[PDF] Top 20 Modification of Al Si alloys by Ce or Ce with Sr
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Modification of Al Si alloys by Ce or Ce with Sr
... purity Al (NewMet, UK) and 99.999% Si (Alfa Aeser, UK) in a clay graphite crucible using a Carbolite RHF1500 high-temperature ...cast Al-Si alloy was then used to prepare the modified ...The ... See full document
9
Development of Novel Nano - Single Si Phase Cast Hypereutectic Al-Si Alloys
... for modification of silicon morphology of the Aluminum-Silicon eutectic and primary ...Strontium modification can be achieved at very low addition levels; usually a range of ...in Al-Si ... See full document
372
Effects of Sr+Ce on Microstructure and Abrasive Resistance of In Situ Mg2Si/Al Si Cu Composites
... 2 and 4. The resulting hardness of the sample 0 measured 110 HB, and by adding a modifier, the hardness increased to 118 HB and 125 HB, respectively. Consequently, the hard- ness change was caused by an interior ... See full document
6
Structural Modification of Sand Cast Eutectic Al Si Alloys with Sulfur/Sodium and Its Effect on Mechanical Properties
... over modification band in the microstructure of the alloy which signifies that the optimal level of addi- tion of sodium has been ...the alloys which, due to its brittle nature, reduces the mechanical ... See full document
8
A Model of the β AlFeSi to α Al(FeMn)Si Transformation in Al Mg Si Alloys
... the Al-rich phase, a single particle and a single -plate, which have a specific form and ...the Al-rich phase can be ...the Al-rich phase is ...the Al-rich ... See full document
9
Texture Formation and Room Temperature Formability of Rolled Mg Zn Ce Alloys
... 3.1 Texture formation of rolled Mg Zn Ce alloys Figure 1 shows the (0002) pole figures together with the distributions of grain boundary misorientations for the specimens. Under the as-rolled conditions, ... See full document
6
Antibacterial properties and regenerative potential of Sr²+ and Ce³+ doped fluorapatites; a potential solution for peri-implantitis
... lattice does not seem to affect the crystallographic identity of the materials since both the un-doped material (FAP) and the doped ones (FAP-Sr and FAP-Ce) found to have very similar (but not identical) ... See full document
11
Microstructural Characteristics of Sr and Na Modified Al-Mg-Si Alloy
... Al-Si-Mg alloy is categorized as Cast Aluminum Alloy. These alloys can be sand cast, chill cast; can be grain refined as well as ...Magnesium. Si is the major alloying element, which imparts ... See full document
9
Impact Toughness of Weldments in Al Mg Si Alloys
... aluminum alloys would be 6000 series aluminum alloys, which constitute the Al–Mg– Si alloy ...system. Al–Mg–Si alloys are the commercial alloys, which have been ... See full document
9
Wear Behavior and Characterization of Spray Formed Al-Si and Al-Si-Sn Alloys
... The Al-Si base alloy was used in the present ...the Al-Si alloy. During preparation of the alloys, desired percentage of Si and Sn ...of Al-17Si alloy and ... See full document
7
Effects of Ca,Sr Additions on Properties of Mg Al Based Alloys
... Also, the estimated result of fluidity of each alloy is shown in the figure. The evaluation of the fluidity was carried out using the spiral flow test mold. Generally, the flow length varies inversely as the solidification ... See full document
9
Formation Behavior of Nanoclusters in Al Mg Si Alloys with Different Mg and Si Concentration
... increasing Si and Mg concentration, resulting in the increased volume ...+ Si and Mg/Si ...+ Si concen- tration and in the specimens with about ...+ Si (mol%) and Mg/Si for ... See full document
7
Morphology of β Al5FeSi Phase in Al Si Cast Alloys
... so forces the film to straighten. The faithful reproduction of the irregular surface undulations or folds of the bifilm at the early stage of growth prior to the development of significant rigidity for the precipitates are ... See full document
10
Electrochemical Performance of Fe-Al intermetallic alloys with addition of Li, Ni and Ce in NaVO3 at 700°C
... significant differences in the anodic currents among the various intermetallic alloys. The FeAl, FeAl- Ni, FeAl-Li and FeAl-(Ce+Li) intermetallic alloys show current densities very similar between ... See full document
13
Influence of Sr and Mn Additions on Intermetallic Compound Morphologies in Al Si Cu Fe Cast Alloys
... tic Si particles and coarse -needle-like intermetallic com- pound in the Sr-free alloy ...the Sr added samples (Fig. 1(b)) the eutectic Si is well refined and the -phase has a modified and less- ... See full document
6
Effect of Sb and Sr Additions on the Microstructural Evolution of Mg Sn Al Si Based Alloys
... phase particles gradually changes into radial shape consisting of core, branches and outer parts. It can be seen in Fig. 1(c) that fine cores starts to emerge at the center of large amount of second phase particles in 3 ... See full document
5
Transmission Electron Microscopy for Precipitate Phases in Rapidly Solidified Mg 2 at%Ce 1 at%Zn and Mg 2 at%Ce Alloys
... Fig. 1(a), secondary phases with an about 50 nm thickness are observed as gray contrast along boundaries of matrix grains with an average size of 1 mm. On the other hand, another secondary phase with fine contrast can be ... See full document
5
Electrochemical performance of Mg-Al-Zn and Mg-Al-Zn-Ce alloys as anodes for Mg-air battery
... the Ce can reduce the content of impurities (such as iron and nickel) and refine the grain of AZ61 ...two alloys were assembled into Mg-air battery, the AZ61Ce alloy exhibits significantly improved ... See full document
13
Tribological Studies of Eutectic Al-Si Alloys Used for Automotive Engine Blocks Subjected to Sliding Wear Damage
... % Si alloy (A390) in dry air and argon environments at different test loads, using a block-on-ring (SAE 52100-type steel) configuration (shown in ...et al. [48] on an Al–4% Zn–2% Mg alloy revealed ... See full document
169
Improvement the Corrosion Resistance of pure Al, Al-Si and Al-Zn alloys by Nanoalumina Coating
... pure Al and its ...its alloys with nanoalumina by atomization ...nano Al 2 O 3 shifts the open circuit potential toward active direction, which ... See full document
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