Investigation of the characteristics of the nanocrystalline Ni3Al-based alloy fabricated by hot pressing and sintering
作者： Masoud Nazarian-Samani , Ali Reza Kamali
DOI: 10.1016/J.JALLCOM.2009.11.182
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摘要: Abstract The characteristics of specimens produced from a Ni 3 Al-based alloy using four different routes were investigated and trends during consolidation mechanically alloyed (MA-ed) powders characterized analyzed microstructural observations; measurement long-range order (LRO) parameter, micro-strain, grain size; as well determination microhardness density. In addition, the compressive yield strength ductility two series at temperatures determined. It was observed that hot pressing (HP) led to best conditions. high pressure cold (CP)/sintering caused consolidated improve. all specimens, nature nanocrystalline remained unchanged disordered MA-ed ordered consolidation. in both anomalously increased with temperature by up 600 °C, which later decreased beyond this critical temperature.
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