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ball milling lattice parameter

Jul 18, 2019· An increase in milling time leads to a small expansion of the a and c lattice parameters of Sn, Sb, and SnSb, respectively. For all samples, the increase by ball milling over 6 h is in the range of about 0.2–0.7% in the a direction and 0.4%–0.6% in the c direction, see Figure S1, Supporting Information.

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Non-monotonic lattice parameter variation in ball-milled
Non-monotonic lattice parameter variation in ball-milled

Jun 23, 2015· High-energyball millingis utilized in creating microstructural changes (such as change inlattice parameter,latticestrain) within micro-ceria, which were quantified using line profile analysis by X-ray diffraction. Crystallite size significantly decreased from 85 to 11 nm when subjected to 4 h of high-energyball milling, and then remained same with increase inmillingduration (up to 16 h ...

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Evolution of crystallite size, lattice parameter and
Evolution of crystallite size, lattice parameter and

During ball milling the lattice parameter a pr of the fcc-Al precipitates decreases from a pr (t=0)=a Al=4.050 ˚to a pr (t=1440 min)=4.046 ˚. This is in opposite direction to the change in the lattice parameter of the reference material which increases to a Al ( t= 1440 min)=4.052 ˚after 1440 min of ball milling time, see Fig. 2 b.

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FeAl alloy disordered by ball-milling - ScienceDirect
FeAl alloy disordered by ball-milling - ScienceDirect

Abstract Fe-40 at% Al powder wasball-milledin aplanetary mill, and it was found that 8 hmillingsufficed to remove all long-range order. Thelattice parameterincreased by 0.8%, the increase continued somewhat after all X-ray evidence of long-range order had disappeared.

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FeAl alloy disordered by ball-milling - ScienceDirect
FeAl alloy disordered by ball-milling - ScienceDirect

In view of these results, thelattice parameterof the samples used for the present study was measured after each stage of FeAl alloy disordered byball-milling75 '0 5 10 15 20 25millingtime [h] Fig. 2.Latticeexpansion vsmillingtime for FeAl powder.ball-milling.

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Size effect on the lattice parameter of KCl during
Size effect on the lattice parameter of KCl during

The results suggest anomalouslatticeexpansion, with thelattice parameterincreasing from 6.278 Å at d = 6 μm to 6.30307 Å at d = 85 nm. The defects generated duringball millingof KCl and surface stress are deemed to be responsible for thislattice parameterexpansion.

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High-Energy Ball Milling - an overview | ScienceDirect Topics
High-Energy Ball Milling - an overview | ScienceDirect Topics

High-energyball milling, a predominantly mechanical process, nevertheless results in significant structural and chemical changes in the material. Nonequilibrium synthesis of materials at low temperatures viaball millingis possible through a combination of multiple processes, which occur duringmilling.

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Structural changes in iron powder during ball milling
Structural changes in iron powder during ball milling

Synthesis of nanocrystalline elemental iron, nickel, copper, and tungsten has discussed the effect ofball millingonlattice parameter, crystallite size and micro-strain [1,2,13,14,18e20]. ...

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MechanicalMilling: a Top Down Approach for the Synthesis
MechanicalMilling: a Top Down Approach for the Synthesis

Pure copper powders with different amounts of 1, 3 and 6 wt% of commercial pure zirconium powders were mixed and milled in a planetary ball mill for different milling times of 4, 12, 48 and 96 h. Results showed that the lattice parameter of copper increased with increasing milling time.

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Evolution of crystallite size, lattice parameter and
Evolution of crystallite size, lattice parameter and

Evolution of crystallite size, lattice parameter andinternal strain in Al precipitates during high energyball millingof partly amorphous Al87Ni8La5 alloy

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Magnetic properties ofball-milled SrFe12O19 particles
Magnetic properties ofball-milled SrFe12O19 particles

The room-temperature magnetic properties ofball-milled strontium hexaferriteparticles consolidated by spark-plasma sinteringare strongly influenced by themillingtime. Scanning electron microscopy revealed theball-milled SrFe 12 O 19 particles to have sizes varying over several hundred nanometers. X-Ray powder-diffraction studies performed ...

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Effect ofball millingon defects level, Curie point and
Effect ofball millingon defects level, Curie point and

According to the X-ray phase analysis data, thelattice parameterand the coherent scattering region decrease in this case, and the microstrain is reduced by an order of magnitude. ... T1 - Effect ofball millingon defects level, Curie point and microstructure of LiTiZn ferrite ceramics. AU - Malyshev, A. V. AU - Vlasov, V. A. AU - Petrova, A. B.

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The microstructure ofballmilled nanocrystalline vanadium
The microstructure ofballmilled nanocrystalline vanadium

Ball millingcauses an increase in the particle size and a decrease in the grain (crystallite) size with increasingmillingtime, alattice-strain variation, due to deformation-induced dislocations, that increases withmillingtime and deformation-induced stacking faults of density increasing withmillingtime. Thelattice parameterof the ...

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Lattice parameter| Article aboutlattice parameterby The
Lattice parameter| Article aboutlattice parameterby The

The effects ofball millingon the hydrogen sorption and disproportionation behaviors of [Zr.sub.0.8][Ti.sub.0.2]Co sample can be deduced from the changed microstructure includinglattice parameter, morphology, elemental composition, and crystal defects.

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Insertion compounds and composites made byball milling
Insertion compounds and composites made byball milling

Jan 18, 2016· The diffraction peaks of the phase formed uponball millingwith Na can be indexed in the same orthorhombic cell as for the pristine NVPF 26, but with differentlattice parameters, that is, a=9 ...

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Effect of Cr to Fe on the Solid Solubility,Lattice
Effect of Cr to Fe on the Solid Solubility,Lattice

-Fe-Cr phase was investigated using formula Fe80Cr20.Ball millingprocess and ultrasonic technique is successfully done to develop solid solubility and improve homogenous, respectively. However, the effect of the Cr to Fe powder is not complete investigated using combination of its process.Ball millingis conducted bymillingtime of 60 hours and ultrasonic technique were carried out at ...

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Processing and Properties of High-Entropy Ultra-High
Processing and Properties of High-Entropy Ultra-High

Bulk equiatomic (Hf-Ta-Zr-Ti)C and (Hf-Ta-Zr-Nb)C high entropy Ultra-High Temperature Ceramic (UHTC) carbide compositions were fabricated byball millingand Spark Plasma Sintering (SPS). It was ...

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Influence ofMillingMedia on the Mechanical Alloyed W-0.5
Influence ofMillingMedia on the Mechanical Alloyed W-0.5

Abstract. The effects ofmillingatmosphere and mechanical alloying (MA) duration on the effectivelattice parameter, crystallite size,latticestrain, and amorphization rate of the W-0.5 wt. Ti powders were investigated. W-0.5 wt. Ti powders were mechanically alloyed (MA’d) for 10 h and 20 h in a high energyball mill. Moreover, morphology of the powders for various MA was analyzed using ...

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Non-monotonic lattice parameter variation with crystallite
Non-monotonic lattice parameter variation with crystallite

An anomalous dependence of thelattice parameteron the crystallite size of nanocrystallineball-milled powders of metals was observed:latticecontraction followed bylatticeexpansion with ...

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Grain-size-dependent non-monotonic lattice parameter
Grain-size-dependent non-monotonic lattice parameter

The grain size dependency oflattice parameterduring high-energyball millingof W has been investigated. Thelattice parametervaries non-monotonically with grain size duringmillingwith a ...

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(PDF) Effect of Cr to Fe onthe Solid Solubility,Lattice
(PDF) Effect of Cr to Fe onthe Solid Solubility,Lattice

Effect of Cr to Feonthe Solid Solubility, Lattice Parameter and Strainof Fe 80 Cr 20 Alloy Powder ...Ball millingis conducted bymillingtime of 60 hours and ultrasonic technique were carried ...

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