...Ye Qi; Vinh Nguyen; Shreyes Melkote; Michael Varenberg This paper presents a study of the wear of high-speed steel cutting tools modified mechanochemically by shot peening their rake faces with a mixture of Al 2 O 3 and Cu 2 S particles. This treatment has been recently proved to reduce cutting...

...Ye Qi; Vinh Nguyen; Shreyes Melkote; Michael Varenberg Using a combination of solid mechanics and reaction kinetics models, this work simulates a mechanochemical reaction in dual shot peening with a mixture of Al 2 O 3 and Cu 2 S particles used to form a tribologically beneficial iron sulfide layer...

... deformation shock waves shot peening Laser shock peening (LSP) has been successfully applied to improve the strength and fatigue performance of metallic workpiece ( 1 2 3 ). During LSP, high pressure shock wave generated by high intensity laser pulse propagates into the material, which results...

... nozzles production equipment shot peening statistical analysis surface roughness surface texture titanium alloys Conventional surface preparation methods, namely, grit blasting and chemical etching, have exhibited shortcomings for industrial processing. Grit blasting raises concern due to (i...

... finite element analysis hardening laser deposition plastic deformation plasticity shot peening yield strength Microscale laser shock peening ( μ LSP ) , which aims to improve fatigue performance by imparting a compressive residual stress into the target material surface layer...

... plastic deformation shot peening silicon Laser shock peening (LSP) is a common procedure of introducing compressive residual stresses and plastic deformation on the surface of metal components to improve the fatigue life and wearing resistance. For the past few decades, extensive investigations...

... in the surface of metallic materials, which significantly increases fatigue life and wear resistance in applications ( 4 5 6 ). Compared with shot peening, the compressive stresses extend much deeper below the surface and the resulting fatigue life enhancement is significant ( 4 ). Increases in hardness...

... for specimens broken at several tested stress levels using optical microscope. Wang , S. , Li , Y. , Mei , Y. , and Wang , R. , 1998 , “ Compressive Residual Stress Induced by Shot Peening ,” J. Mater. Process. Technol. 0924-0136 10.1016/S0924-0136(97)00213-6 , 73 , pp. 64 – 73...

... at High Strain Rate ,” J. Appl. Phys. 0021-8979 10.1063/1.327799 , 51 ( 3 ), pp. 1498 – 1504 . 06 02 2006 30 08 2006 shot peening laser beam machining shock waves internal stresses work hardening finite element analysis fatigue Since the first experiments...

... with the traditional shot peening, which has been widely used for the past six decades, LSP can produce a deeper plastic deformation depth (more than 1 mm versus below 0.25 mm for shot peening) and a higher magnitude of residual stresses, without leaving a roughened surface ( 1 ). For LSP under...

.... 01 July 2003 01 October 2003 08 07 2004 aluminium copper shot peening laser materials processing X-ray diffraction dislocation structure crystal microstructure slip plastic deformation crystal orientation finite element analysis stacking faults Laser shock...