• Nenhum resultado encontrado

Sintering process

Recycling of mill scale in sintering process

Recycling of mill scale in sintering process

... the sintering process was done under suction pressure ...The sintering time was determined by the time elapsed from the start of ignition until the exhaust gas temperature reached the maximum ...the ...

11

High pressure sintering of TiB2 ceramics at different temperatures

High pressure sintering of TiB2 ceramics at different temperatures

... The aim of this study was to investigate the effect of the HPS temperature on microstructure and physical and mechanical properties of TiB 2 ceramics. The results about features of the sintering process, ...

4

Investigation of sintering in electroceramics by thermodilatometry

Investigation of sintering in electroceramics by thermodilatometry

... technological process that transforms individual ceramic particles into a compact polycrystalline ...This process is widely used to fabricate bulk ceramic components [1, ...the sintering ...

10

Prediction of densification and microstructure evolution for α-Al2O3 during pressureless sintering at low heating rates based on the master sintering curve theory

Prediction of densification and microstructure evolution for α-Al2O3 during pressureless sintering at low heating rates based on the master sintering curve theory

... master sintering curve was carried out to see whether a unique densification curve exists during ...during sintering with a constant heating rate as well as those measured by the Archimedes method after ...

11

Mat. Res.  vol.12 número2

Mat. Res. vol.12 número2

... the sintering process in a glass, and it is in good agreement with the one predicted by the viscosity behavior of the glass (Figure ...during sintering of vitreous materials is viscous flow 16 ...

4

Phenomenological theory of sintering and its application to swelling

Phenomenological theory of sintering and its application to swelling

... The left-hand part of Eq. (34) refers to first grade processes, that is, to the rate of the sintering process. The right-hand part of Eq. (34) represents the action of different sources and driving forces ...

12

Mat. Res.  vol.15 número4

Mat. Res. vol.15 número4

... nanopowders’ sintering process at comparatively lower ...optimal sintering parameters (temperature and time) extracted from dilatometric and density ...other sintering conditions, moreover, ...

8

Master sintering curve: A practical approach to its construction

Master sintering curve: A practical approach to its construction

... Master Sintering Curve (MSC) is a strong tool for optimizing the sintering ...from sintering data involves complicated and time- consuming ...dilatometric sintering experiments the newly ...

8

Electrical sintering of silver nanoparticle ink studied by in-situ TEM probing.

Electrical sintering of silver nanoparticle ink studied by in-situ TEM probing.

... In our experiments we observe a similar effect with the carbonization of the binder that in turn is the starting trigger for the sintering process. The heating rate was similar for all the experiments but ...

6

Mat. Res.  vol.7 número4

Mat. Res. vol.7 número4

... Figures 3, 4 and 5 depict the sintering process of C03, C05 and C07 through SEM micrographs. Figures 3a, 3b and 3c show the linear shrinkage (∆L/L 0 ) at 800 °C (initial stage) for C03, C05 and C07, which ...

7

Three-dimensional computer simulation of grain coarsening during sintering

Three-dimensional computer simulation of grain coarsening during sintering

... elementary sintering process including investigation of the effect of grain rearrangement on grain coarsening and grain growth will be also analyzed by using simple three-grain model shown in ...of ...

13

Master Sintering Surface: A practical approach to its construction and utilization for Spark Plasma Sintering prediction

Master Sintering Surface: A practical approach to its construction and utilization for Spark Plasma Sintering prediction

... where Q is the apparent activation energy of sintering process, R is the gas constant and ρ is density. If the right side of this equation is denoted as Θ , the relationship between ρ and Θ is entitled as ...

7

Bench-scale calcination and sintering of a goethite iron ore sample

Bench-scale calcination and sintering of a goethite iron ore sample

... and sintering studies conducted on an iron ore sample from Iron Quadrangle, Brazil with high goethite ...and sintering were characterised by inductively coupled plasma optical emission spectroscopy ...

11

Matéria (Rio J.)  vol.14 número1

Matéria (Rio J.) vol.14 número1

... sintering temperature. This is a clear evidence that the presence of both reinforcing elements delay the shrinkage process and, as a consequence, also the beginning of the sintering process of ...

6

Al TiC Al Ti Al C

Al TiC Al Ti Al C

... microwave-assisted process were ...the sintering process in the microwave method, there is no trace of TiO 2 and Al 4 C 3 as pernicious ...the sintering duration, leads to the increase of the ...

9

Cerâmica  vol.43 número283284

Cerâmica vol.43 número283284

... The sintering process of titania can be described as plastic flow, and the mixtures show a competition in sintering mechanism between plastic flow and liquid ...optimum sintering condition is ...

4

Interpretation of Frenkel’s theory of sintering considering evolution of activated pores: II. Model and reliability

Interpretation of Frenkel’s theory of sintering considering evolution of activated pores: II. Model and reliability

... the sintering, the process can be described as gravitation of the electronic system towards an equilibrium ...the process proceeds, the effective activated volume of a system-v at any moment during ...

6

A practical approach for the calculation of the activation energy of the sintering

A practical approach for the calculation of the activation energy of the sintering

... the sintering step has to be introduced [1]. During the sintering process, the green body is heated at temperatures approaching ...The sintering process is divided into three stages ...

8

ACTIVATED HOT PRESSING BEHAVIOR OF WC NANOPOWDERS

ACTIVATED HOT PRESSING BEHAVIOR OF WC NANOPOWDERS

... at sintering at the moment of an electric current passage of enough the big size (up to 5000-8000 А) in zones of interpartial contacts arise electric discharges which according to physics of this process ...

4

"Spark plasma sintering" (SPS) de nanocompósitos de Al2O3-ZrO2.

"Spark plasma sintering" (SPS) de nanocompósitos de Al2O3-ZrO2.

... Uma alternativa mais recente para a sinterização de cerâmicas nanocristalinas é a sinterização por plasma (Spark Plasma Sintering - SPS) [9, 10]. Esse processo permite a utilização de temperaturas mais baixas e ...

6

Show all 6336 documents...

temas relacionados