Abstract Additive manufacturing processes allow the production of geometrically complex lightweight structures with specific material properties. However, by contrast ingot metallurgy methods, manufacture components using this process also brings about some challenges. In field microstructural characterization, where mostly very fine are analyzed, it is thus indispensable to optimize classic sa...

The article is devoted to a comprehensive analysis of the coating component from Ford Fo-cus 1.0 l EcoBoost engine. It one pair materially identical aluminum gears connected by drive pulley and drive. Aluminum gear components are surface treated with mixture metal powders using PVD technology, where goal increase hardness, abrasion resistance heat base material. chemical composition basic mater...

Accelerated testing in environments aggressive for the specific material have shown that fastener threads that are rolled after strengthening heat treatments have improved resistance to SCC initiation. For example, intergranular SCC was produced in one day when machined (cut) threads of high strength steel (ASTM A193 B-7 and A354 Grade 8) were exposed to an aggressive aqueous environment contai...

Ceramic coated carbon steel coupons were corrosion tested in water with dissolved salts to simulate exposure to evaporation concentrated groundwater in an underground nuclear repository. Metallography revealed no corrosion at the ceramic metal interface of dense coatings, even though electrical measurements demonstrated that the coatings were slightly porous. Experimental results and a model to...

in this work the effects of various methods of agitation on the properties of electroless ni-p-mos2 composite coatings were investigated. magnetic stirring as well as purging the solution with gas (air, oxygen, nitrogen) were used. plating rate, chemical composition, mos2 distribution, and hardness of the deposit were measured. topography of coating was studied with metallography and scanning e...

In this work, austenitic stainless steel screws employed in a locking compression plate for veterinarian use were investigated. These types of implants are widely utilized bone fractures healing. Two surgical extracted due to the observation slight superficial red rust colorizing on one screw implants, visual evidence probable rusting. From same implant, another was simultaneously without order...