Showing 1 - 10 of 12
the highest surface hardness was determined with the Taguchi program. The friction and wear behaviors of the coating, an … electrolytic hard chrome (EHC)-plated coating and IN718, were comparatively investigated via a reciprocating sliding wear test at ….02 at 450°C; the coating had the lowest FC among the three samples. At both temperatures, the coating wear depth (WD) was …
Persistent link: https://www.econbiz.de/10008799817
Persistent link: https://www.econbiz.de/10009757309
Persistent link: https://www.econbiz.de/10012650321
Persistent link: https://www.econbiz.de/10012392157
Persistent link: https://www.econbiz.de/10012113614
Persistent link: https://www.econbiz.de/10012036930
force microscopy, hardness testing machine, scratch tester, and pin-on-disc machine, were used to analyze and quantify the … following properties and parameters: surface morphology, thickness, hardness, adhesion, and coefficient of friction (COF) of the …, resulting in film with deteriorated surface features. Both coating thickness and indentation loads influenced the hardness of …
Persistent link: https://www.econbiz.de/10005080564
force on the result of Vickers hardness tester calibration using uncertainty analysis, Measurement systems analysis (MSA …), analysis of variance (ANOVA) and Z-score. The rotation anmgle of indenter affects the values of hardness, repeatability rrel …, maximal error Erel and relative expanded uncertainty Urel. The significance of the angle of indenter on the hardness and …
Persistent link: https://www.econbiz.de/10009319036
Diamond-like carbon, DLC, thin films which is an amorphous hydrogenated form of carbon, a-C:H, has been synthesized by CVD method. SEM imaging, back-scattering Raman spectroscopy and reflected FT-IR spectroscopy have been used for characterization of the synthesized thin films. Kramers–Kronig...
Persistent link: https://www.econbiz.de/10008474845
in order to improve the micro-Vickers hardness, coefficient of friction and surface roughness of TiN coating deposited on … showed the maximum hardness, i.e., about five times higher than uncoated one and 1.24 times to the coating deposited at zero … ion etching. After friction test, the wear track was observed by using field emission scanning electron microscope. The …
Persistent link: https://www.econbiz.de/10004977513