نتایج جستجو برای: hot extrusion
تعداد نتایج: 90977 فیلتر نتایج به سال:
To elucidate the effect of extrusion ratio in hot-extrusion on deformation behavior during compression Mg97Zn1Y2 alloy containing about 25-vol% long-period stacking ordered phase (LPSO) HCP structured ? matrix (?Mg), situ neutron diffraction measurements were performed under compressive loading using four types samples: as-cast and after hot at 623 K with ratios 5.0, 7.5 12.5. The macroscopic y...
Aluminum-based alloy composites with high strength and low density can be used in corrosive environments. In this research, the nano-powders of A16061 alloy and A16061/TiB2 composite were synthesized by mechanical alloying (MA) method. Then, A16061 /TiB2 nano-composite bulk samples were prepared at laboratory scale by hot extrusion approach. Transmission electron microscopy (TEM) and X-ray diff...
In present times, the pelletization technologies are giving much attention as they represent an efficient pathway for manufacture of new drug delivery system .It has good advantage over the conventional dosage form. Pelletization technique help in the formation of spherical beads or pellets having a diameter 0.5 -1.5 mm which can be eventually coated for preparation of modified release dosage f...
Due to their lightness and good mechanical properties various Al-alloy products obtained by casting, rolling and hot extrusion are still gaining in importance. Hot extrusion of Al-alloys (Figure 1.a) enables the production of a very varied range of profi le shapes, which, due to the above mentioned excellent properties are used mainly in the automotive and electro-industries, in aeronautics, in...
Fortified rice holds great potential for bringing essential micronutrients to a large part of the world population. The present study quantified the losses of three different micronutrients (vitamin A, iron, zinc) in fortified rice that were produced using three different techniques (hot extrusion, cold extrusion, and coating) and stored at two different environments (25 ± 5 °C at a humidity of...
The purpose of the study was to increase the dissolution and bioavailability of BCS class II drug, paliperidone by amorphization. The technique that was evaluated for preparing amorphous paliperidone (PAL) was Hot Melt Extrusion (HME). In case of hot melt extrusion process, copovidone was used essentially as a hydrophilic polymer with plasticizers like PEG (6000 and 20000), stearic acid and cet...
Abstract The present review paper would celebrate the 25 years anniversary of ESAFORM association by summarizing studies performed delegates conference series within mini-symposium “Extrusion and Drawing” papers published in International Journal Material Forming same fields. 160 analyzed have been divided four main categories corresponding to chapters (Hot Metal Extrusion, Cold Polymer Extrusi...
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