Results 1 to 10 of about 276,966 (307)

Study of growth parameters for refractory carbide single crystals quarterly status report no. 4, dec. 1, 1964 - mar. 1, 1965 [PDF]

open access: yes
Growth of single crystals of tantalum carbide and hafnium carbide, and their solid ...
Halden, F. A., Nelson, W. E.
core   +1 more source

Tribological properties of sintered polycrystalline and single crystal silicon carbide [PDF]

open access: yes
Tribological studies and X-ray photoelectron spectroscopy analyses were conducted with sintered polycrystalline and single crystal silicon carbide surfaces in sliding contact with iron at various temperatures to 1500 C in a vacuum of 30 nPa.
Buckley, D. H.   +2 more
core   +1 more source

Several new catalysts for reduction of oxygen in fuel cells [PDF]

open access: yes, 1970
Test results prove nickel carbide or nitride, nickel-cobalt carbide, titanium carbide or nitride, and intermetallic compounds of the transition or noble metals to be efficient electrocatalysts for oxygen reduction in alkaline electrolytes in low ...
Cattabriga, R. A.   +4 more
core   +1 more source

A Study on the Effects of Cold Deformation on CMnSi Steel Structures Utilised in the Shipbuilding Industry

open access: yesPolish Maritime Research
This article analyses the effects of deformation on the structure of CMnSi steel at various deformation levels. After hot forging, the structure of CMnSi steel comprises coarse-sized alpha and pearlite particles.
Nguyen Van Nhanh   +4 more
doaj   +1 more source

Application of Cryogenic Treatment to Extend the Life of the TiAlN-Coated Tungsten Carbide Milling Cutter [PDF]

open access: yes, 2020
Cutting tools are important to the manufacturing industry since they will affect production efficiency and product quality. Cryogenic treatment can improve the material properties by decreasing residual stress, stabilizing dimensional accuracy, and ...
Hsiung J. -C., Kung H. -K., Wu J. -H.
core   +1 more source

Microstructure stability and softening resistance of a novel Cr-Mo-V hot work die steel

open access: yesHigh Temperature Materials and Processes
To enhance the high-temperature stability of hot-work die steel, a novel hot-work die steel was designed on the basis of 55NiCrMoV7 steel by increasing the content of Mo and V.
Yuan Yasha   +6 more
doaj   +1 more source

Suppression of tool wear in diamond turning of steel (Effect of microstructure of carburized steel)

open access: yesNihon Kikai Gakkai ronbunshu, 2017
Diamond cutting tools show severe wear in turning of steels. In previous paper, it was shown that carbides on ferrite phase, which were precipitated by carburization, suppressed the diamond tool wear.
Genta TSUJINO   +6 more
doaj   +1 more source

Vaporization of Tantalum Carbide-hafnium Carbide Solid Solutions at 2500 Deg to 3000 Deg k [PDF]

open access: yes
Vaporization rates in vacuum of hot pressed tantalum carbide and hafnium carbide in temperature range of 2500 to 3000 deg
Deadmore, D. L.
core   +1 more source

Effect of two-step pretreatment on cobalt contents and surface roughness of tungsten carbide substrate prior to diamond coating [PDF]

open access: yes, 2010
Cemented tungsten carbide is the most widely used material for cutting tools. Due to extreme demands higher tool life several types of coating have been introduced to prolong the service time which include diamond coating.
Safari, Habiballah
core  

First-principles study of ultrathin (2 \times 2) Gd nanowires encapsulated in carbon nanotubes

open access: yes, 2010
Using density functional calculations, we investigate the structural and magnetic properties of ultrathin Gd and Gd-carbide nanowires (NWs) encapsulated in narrow carbon nanotubes (CNTs).
Kim, Gunn, Parq, Jae-Hyeon, Yu, Jaejun
core   +1 more source

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