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- W2364893983 abstract "The Fracture strength of engineering ceramics is significantly influenced by the microscopic topography and residual stress field of ground surface.In this research,several testing equipments,such as metallurgical microscope,surface profiler and X-ray residual stress tester were adopted to investigate the relationships between microscopic topography,surface roughness,residual stress and fracture strength of ground ceramics,after surface grinding and mechanical polishing.Experimental results show that the smoother machined surface with low roughness and residual stress is obtained by polishing with absolute alcohol for 20 minutes;the fracture strength of Si3N4,SiC,and Al2O3 increases by 6.64%,8.18%,and 6.58%,respectively,compared with the work pieces without polishing,and the surface stress concentration and residual tensile stress of polished ceramics are both reduced after an appropriate polishing time,which causes a certain improvement of the fracture strength." @default.
- W2364893983 created "2016-06-24" @default.
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- W2364893983 date "2013-01-01" @default.
- W2364893983 modified "2023-09-23" @default.
- W2364893983 title "Influences of Surface Polishing on Fracture Strength for Ground Engineering Ceramics" @default.
- W2364893983 hasPublicationYear "2013" @default.
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