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Journal of Materials Engineering and Performance

Erschienen in:

01.04.2013

Field-Activated, Pressure-Assisted Synthesis of Ultra-hard, Super-Abrasive AlMgB₁₄

verfasst von: Wen Liu, Yin-tao Wu, Shu-hong Mao, Rui-li Pan, Jing Zhang, Tie-ming Zhang

Erschienen in: Journal of Materials Engineering and Performance | Ausgabe 4/2013

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Abstract

Mechanical alloying (MA) and the field-activated and pressure-assisted in situ synthesis (FAPAS) were combined to prepare the ultra-hard and super-abrasive AlMgB₁₄ with the characteristics of fast heating-up, high efficiency, and low energy cost. Such preparations using the elemental constituents, such as Al, Mg, and B, were performed at a vacuum annealed temperature of 1500 °C under a pressure of 60 MPa. The resultant ceramics were characterized by SEM, EDS, and XRD. It was shown that the samples contained uniform AlMgB₁₄, and the maximum hardness on the sample surface may reach 32.5 GPa. Furthermore, a second experiment was performed, in which MgH₂ was used as one of the starting materials instead of elemental Mg, but this approach did not produce AlMgB₁₄.

Vorheriger Artikel Improving the Deformation Uniformity and Minimizing the Inner Surface Roughness in Rectangular Tube Drawing Process

Nächster Artikel Development of Process Maps in Two-Wire Tandem Submerged Arc Welding Process of HSLA Steel

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Titel: Field-Activated, Pressure-Assisted Synthesis of Ultra-hard, Super-Abrasive AlMgB14
verfasst von: Wen Liu
Yin-tao Wu
Shu-hong Mao
Rui-li Pan
Jing Zhang
Tie-ming Zhang
Publikationsdatum: 01.04.2013
Verlag: Springer US
Erschienen in: Journal of Materials Engineering and Performance / Ausgabe 4/2013
Print ISSN: 1059-9495
Elektronische ISSN: 1544-1024
DOI: https://doi.org/10.1007/s11665-012-0370-5

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