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Nitriding is a heat treating process that diffuses nitrogen into the surface of a metal to create a case-hardened surface. These processes are most commonly used on low-alloy steels. They are also used on titanium, aluminium and molybdenum.
14 lut 2023 · Here, we characterise the effects of time (up to 12 h) and temperature (490 to 560 ∘C) on nitridation with the aim to establish an effective regimen for the controlled synthesis of an aluminium nitride reinforcement powder for the production of metal matrix composites.
Plasma nitriding was selected in the present study to form AlN layer on aluminum alloys. This processing is an environmental friendly method because of its low gas and energy consumption. Normal plasma nitriding requires long processing time to successfully form AlN layer.
18 lip 2013 · Aluminum nitride is added (30 wt.%) to nickel or aluminum ; there is a reduction in LTEC, thermal stresses, and an increase in microhardness and density. Specimens only exhibit open porosity, and matrix grain size (in particular nickel) hardly increase on sintering.
1 cze 2016 · Among several methods, the precipitate-accommodated plasma nitriding is proposed as a new surface treatment of aluminum alloy parts to significantly increase the aluminum nitride formation...
This article provides information on the structure and properties of nitrided layers, and the technologies and mechanisms used for nitriding aluminum and its alloys. It also describes the nitriding behavior of aluminum alloys.
Summary. Gas Nitriding is a low temperature diffusion hardening process known for fatigue-resistance, corrosion-resistance, anti-galling, and lowered coefficient of friction. The process is suitable for mild steels, alloy steels, tool steels, cast irons, stainless steels, and more.
