Results 11 to 20 of about 245,180 (301)
High cooling rate of the laser powder bed fusion (L-PBF) additive manufacturing can suppress the formation of niobium carbide (NbC) phase in the fabricated Inconel 718 nickel-based superalloy parts.
Sajad Ghaemifar, Hamed Mirzadeh
doaj +2 more sources
Nanocrystalline niobium carbide (NbC) ceramics and niobium carbide-niobium nitride (NbC/NbN) composites were synthesized at low temperatures without high-pressure sintering using a single-step polymer-derived approach from a meltable pre-ceramic blend ...
M. Laskoski +10 more
semanticscholar +3 more sources
Characterisation of CVD Niobium Carbide Coatings on Hard Carbide Substrate
Hard coatings are often used for mechanical properties such as wear and friction resistance. The corrosion behaviour may also be an important criterion for industrial applications of these coatings.
Stela CONSTANTINESCU +2 more
doaj +1 more source
Improving the efficiency of the cutting tool based on its modification [PDF]
Currently, carbide cutting tools are mainly used for processing blanks of machine parts. Increasing the working life of carbide plates is one of the urgent tasks in mechanical engineering.
Romanov P.
doaj +1 more source
The hardness and adhesion of protective hard coatings to the substrate are the most important parameters that influence the performance of the tool. Herein, we propose an effective strategy, by in-situ hot press sintering, to fabricate a novel niobium ...
Jilin Li +6 more
doaj +1 more source
Fabrication and Characterization of Polymer Blend Doped With Metal Carbide Nanoparticles for Humidity Sensors [PDF]
Nanocomposites films of (polymer blend-ceramics) were prepared from (PVA-PAA) blend and (PVA-PAA) blend doped with niobium carbide nanoparticles for humidity sensors have low cost, easy fabrication, high sensitivity, lightweight and high corrosion ...
Ahmed Mohaisen, Zinah Hamad
doaj +1 more source
Structural and Magnetic Properties of Duplex Stainless steel (UNS S31803) Powders Obtained by high Energy Milling of Chips with Additions of NbC [PDF]
In this study, the high energy mechanical milling was utilized to the production of duplex stainless steel powders from the recycling chips with and without the addition niobium carbide.
Claudiney de Sales Pereira Mendonça +5 more
doaj +2 more sources
Metal matrix composites with a matrix of refractory metals (niobium, tungsten) and reinforcing nanodiamond particles were prepared for studying the possibility of decreasing the starting temperature of carbide synthesis.
Vladimir Popov +8 more
doaj +1 more source
The ceramic particle reinforcement process is one of the most utilized techniques to enhance the metal surface. The current investigation uses vanadium and niobium carbides to reinforce the AA6061 alloy using the friction stir process (FSP).
W. S. Abushanab +5 more
semanticscholar +1 more source
Characterization of Nanosized Carbide Precipitates in Multiple Microalloyed Press Hardening Steels
Press hardening steel standardly relies on titanium microalloying for protecting boron from being tied up by residual nitrogen. This practice safeguards the hardenability effect of boron during die quenching.
Hardy Mohrbacher +6 more
doaj +1 more source

