Results 31 to 40 of about 112,198 (176)

High temperature mechanical properties of polycrystalline hafnium carbide and hafnium carbide containing 13-volume-percent hafnium diboride [PDF]

, 1969
High temperature mechanical properties of polycrystalline hafnium carbide containing 13- volume-percent hafnium ...
Probst, H. B., Sanders, W. A.
core  

The Role of Microstructure on High-Temperature Oxidation Behavior of Hafnium Carbide [PDF]

, 2022
Microstructure development of the products formed upon oxidation of hafnium carbide (HfCx, x = 0.65, 0.81, or 0.94) at 1300°C and 0.8 mbar oxygen pressure was investigated using Raman spectroscopy, X-ray diffraction, electron microscopy, and electron ...
Scott, Jonathan A., Lipke, David W., He, Xiaoqing, Xiaoqing He, Jonathan A. Scott, David W. Lipke   +5 more
core   +1 more source

PRELIMINARY INVESTIGATION OF THE FABRICATION AND PROPERTIES OF HAFNIUM CARBIDE [PDF]

, 1961
Hafnium carbide - properties and ...
Zalabak, C., Creagh, J. R., Gangler, J. J., Sanders, W. A.   +3 more
core  

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

, 1964
Vaporization rates in vacuum of hot pressed tantalum carbide and hafnium carbide in temperature range of 2500 to 3000 deg
Deadmore, D. L.
core  

Efficient noble metal nanocatalysts supported on HfC(001) for O2 dissociation

AIP Advances, 2017
The adsorption and dissociation of O2 on the M4 (M=Au, Pd, Pt) clusters supported on HfC(001) (Hafnium Carbide) are investigated using ab initio density functional theory calculations. The geometric and electronic structures are analyzed in detail. It is
Shiyan Wang, Xilin Zhang, Yanxing Zhang, Jianjun Mao, Zongxian Yang   +4 more
doaj   +1 more source

Zirconium carbide, hafnium carbide and their ternary carbide nanoparticles by an in situ polymerization route

RSC Advances, 2015
An in situ polymerization route for the synthesis of zirconium carbide, hafnium carbide and their ternary carbide nanoparticles.
Chunlei Yan, Rongjun Liu, Changrui Zhang, Yingbin Cao   +3 more
openaire   +1 more source

Effect of carbon fiber crystallite size on the formation of hafnium carbide coating and the mechanism of the reaction of hafnium with carbon fibers [PDF]

, 2017
The effect of carbon source crystallite size on the formation of hafnium carbide (HfC) coating was investigated via direct reaction of hafnium powders with mesophase pitch-based carbon fibers (CFs) heat-treated at various temperatures. X-ray diffraction,
Yuan, G, Westwood, A, Ma, G, Li, X, Cong, Y, Cui, Z, Han, F, Dong, Z, Zhu, H   +8 more
core   +1 more source

Determination of the efficiency of hafnium carbide and tantalum carbide coatings deposited on exchange membrane fuel cells

, 2021
The energy efficiency of the hafnium carbide and tantalum carbide membranes (electrolyte) deposited through the PVD technique was determined from the systems simulation under operating conditions of parallel plates connected in series.
Ruiz Madera, C, Aperador, W, Bautista-Ruiz, Jorge, J. Bautista-Ruiz, W. Aperador, C. Ruiz-Madera   +5 more
core   +1 more source

Low-temperature solution synthesis of nanosized hafnium carbide using pectin

, 2015
Nano-sized hafnium carbide was synthesized from organic–inorganic hybrid polymer based on polycondensation and carbothermal reduction reaction from pectin and hafnium tetrachloride followed by thermal treatment.
Al Nasiri, Nasrin, Lee, William E, Al Nasiri, N, Jayaseelan, Doni Daniel, Patra, N, Jayaseelan, DD, Lee, WE, Patra, Niranjan   +7 more
core   +1 more source

Effect of sintering process on microstructure and mechanical properties of W–Re alloys

Fenmo yejin jishu
The W–5.0Re–0.5HfC alloys were prepared by powder metallurgy, and the effects of three sintering processes on the microstructure and room-temperature mechanical properties of the alloys were systematically investigated, including hydrogen, vacuum, and ...
YAO Huilong, WANG Chengyang, XIONG Ning, CHANG Yang, ZHANG Danhua   +4 more
doaj   +1 more source