Mechanical milling of magnesium powder

Hwang, Steve; Nishimura, Chikashi; Mccormick, Paul

doi:10.1016/s0921-5093(01)01767-1

Cited by 68 publications

(48 citation statements)

References 23 publications

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“…They are much smaller than those for B4H9-5 indicating the effectiveness of prolonged milling time on the Mg nanograin refinement. The bimodality of the Mg nanograin size distribution is explicable on the basis of the results on the ball milling of Mg powder reported by Hwang et al [16] who showed that enhanced recovery occurs easily during ball milling of Mg leading to the coarsening of Mg nanograins within the powder particles. Fig.…”

Section: Discussionmentioning

confidence: 96%

Application of controlled and electrical discharge assisted mechanical alloying for the synthesis of nanocrystalline MgB2 superconducting compound

Varin

Chiu

et al. 2004

Journal of Alloys and Compounds

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Section: Discussionmentioning

confidence: 96%

Application of controlled and electrical discharge assisted mechanical alloying for the synthesis of nanocrystalline MgB2 superconducting compound

Varin

Chiu

et al. 2004

Journal of Alloys and Compounds

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“…Mechanical alloying (MA) is now recognized as a versatile process for the fabrication of a broad range of nanocrystalline powders. These powders include ODS alloys [198], amorphous alloys [202,203], nanocrystalline metals/alloys [204][205][206][207][208][209][210][211][212][213] and supersaturated solid solution [214,215]. The disadvantage of ball-milling for making nanocrystalline powders is the contamination of products from the milling media (balls and vial) and atmosphere.…”

Section: Solid Route 331 Mechanical Alloying/millingmentioning

confidence: 99%

Nanocrystalline materials and coatings

Tjong

Chen

2004

Materials Science and Engineering: R: Reports

835

345

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In recent years, near-nano (submicron) and nanostructured materials have attracted increasingly more attention from the materials community. Nanocrystalline materials are characterized by a microstructural length or grain size of up to about 100 nm. Materials having grain size of $0.1 to 0.3 mm are classified as submicron materials. Nanocrystalline materials exhibit various shapes or forms, and possess unique chemical, physical or mechanical properties. When the grain size is below a critical value ($10-20 nm), more than 50 vol.% of atoms is associated with grain boundaries or interfacial boundaries. In this respect, dislocation pile-ups cannot form, and the Hall-Petch relationship for conventional coarse-grained materials is no longer valid. Therefore, grain boundaries play a major role in the deformation of nanocrystalline materials. Nanocrystalline materials exhibit creep and super plasticity at lower temperatures than conventional micro-grained counterparts. Similarly, plastic deformation of nanocrystalline coatings is considered to be associated with grain boundary sliding assisted by grain boundary diffusion or rotation. In this review paper, current developments in fabrication, microstructure, physical and mechanical properties of nanocrystalline materials and coatings will be addressed. Particular attention is paid to the properties of transition metal nitride nanocrystalline films formed by ion beam assisted deposition process. #

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“…6 and Table 2). Especially after 100 h the calculated Mg grain size is on the order of 86 nm ( [30]. They showed that enhanced recovery occurred easily during ball milling of Mg leading to the coarsening of Mg nanograins within the powder particles.…”

Section: Microstructural Evolution and Formation Of β-Mgh 2 Upon Millingmentioning

confidence: 99%

Environmental degradation by hydrolysis of nanostructured β-MgH2 hydride synthesized by controlled reactive mechanical milling (CRMM) of Mg

Varin

Całka

2004

Journal of Alloys and Compounds

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Mechanical milling of magnesium powder

Cited by 68 publications

References 23 publications

Application of controlled and electrical discharge assisted mechanical alloying for the synthesis of nanocrystalline MgB2 superconducting compound

Application of controlled and electrical discharge assisted mechanical alloying for the synthesis of nanocrystalline MgB2 superconducting compound

Nanocrystalline materials and coatings

Environmental degradation by hydrolysis of nanostructured β-MgH2 hydride synthesized by controlled reactive mechanical milling (CRMM) of Mg

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