Results 251 to 260 of about 212,005 (311)
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Investigation of nitriding directly in the nitriding process
Metal Science and Heat Treatment, 19821. We designed an apparatus and method of determining the phase composition at nitriding temperature. 2. At the beginning of the nitriding process (0.5 h) all phases corresponding to the Fe−N phase diagram are observed in Armco iron and the steels tested.
V. I. Konoval'tsev +2 more
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Desulfurization on Boron Nitride and Boron Nitride‐based Materials
Chemistry – An Asian Journal, 2020AbstractCombustion of liquid fuels containing sulfur compounds is highly unfavorable due to the adverse effects caused by the resultant SOx emission. Consequently, catalytic and adsorptive materials having the capacity to eliminate the sulfur compounds from liquid fuels are very attractive.
Antony Rajendran +3 more
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Iron nitrides and laser nitriding of steel
Hyperfine Interactions, 1998Nitriding of iron and steels is well known to improve hardness, wear and corrosion resistance of surfaces. Recently, it has been found that a simple irradiation of iron and steel with pulses of an excimer laser in air or nitrogen leads to a significant nitrogen take-up into the surface and to improvements in the surface properties.
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Titanium nitride-molybdenum metallizing method for aluminium nitride
Proceedings. Japan IEMT Symposium, Sixth IEEE/CHMT International Electronic Manufacturing Technology Symposium, 1990A paste containing molybdenum (Mo) and titanium nitride (TiN) powders was printed on aluminium nitride (AlN) substrates and fired. The adhesive strength of substrates metallized with Ni/Au plate was about 25 kg/2.5 mm/sup 2/ and was unchanged after a thermal cycle test.
H. Asai +8 more
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Journal of the American Ceramic Society, 1991
The composition and microstructure of dispersed‐phase ceramic composites containing BN and AIN as well as BN and AIN single‐phase ceramics prepared by chemical vapor deposition have been characterized using X‐ray diffraction, scanning electron microscopy, electron microprobe, and transmission electron microscopy techniques.
John A. Hanigofsky +4 more
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The composition and microstructure of dispersed‐phase ceramic composites containing BN and AIN as well as BN and AIN single‐phase ceramics prepared by chemical vapor deposition have been characterized using X‐ray diffraction, scanning electron microscopy, electron microprobe, and transmission electron microscopy techniques.
John A. Hanigofsky +4 more
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Nitriding Structure and Properties of Nitrided Layers
2014Abstract Nitriding is a general term for all processes based on the addition of nitrogen to the surface of steel. When carbon is added along with the nitrogen, the process is called nitrocarburizing. This article provides a detailed discussion on the functional and structural properties of nitrided layers. It describes the structural
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Conversion of Alumina to Aluminum Nitride Using Polymeric Carbon Nitride as a Nitridation Reagent
Journal of the American Ceramic Society, 2016Polymeric carbon nitride, which was synthesized by polymerization of dicyandiamide at 500°C, was used as a nitridation reagent in the conversion of δ‐alumina (δ‐Al 2 O 3 ) to aluminum nitride (AlN). The products obtained at various reaction temperatures
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