Results 51 to 60 of about 112,198 (176)

Mechanical properties of arc-melted tungsten-rhenium-hafnium-carbon alloys [PDF]

, 1969
Effect of rhenium on mechanical properties of hafnium carbide strengthened tungsten ...
Witzke, W. R., Klopp, W. D.
core  

Hardness of hafnium carbide films deposited on silicon by pulsed laser ablation

, 2001
Hardness of hafnium carbide films deposited on silicon by pulsed laser ablation was investigated. The films were deposited on polished silicon (100) substrates using a pulsed laser ablation deposition (PLAD) apparatus.
BARTULI, Cecilia, D'ALESSIO, Luciano, C. BERTULI, S. m. Barinov, L. D'Alessio, FERRO, DANIELA, D. FERRO   +6 more
core   +1 more source

Surface Transformation of Ultrahigh-Temperature ZrB₂–HfB₂–SiC–C_CNT Ceramics Under Exposure to Subsonic N₂-CH₄ Plasma Flow

Ceramics
The chemical and microstructural transformation of the surface of a 31.5 vol.% ZrB2-31.5 vol.% HfB2-27 vol.% SiC-10 vol.% CCNT ultrahigh-temperature ceramic sample (where CCNT refers to carbon nanotubes) was studied under the influence of a subsonic N2 ...
Elizaveta P. Simonenko, Aleksey V. Chaplygin, Nikolay P. Simonenko, Ilya V. Lukomskii, Semen S. Galkin, Anton S. Lysenkov, Ilya A. Nagornov, Artem S. Mokrushin, Anatoly F. Kolesnikov, Nikolay T. Kuznetsov   +9 more
doaj   +1 more source

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

, 1965
Growth of single crystals of tantalum carbide and hafnium carbide, and their solid ...
Nelson, W. E., Halden, F. A.
core  

Tensile and Stress-Rupture Behavior of Hafnium Carbide Dispersed Molybdenum and Tungsten Base Alloy Wires

, 1993
The tensile strain rate sensitivity and the stress-rupture strength of Mo-base and W-base alloy wires, 380 µm in diameter, were determined over the temperature range from 1200 to 1600 K. Three molybdenum alloy wires; Mo + 1.1 wt% hafnium carbide (MoHfC),
H.M. Yun, R.H. Titran
core   +1 more source

The effect of Hafnium on the microstructure and tensile property in a Ni-based superalloy

Journal of Materials Research and Technology
The effects of Hafnium on the microstructure and tensile property of a Ni-based superalloy after solution heat treatment and long-term thermal exposure were investigated with field emission scanning electron microscope (FESEM), transmission electron ...
Linzi Li, Yunsheng Wu, Jieshan Hou, Shuang Gao, Lanzhang Zhou   +4 more
doaj   +1 more source

Resistance of silicon carbide to penetration by a tungsten carbide cored projectile [PDF]

, 2003
Proceedings of the Ceramic Armor and Armor Systems symposium held at the 105th Annual Meeting of the American Ceramic Society, 27-30 April 2003, in Nashville, TN, USASilicon carbide is well known as being a ceramic that can be employed as part of an ...
Hazell, Paul J., Roberson, Colin J., P. J. Hazell, C. Roberson   +3 more
core   +1 more source

Transient behavior of ablation and swelling for C/C composite and HfC-coated C/C composite in an arc-heated wind tunnel

Case Studies in Thermal Engineering
This study investigated and modeled the transient behavior of surface recession, defined as the difference between ablative length and swelling length, for thermal protection materials within a high-enthalpy flow.
Moon Won Song, Philyong Oh, Jong Geun Bae, Ho Seok Kim, Se Youn Moon   +4 more
doaj   +1 more source

The Ferro-Power MOSFET: Enhancing Short-Circuit Robustness in Power Switches With a Ferroelectric Gate Stack

IEEE Access
Power Metal Oxide Semiconductor Field Effect Transistors (MOSFETs) are essential in modern electronics, enabling efficient power conversion and control in a wide range of applications. Wide bandgap semiconductors such as silicon carbide (SiC) and gallium
Marco Boccarossa, Luca Maresca, Alessandro Borghese, Michele Riccio, Giovanni Breglio, Andrea Irace, Giovanni A. Salvatore   +6 more
doaj   +1 more source

Hafnium carbide as a barrier in multilayer coatings by chemical vapor deposition (CVD)

, 1999
Hafnium Carbide (HfC) is used as a wear resistant coating for hard metal cutting tools as well as a barrier for oxygen in multilayer coatings to protect Carbon Fibre reinforced Carbon composite materials (CFC) at high temperatures.
G. Emig, N. Popovska, V.K. Wunder
core   +1 more source