Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Milan Skrobian"'
Publikováno v:
Acta Metallurgica Slovaca, Vol 20, Iss 3 (2014)
This article deals with the analysis and comparison of the conditions for solid state welding during extrusions by means of numerical simulation. Numerical simulations made on four different matrices, such as square die without integrated extrusion a
Externí odkaz:
https://doaj.org/article/d9eb043bbec04930a04afeec363c5fe7
Publikováno v:
Acta Metallurgica Slovaca, Vol 21, Iss 2 (2015)
A die setup for direct hot extrusion of extra-short aluminium alloys billets used in semi-pilot plant tests was simulated using DEFORM ™ 2D/3D software and results were compared with experiment. A die setup without welding chamber proved to shorten
Externí odkaz:
https://doaj.org/article/aac3be4f12c1412c8b7d2cd9a726bdb7
Publikováno v:
Acta Metallurgica Slovaca, Vol 21, Iss 1 (2015)
The effect of heat treatment on microstructure and mechanical properties of extruded SiC/6061 aluminium alloy matrix composite was investigated. The heat treatment (annealing at 540 °C for 1.5 hours, water quenching and artificial aging at 170 °C f
Externí odkaz:
https://doaj.org/article/f9419e76baee43bca2f1798c0e7b25b2
Publikováno v:
Acta Metallurgica Slovaca, Vol 20, Iss 4 (2014)
Nowadays aluminum alloys are strong enough to have good mechanical properties. What is their weak point is stiffness (Young modulus) that cannot be significantly improved be standard alloying elements. Carbon or carbon containing substances like sili
Externí odkaz:
https://doaj.org/article/cf534b37ea044fd2969e1fe112b91d8b
Publikováno v:
Acta Metallurgica Slovaca, Vol 20, Iss 4 (2014)
Nowadays aluminum alloys are strong enough to have good mechanical properties. What is their weak point is stiffness (Young modulus) that cannot be significantly improved be standard alloying elements. Carbon or carbon containing substances like sili
Publikováno v:
Thermochimica Acta. 255:201-209
The reaction of Y2(SO4)3 with CS2 was studied using thermogravimetry. Anhydrous yttrium sulfate Y2(SO4)3 first decomposes to Y2O2SO4 at temperatures which depend upon the heating rate, namely 550–650°C at 1 K min−1 and 550–750°C at 5 K min−
Publikováno v:
Thermochimica Acta. 249:211-219
Publikováno v:
Thermochimica Acta. 244:117-129
The possibility of sulfide synthesis by carbon reduction of neodymium sulfate was studied by the thermogravimetric technique. Anhydrous Nd 2 (SO 4 ) 3 was formed by heating Nd 2 (SO 4 ) 3 · 8H 2 O in vacuum or in air at 300°C. When Nd 2 (SO 4 ) 3 w
Publikováno v:
Journal of Alloys and Compounds. 210:291-297
The reaction to synthetize neodymium sulphides from neodymium sulphate octahydrate in a stream of carbon disulphide gas was studied. The dehydration of the octahydrate in vacuum was finished at 300 °C. At 1050–1100 °C in air neodymium oxysulphide
Autor:
Milan Skrobian
Publikováno v:
Shigen-to-Sozai. 110:869-874
Synthesis of neodymium sulfide from neodymium sulfate by carbon reduction was studied with the aim to develop a new sulfide production process which is technologically adoptable. Reduction of anhydrous neodymium sulfate Nd2 (SO4) 3 by hydrogen was fo