International Journal of Advancements in Technology
Open Access
ISSN: 0976-4860
+44 1478 350008
ISSN: 0976-4860
+44 1478 350008
Department of Computer Science, Liberal Bilingual Institute of Togo, West Africa
Research Article
Micro-Forging and Peening Aging Produced by Ultra-High-Temperature and Pressure Cavitation
Author(s): Victor Uchechukwu Achunike*
From microstructural examination of specimen surfaces or sides and from the mechanical properties resulting from compressive residual stress using Cr-Mo steel (SCM435), Ni-Cr-Mo steel (SNCM630), Ti-6aAl-4V, and Inconel (UNSN06601) processed by WJC and UTPC (micro-forging), the microstructure of the WJC-processed specimen revealed that voids and cracks tended to occur in the depth region of 0.5-1 mm from the topmost surface. The microstructure of the UTPC-processed specimen showed the spheroidization of cementite observed in the depth region of 0.5-1 mm from the topmost surface. In addition, voids and cracks were not observed in the specimen bulk. The Charpy impact energy of UTPC had the highest value of 101 J because ductile layers were formed by UTPC processing. Stress relaxation behavior of various processed materials at a temperature of 500°C was investigated. Compressive resid.. View More»