Atomistic tribological investigation of ultrathin layer of carbon disulfide between diamond surfaces

2021 ◽  
pp. 1-10
Author(s):  
Alexei Khomenko ◽  
Denis Boyko ◽  
Kateryna Khomenko
Keyword(s):  
Carbon Disulfide ◽  
Diamond Surfaces ◽  
Ultrathin Layer

Reflection electron microscopy of as-grown diamond surfaces

1993 ◽  
Vol 51 ◽  
pp. 1006-1007
Author(s):  
Z.L. Wang ◽  
J. Bentley ◽  
R.E. Clausing ◽  
L. Heatherly ◽  
L.L. Horton
Keyword(s):  
Electron Microscopy ◽  
Synthetic Diamond ◽  
High Energy ◽  
Dark Field ◽  
Reverse Direction ◽  
Diamond Surfaces ◽  
Grain Sizes ◽  
Synthetic Diamonds ◽  
De Beers ◽  
Reflection Electron Microscopy

It has been found that the abrasion of diamond-on-diamond depends on the crystal orientation. For a {100} face, the friction coefficient for sliding along <011> is much higher than that along <001>. For a {111} face, the abrasion along <11> is different from that in the reverse direction <>. To interpret these effects, a microcleavage mechanism was proposed in which the {100} and {111} surfaces were assumed to be composed of square-based pyramids and trigonal protrusions, respectively. Reflection electron microscopy (REM) has been applied to image the microstructures of these diamond surfaces.{111} surfaces of synthetic diamond:The synthetic diamonds used in this study were obtained from the De Beers Company. They are in the as-grown condition with grain sizes of 0.5-1 mm without chemical treatment or mechanical polishing. By selecting a strong reflected beam in the reflection high-energy electron diffraction (RHEED) pattern, the dark-field REM image of the surface is formed (Fig. 1).

Improvement in the Fock test for determining the reactivity of dissolving pulp

TAPPI Journal ◽  
2013 ◽  
Vol 12 (11) ◽  
pp. 21-26 ◽  
Author(s):  
CHAO TIAN ◽  
LINQIANG ZHENG ◽  
QINGXIAN MIAO ◽  
CHRIS NASH ◽  
CHUNYU CAO ◽  
...  
Keyword(s):  
Moisture Content ◽  
Sodium Hydroxide ◽  
Constant Temperature ◽  
Carbon Disulfide ◽  
Testing Procedure ◽  
Dissolving Pulp ◽  
Water Bath ◽  
Testing Conditions ◽  
Pulp Sample ◽  
Fock Reactivity

The Fock test is widely used for assessing the reactivity of dissolving pulp. The objective of this study was to modify the method to improve the repeatability of the test. Various parameters that affect the repeatability of the Fock test were investigated. The results showed that Fock reactivity is dependent on testing conditions affecting the xanthation between cellulose and carbon disulfide, such as the moisture content of the pulp sample, sodium hydroxide (NaOH) concentration, xanthation temperature, carbon disulfide dosage, and xanthation time. The repeatability of the test was significantly improved using the following modified testing procedure: air dried sample in the constant temperature/humidity room, xanthation temperature of 66°F (19°C) in a water bath, xanthation time of 3 h, NaOH concentration of 9% (w/w), and 1.3 mL carbon disulfide.

Reactions of Carbon Disulfide and Carbon Dioxide Adducts (eta5-C5H5)(CO) 2Fe-CX2 with Organoiron Electrophiles

1988 ◽  
Author(s):  
Mary E. Giuseppetti ◽  
Bruce E. Landrum ◽  
John L. Shibley ◽  
Alan R. Cutler
Keyword(s):  
Carbon Dioxide ◽  
Carbon Disulfide

Atomistic Simulation of Properties of Ultra-thin Layer of Liquid Argon Compressed Between Diamond Surfaces

2016 ◽  
Vol 8 (1) ◽  
pp. 01028-1-01028-8 ◽  
Author(s):  
A. V. Khomenko ◽  
◽  
D. V. Boyko ◽  
M. V. Zakharov ◽  
K. P. Khomenko ◽  
...  
Keyword(s):  
Thin Layer ◽  
Atomistic Simulation ◽  
Liquid Argon ◽  
Diamond Surfaces

scholarly journals Broadband perfect absorber based on one ultrathin layer of refractory metal

2015 ◽  
Vol 40 (11) ◽  
pp. 2592 ◽  
Author(s):  
Huixu Deng ◽  
Zhigang Li ◽  
Liliana Stan ◽  
Daniel Rosenmann ◽  
David Czaplewski ◽  
...  
Keyword(s):  
Refractory Metal ◽  
Perfect Absorber ◽  
Ultrathin Layer

Spectroscopic Investigation of Chalcogen Bonding: Halide–Carbon Disulfide Complexes

ChemPhysChem ◽  
2021 ◽  
Author(s):  
Christian T. Haakansson ◽  
Timothy R. Corkish ◽  
Peter D. Watson ◽  
Hayden T. Robinson ◽  
Terrence Tsui ◽  
...  
Keyword(s):  
Carbon Disulfide ◽  
Spectroscopic Investigation
Sign in / Sign up

Export Citation Format

Share Document