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Results of studies carried out on the microstructure, hardness, and wear properties of three nickel base Ni–Cr–B–Si hardfacing alloys deposited on austenitic stainless steel by gas tungsten arc welding are presented here. Sliding wear resistance of the deposits is evaluated by ball-on-disc tribo-test followed by electron microscopy and Raman spectroscopy of the worn out surfaces. It is found that...
The effect of molecular weight (MW) of a polymer on the wettability of fibers and its influence on the performance properties need to be addressed in detail. Specialty polymer, viz. polyethersulphone (PES), with varying MW was selected as a matrix material to develop the composites with carbon fabric (CF). Since carbon fiber is inert towards the matrix, cold remote nitrogen–oxygen plasma (CRNOP) treatment...
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