On the origin and stability of the metastable phase in rapidly solidified Sn–Bi alloy particles embedded in Al matrix

Bhattacharya, Victoria; Yamasue, Eiji; Ishihara, Keiichi N.; Chattopadhyay, K.

doi:10.1016/j.actamat.2005.06.012

Cited by 20 publications

(11 citation statements)

References 27 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The OR is quite different from what has been observed in the melt-spun samples as well as ion-implanted specimen of Pb and Sn nanoparticles embedded in Al matrix. [5][6][7][8][9][10][11] In fact, the observed OR is distinctly different from that of the reported individual Pb and Sn nanoparticles embedded in Al. [24][25][26] Thus, it is clear that MA leads to the formation of distinctly different interface between the phases in the nanoparticles and the matrix.…”

Section: B Microstructural Characterization Of the Ball Milled Powderscontrasting

confidence: 51%

“…), various types of multiphase nanoalloy inclusions were prepared by rapid solidification processing (RSP) as well as ion implantation routes. [5][6][7][8][9][10][11][12][13] These studies conclusively reveal the role of the interface between the phases of the nanoparticles and the matrix, in governing the thermal stability and the phase transformation of the nanoinclusions. [7] Earlier studies also indicate that nanoinclusions prepared by RSP, especially melt spinning, exhibit regular shapes and proper orientation relationship (OR) with the matrix.…”

Section: Patan Yousaf Khan M Manolata Devi and Krishanu Biswasmentioning

confidence: 99%

See 1 more Smart Citation

Formation and Stability of Pb-Sn Embedded Multiphase Alloy Nanoparticles via Mechanical Alloying

Khan

Devi

Biswas

2015

Metall Mater Trans A

View full text Add to dashboard Cite

The present paper describes the preparation, characterization, and stability of Pb-Sn multiphase alloy nanoparticles embedded in Al matrix via mechanical alloying (MA). MA is a solid-state processing route, which can produce nanocrystalline phases by severely deforming the materials at high strain rate. Therefore, in order to understand the effect of the increasing interface as well as defects on the phase transformation behavior of Pb-Sn nanoparticles, Pb-Sn multiphase nanoparticles have been embedded in Al by MA. The nanoparticles have extensively been characterized using X-ray diffraction and transmission electron microscope. The characterization reveals the formation of biphasic as well as single-phase solid solution nanoparticles embedded in the matrix. The detailed microstructural and differential scanning calorimetry studies indicate that the formation of biphasic nanoparticles is due to size effect, mechanical attrition, and ballistic diffusion of Pb and Sn nanoparticles embedded in Al grains. Thermal characterization data reveal that the heating event consists of the melting peaks due to the multiphase nanoparticles and the peak positions shift to lower temperature with the increase in milling time. The role of interface structure is believed to play a prominent role in determining the phase stability of the nanoparticle. The results are discussed in the light of the existing literature.

show abstract

Section: B Microstructural Characterization Of the Ball Milled Powderscontrasting

confidence: 51%

Section: Patan Yousaf Khan M Manolata Devi and Krishanu Biswasmentioning

confidence: 99%

Formation and Stability of Pb-Sn Embedded Multiphase Alloy Nanoparticles via Mechanical Alloying

Khan

Devi

Biswas

2015

Metall Mater Trans A

View full text Add to dashboard Cite

show abstract

“…The analysis of the X-ray diffraction patterns, figure 2, for normal casting bismuth-tin-lead fusible alloys shows sharp lines of rhombohedral crystals of bismuth, bodycentered tetragonal tin, body-centered tetragonal bismuth-tin (agreeing with the results of refs. [16,17]) and hexagonal crystals of the Bi 3 Pb 7 inter-metallic compound, which agrees with the results shown by Kil-Won Moon et al [18].…”

Section: Structure and Attenuation Coefficient Of Normal Casting Bi-ssupporting

confidence: 92%

Structure, attenuation coefficients and physical properties of Bi–Pb–Sn fusible alloys

Kamal

Moharram

Farag

et al. 2006

Radiation Effects and Defects in Solids

View full text Add to dashboard Cite

Shaped fields are widely used in radiotherapy to protect critical organs and to avoid unnecessary normal tissue irradiation. The most common system for photon-beam shaping consists in a low-melting point alloy. The structure and the attenuation coefficient of normally casted Bi-Pb-Sn fusible alloys have been investigated. These normal casting fusible alloys have an adequate half-value layer and attenuation coefficient, as compared to lead metal. Also some physical properties of quenched Bi-Pb-Sn alloys have been studied and analyzed. These Bi-Sn-Pb quenched alloys have better mechanical properties, such as a high elastic modulus and hardness and a lower melting point. These advantages make Bi-Pb-Sn fusible alloys very important for radiotherapy shielding blocks and industrial applications with a reduced quantity of lead.

show abstract

“…Often sizes play an important role in determining the phases that evolve. Fairly large numbers of reports are now available dealing with alloying at nanoscale [2][3][4][5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Structure evolution and phase change in Ag–5.1at.% Bi alloy during mechanical alloying

2011

Self Cite

View full text Add to dashboard Cite

On the origin and stability of the metastable phase in rapidly solidified Sn–Bi alloy particles embedded in Al matrix

Cited by 20 publications

References 27 publications

Formation and Stability of Pb-Sn Embedded Multiphase Alloy Nanoparticles via Mechanical Alloying

Formation and Stability of Pb-Sn Embedded Multiphase Alloy Nanoparticles via Mechanical Alloying

Structure, attenuation coefficients and physical properties of Bi–Pb–Sn fusible alloys

Structure evolution and phase change in Ag–5.1at.% Bi alloy during mechanical alloying

Contact Info

Product

Resources

About