Fine titanium carbide particles with about 50 nm were successfully produced by combining Ti and C atoms ... Ultrafine titanium carbide particles were synthesized by the reaction of liquid-magnesium and vaporized
When the addition of fine particles of CaCO3, the apparent density and thermal conductivity were increased ... and, also, with the addition of coarse particles over 45μm in size, the apparent density and thermal ... In this study, the adding of CaCO3 with average particle size of 27μm led to the lowest thermal conductivity
Each Brass scraps were mixed with same weight-ratio of Husk ash, and fine-ground by Rotate ring mill( ... As a result, analysis of particle size of synthetic pigments by particle size analyser, they are 3μm ... FT-IR, SEM Structure of the crystals are Zn2SiO4,, and ZnO, Cu2O, CuO, and cristobalite are existed and particles
This paper deals with the fabrication of titanium carbide using fine titanium hydride. ... The microstructures of titanium carbide as well as the change of the lattice parameters and particle
This Ca2Mg6Zn3 intermetallic compound was elongated to the extrusion direction and refined to fine particles ... It is probable that fine and homogeneous Ca2Mg6Zn3 intermetallic compounds played a significant role ... 0.8 wt% Ca containing alloy improved remarkably without reduction strength due to the formation of fine
Collection efficiency of the filtration system varies from 20% to 90% depending on filter life and dust particle ... to have a high potential for the use in subway MVAC with high collection efficiency, especially for fine ... The removal of fine dust with diameter smaller than 1㎛, which could not be well achieved by current filtration
Various analytical techniques including particle size analysis, density measurement, micro-Vickers hardness ... the alloy compact showed enhanced densification and reached its full density with little loss of its fine ... %Fe alloy fabricated in the present study was enhanced, which was due to its fine microstructure developed
particle size as well as uniform distribution of Cu phase. ... sink materials, mechanical alloying process where both homogeneous mixing of component powders and fine ... alloying showed W grain size ranged of 20-50 nm and were able to be efficiently sintered owing to the fine
The consolidation results of fine tungsten powders, W-Cu composite and W/Cu FGM by using a novel method ... Particle rearrangement, sliding, distortion and crushing due to the ultra high pressure are the dominant
examination of sintered Ti-42wt%Nb alloy using 4h-milled powder showed Ti-rich phases (α-Ti) which are fine ... The particle size, phase transformation and microstructure of the as-milled powder were investigated ... by particle size distribution (PSD) analyzer, scanning electron microscopy (SEM), X-ray diffractometery
The TEM results showed that the produced powders were very fine and uniform with a spherical particle ... The typical thickness of a passivated oxide layer on the particle surface was about 2 to 3 nm.
size decreased from to and a particle size distribution which is below 325 mesh in fined powder increases ... according to the mixture ratio of the feed materials and the diluent changed from 1 : 0.25 to 1 : 2, the particle
Both the ultimate strength and elongation were enhanced with the decrease of initial particle size. ... After the extrusion, the grain size became fine due to the severe plastic deformation during the extrusion
hybrid-alloyed steel powder is based on a molybdenum prealloyed steel powder to which molybdenum powder particles ... of this powder improved by a factor of 3.6 compared with that of the conventional powder due to the fine
development in science and technology which has been accomplished by applying new concepts such as fine ... ceramics and diamond or c-BN sintered compact are a kind of grain-dispersed alloy with high volume of hard particles
In this study, the physical and chemical properties of fine particles in a tunnel and the configuration ... following study aims to estimate the configuration ratio of the ion compounds that identifies the cause of fine
These fine iron oxide nanoparticles were prepared in air environment by the co-precipitation method using ... particle growth is held at a minimum. ... This is done using controlled precipitation of particles from surfactant stabilized solutions in the