In this study, Bi-Sb-Te thermoelectric materials are produced by mechanical alloying (MA) and spark ... Moreover, the combination of mechanical alloying and SPS process shows a higher hardness and density ... alloyed in the presence of argon and air atmospheres.
A mixture of elemental Co50Si50 powders was subjected to mechanical alloying (MA) at room temperature ... Consolidation of the Co50Si50 mechanically alloyed powders was performed in a spark plasma sintering ... X-ray diffraction data showed that the SPS compact produced by sintering mechanically alloyed powders
In this study, the glass-forming ability and mechanical properties of newly developed Fe-Mn-Cr-Mo-B-C-P-Si-Al ... a strong influence on the properties of the Fe-based amorphous alloys. ... bulk amorphous alloys were investigated, and metalloid elements such as B, C, and P were found to have
Changes in the microstructure and mechanical properties of as-roll-bonded AA6061/AA5052/AA1050 threelayered ... The changes in mechanical properties with increasing annealing temperature were compared with those of
The effect of the mechanical alloying of elemental Mo and Si powders on the combustion densification ... The ignition temperature of the combustion reaction of the mechanically alloyed powder was measured to ... alloyed powders, however, was found to be poorer than that of the products from the ball milled powder
A Ni-Ti-B alloy powder prepared by mechanical alloying (MA) of individual Ni, Ti, and B components is ... does not comply with the alloy composition in the ternary phase diagram, and Ti-B bonds are found to ... The formation of a TiB2 phase by annealing indicates that the mechanochemical reaction of the Ni-Ti-B alloy
A single-phase, half- Heusler allow was successfully produced by the mechanical alloying process, but ... The phase transformations during the mechanical alloying and hot consolidation process were investigated ... Thus, it is likely that the single phase produced by mechanical alloying process will show much higher
Mechanically-alloyed NiAl powder was sintered by Spark-Plasma Sintering (SPS) process. ... Densification and behavior mechanical property were determined from the experimental results and analysis
The mechanical behavior and microstructural evolution during high temperature tensile deformation of ... Inorder to obtain more precise information on the deformation mechanism, tensile specimens were rapidly ... cooling rate of more than 2000Ks−1, and were then observed by transmission electron microscopy (TEM).Mechanical
In the present work, we applied mechanical alloying(MA) technique to produce compound using a mixture ... The mechanical alloying was carried out using a Fritsch P-5 planetary mill under Ar gas atmosphere. ... The single phase has been obtained by mechanical alloying of mixture powders for 120 hrs or for 70
1980년대 후반부터 집중적으로 연구되어온 기계적 합금화 공정 기술은 이제 단순화합물 조성의 합금화공정 뿐 만아니라 기계화학적(Mechanochemical) 방법으로까지 진보되어 다양한 시스템으로의 응용기술로까지 발전하게 되었다 더욱이 최근 나노기술의 한고상 제조기술로..
The amorphization process and the thermal properties of amorphous TiCuNiAl powder during milling by mechanical ... alloying were examined by X-ray diffractometry (XRD), differential scanning calorimetry (DSC), and transmission
powders by solid-solid reaction during mechanical alloying. ... Mechanical alloying (MA) by high energy ball mill of Pure chromium Powders was carried out under the ... Cr-N amorphous alloy powders have been produced through the solid-gas reaction subjected to MA.