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The microstructure of sialon materials produced by self propagating high temperature synthesis.

100%

Kata D. , Lis J.

tom R. XIX, nr 4

1258-1261

The paper describes a preparation of dense sialon materials by using Self-Propagating High-Temperature Synthesis (SHS) followed by presureless sintering. The preparation route with an examination of final materials microstructure are discussed in details. The microstructures of the obtained sialons have shown dense, isotropic and fine-grain character without a presence of glass phase.

Manufacturing of Mo-Al intermetallics by SHS.

86%

Mania R.

tom R. XIX, nr 4

921-924

The self propagation high-temperature synthesis (SHS) was carried out in the equimolar powder mixture of molybdenum and aluminium. The reaction products Mo3Al8 and Mo3Al were analysed to determine chemical composition and microstructure. Density measurements using helium pycnometer permitted determination of molar fractions of molybdenum aluminides in the reaction product. Thus, the equimolar mixture of molybdenum and aluminium yielded about 23mol% Mo3Al8 and about 77mol% Mo3Al. The SHS products were densified by hot pressing (HP).