Microstructure characterization and thermal analysis of …
Abstract. The solidification kinetics of a high strength B206 aluminum casting alloy as a function of cooling rates between 1 and 15 K/min has been characterized through a …
Synthesis and Characterization of Nanocrystalline Iron …
In the present study, nanocrystalline iron aluminide intermetallic compounds were synthesized using mechanical alloying, sintering and high velocity oxy-fuel (HVOF) …
Influence of Ionic Liquid on Hydrolyzed Cellulose Material: …
International Journal of Polymer Analysis and Characterization Volume 15, 2010 - Issue 7. Submit an article Journal homepage. 450 ... FT-IR Spectroscopy and TG-DTG-DSC Analysis. Ruxanda Bodirlau Institute of Macromolecular Chemistry "Petru Poni,", Iasi, Romania, Carmen-Alice Teaca Institute of Macromolecular Chemistry "Petru Poni,", ...
Characterization of aluminide coatings formed by
The chromium concentration in the diffusion case is as high as in the matrix. This clearly indicates the presence of a significant solid solution of chromium in the iron aluminide phases. Barbier et al. [20] observed the formation of binary intermetallic iron aluminide Fe 2 Al 5 in a compact layer which is adjacent to the stainless steel. The ...
Synthesis and characterization of iron aluminide
Intermetallic iron aluminide alloy nanoparticles were synthesized by non-transferred DC plasma spray torch at atmospheric pressure. These powder particles were characterized by vibrating sample magnetometer (VSM), X-ray diffraction (XRD), environmental scanning electron microscopy (ESEM), laser scattering particle size …
Investigation on the reaction of iron powder mixture as a
The second one is a simultaneous DSC–TG Q Series instrument (SDT Q600) which can perform both DSC and TG at the same time. ... The oxidation reaction kinetics of iron powder examined by the DSC method was determined by ASTM procedure, ... Odinek J, Reinhardt FW. Characterization of Fe/KClO 4 heat powders …
Investigation of the Formation of Iron‐Rich Intermetallic …
The formation of iron (Fe)-containing intermetallics during solidification is challenging due to the influences of cooling rate and chemical composition. Differential …
What's the difference between DSC and TGA analysis?
Glass transition temperature (Tg) is a notable aspect often revealed by DSC. DSC is the go-to method in scenarios where the temperature range and energy associated with a specific thermal transition are the primary areas of interest. ... Factors such as heating rates and the specific materials characterization needs often dictate the choice. ...
Thermoanalytical (TG/DSC/EVG–GC–MS) characterization
Request PDF | Thermoanalytical (TG/DSC/EVG–GC–MS) characterization of the lanthanide (Ho) iron garnet formation in sol–gel: Thermal process | In the present study, the investigation of ...
Study of an iron-aluminide and alumina tritium barrier coating
An iron-aluminide and alumina tritium barrier coatings prepared by the high-activity pack-aluminizing and controllable pre-oxidizing processes have been investigated in this paper. A uniform iron-aluminide layer with Al content about 30 wt% and thickness between 15 and 25 μm was formed on the 316L samples at a temperature …
Development and characterization of an iron aluminide
Iron aluminides are intermetallic Fe–Al alloys known for their high temperature corrosion and oxidation resistance, which makes them candidate materials for high temperature applications. In the present work, the formation of an iron aluminide layer on a mild steel substrate by friction stir surfacing of aluminium alloy AA6351 followed by …
Study on formation and characterization of iron aluminide …
This paper describes the formation and characterization of iron aluminide coatings on 9Cr–1Mo steel substrate. In this regard, first, 9Cr–1Mo steel specimens …
Formation of iron aluminide coatings on plain carbon …
A tungsten inert gas (TIG) welding process was utilized successfully to produce a dense and hard iron aluminide coating on an aluminized plain carbon steel substrate. The aluminized surface of the steel sheets was melted using different currents in the range of 30 to 50 A. The surface and cross section of the alloyed layers were studied …
TG and DSC curves of the LiFePO 4 precursor.
The TG and DSC curves of the precursor of LiFePO 4 /C are presented in Figure 2. Three step weight losses were observed in the TG curve with a total weight loss of 19%. ...
Thermoanalytical (TG/DSC/EVG–GC–MS) characterization of …
In the present study, the investigation of formation mechanism of holmium iron garnet (Ho3Fe5O12, HoIG) prepared by an aqueous sol–gel method was reported. We specifically focused on the identification of species released during the thermal decomposition of the Ho–Fe–O precursor gel using thermal analysis method. The formation of holmium iron …
Study on formation and characterization of iron aluminide coatings …
This paper describes the formation and characterization of iron aluminide coatings on 9Cr–1Mo steel substrate. In this regard, first, 9Cr–1Mo steel specimens were immersed into molten bath containing pure aluminum and then laser melted at different laser pulse energies. The microstructure and phase identification of …
A study on the formation of iron aluminide (FeAl) from …
A study on the formation of iron aluminide (FeAl) from elemental powders H. Sina, ... TG–DSC unit (F3-Jupiter STA 449) with alumina crucibles was used to heat the sam-ples. The DSC unit was ...
Aluminium matrix tungsten aluminide and tungsten …
In-situ processing of tungsten aluminide and tungsten reinforced aluminium matrix composites from elemental tungsten (W) and aluminium (Al) was investigated by thermal analysis and pulsed current ...
Synthesis and Characterization of Nanocrystalline Iron Aluminide
In the present study, nanocrystalline iron aluminide intermetallic compounds were synthesized using mechanical alloying, sintering and high velocity oxy-fuel (HVOF) thermal spraying from the ...
Synthesis and characterization of iron aluminide nanoparticles …
This value of Ms is among the highest value reported so far for iron aluminide materials [18] [19] [20] and is much higher than that of iron oxide with similar size (typical range from 70 to 110 ...
Characterization of an Iron Aluminide Alloy of
This study aimed at characterizing some properties of an Fe-Al alloy obtained from a congruent melt within 53–57 wt.% composition range. It focused on checking the homogeneity and uniqueness of the constituent's phase. Different analyses and examination techniques were used to explore and assess these properties. The …
Measurement of Tg by DSC
Tg is a valuable characterization parameter associated with a material and can provide very useful information regarding the end-use performance of a product. The 'classic' Tg is …
4: Differential Scanning Calorimetry (DSC)
4.4 Applications of DSC. I. Characterisation of polymeric materials: The 'glass transition temperature' (Tg) is an important parameter for many polymeric, ceramics and glasses. On cooling the material from the liquid state, there is (at the Tg) a change from the liquid state to amorphous state or glassy state.
Characterisation and comparison of biomass ashes with
The present research is focused on the characterisation and comparison of biomass ashes from wood pellet with different thermal histories. One of the ashes is obtained in a muffle furnace until its mass stabilization reaching a temperature of 550 °C, low temperature ash (LTA); the other one came from an experimental fixed bed …
One-pot green synthesis of iron oxide nanoparticles from
The approximate temperature of Fe 2 O 3 s transition of interest was found to be around 930 (^circ ) C. Characterization of coatings on NPs by evolved gas analysis can be achieved using TG-DSC ...
Thermoset Characterization Part 1: Introduction to DSC
Guest Post by Dr. R. Bruce Prime. Differential scanning calorimetry or DSC is the most widely used analytical technique to characterize thermoset cure, due its ability to quickly and accurately measure the glass transition temperature Tg and conversion or degree of cure. Tg is the temperature where on heating the thermoset changes from a …
iron aluminide characterization by tg and dsc
منزل iron aluminide characterization by tg and dsc . iron aluminide characterization by tg and dsc. A Review on the Properties of Iron Aluminide Intermetallics. Iron aluminides have been among the most studied intermetallics since the 1930s, when their excellent oxidation resistance was first noticed. Their low cost of production, low ...
Characterization and properties of intermetallic Al3Ti alloy …
A. Preparation for titanium aluminide Al 3 Ti alloy. Titanium aluminide Al 3 Ti alloy was prepared via a diffusion reaction between Al and Ti alloy foils at a temperature of 685 °C in a vacuum hot pressing furnace. The foils used in this study were commercial pure Al 1100 and commercial Ti–6Al–4V alloy (TC4), with the thickness of 1.8 and 0.5 mm, …
Iron Aluminides | Annual Reviews
The iron aluminides discussed here are Fe–Al-based alloys, in which the matrix consists of the disordered bcc (Fe,Al) solid solution (A2) or the ordered intermetallic phases FeAl …
Effects of substrate surface roughness and aluminizing agent
However, in the case of iron aluminide coatings produced by low pressure chemical vapor deposition (1.33±0.13 kPa), the rate of transport of aluminum to the substrate is much faster than the ...