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Changes of Grain Sizes and Flow Stresses of AA2014 and AA6063 Aluminum Alloys at High Temperatures in Various Strain Rates
Aluminum alloys Plastic deformation Grain size True strain Compression head speed and True strain rate
2009/10/12
Changes in the grain sizes and flow stresses of AA2014 and AA6063 aluminum alloys subjected to
compression tests at high temperatures in various constant compression head speeds were investigated. Wh...
Mechanisms of Methane Decomposition over Ni Catalysts at High Temperatures
Methane decomposition Nickel catalyst Spherical alumina support
2009/8/4
Decomposition of methane over nickel catalyst supported on spherical alumina was investigated using a thermogravimetric apparatus. The reaction products were hydrogen and multi-walled carbon nanotube...
A High Strength Gold Alloy for Use at High Temperatures.
For some aerospace and automotive applications, it has been difficult to produce instrumentation for the harsh environments encountered. Problems include high temperatures, high centrifugal forces, co...
X-ray diffraction measurements in high magnetic fields and at high temperatures
x-ray diffraction magnetic field shape-memory alloy
2010/1/18
A system was developed measuring x-ray powder diffraction in high magnetic fields up to 5 T and at temperatures from 283 to 473 K. The stability of the temperature is within 1 K over 6 h. In order to ...
Survival of Escherichia coli O157:H7 in Milk Exposed to High Temperatures and High Pressure
Escherichia coli survival high temperature high pressure
2009/3/13
The objective of the present study was to determine the survival of two enterohemorrhagic Escherichia coli O157:H7 strains (no. 94 and 402) and a saprophytic E. coli 1 strain at temperatures of 55 and...
Changes of Sunflower Oil Polyenoic Fatty Acids under High Temperatures
cis-trans isomerisation polymerisation trans fatty acid conjugated linoleic acid
2014/3/10
Heat induced cis-trans isomerisation of sunflower oils depending on temperature, reaction time and original content of linoleic acid was investigated. The content of isomeric fatty acids was determine...
Mechanical Proprieties of Steel at High Temperatures
Mechanical Proprieties of Steel High Temperatures
2010/8/18
The experimental test results obtained in the study of steel mechanical proprieties variation in case of high temperatures (fire) are presented. The proprieties are referring to: Young’s modulus, E, t...