properties improvement of equiatomic CoCrFeMnNi treated with an
ultrasonic nanocrystal surface modification (UNSM) was studied. The applied UNSM …

Ultrasonic nanocrystal surface modification (UNSM) is a unique, mechanical, impact-based
surface severe plastic deformation (S2PD) method. This newly developed technique finds …