Zobrazeno 1 - 10
of 49
pro vyhledávání: '"550"'
Publikováno v:
Surface Engineering. 15:385-390
A series of nickel diffusion treatments have been carried out on Timetal 550 titanium alloy at temperatures ranging from 650 to 900°C in order to achieve deep case hardening. Systematic characterisation of the nickel diffusion treated surface layers
Autor:
D. G. C. Robertson, H. B. McShane
Publikováno v:
Materials Science and Technology. 13:459-468
Elevated temperature true stress-true strain curves have been determined for the isothermal deformation of the (α + β) titanium alloy Ti-4Al-4Mo-2Sn-0.5Si (IMI 550) in both the β and (α + β) phase fields using hot compression testing. The flow s
Autor:
H. B. McShane, David Robertson
Publikováno v:
Materials Science and Technology. 14:339-345
High temperature flow stress data obtained from laboratory scale isothermal forging tests on two titanium alloys, IMI550 (Ti-4Al-4Mo-2Sn-0.5Si) and Ti-10V-2Fe-3Al, have been correlated using a gene...
Publikováno v:
Materials Science and Technology. 4:707-712
The effect of biaxial superplastic deformation at 900°C on ambient temperature tensile properties and texture of high strength α/β titanium alloy sheet of nominal composition Ti–4Al–4Mo–2Sn–0·5Si (IMI 550) has been examined. Superplastic
Publikováno v:
Nuclear Technology. 66:465-478
In order to estimate the influence of the helium pressure on the corrosion of ferritic and austenitic materials, tests were carried out under 2 absolute bar in a circuit without helium recirculatio...
Publikováno v:
Materials Science and Technology. 32:1899-1910
Investigations on the microstructure of low-alloy steel in the as-received condition and after 70 000 h ageing at 550 and 600°C were carried out. For the recorded images of the microstructure, a quantitative analysis of precipitates was performed. O
Publikováno v:
Materials at High Temperatures. 25:1-16
In this study, high temperature erosion-corrosion with trace amounts of added SO(2) and the role of isothermal or thermal gradient conditions are studied. The studies are focused on 304L as the model material, but results for other alloys (Alloy 625
Publikováno v:
Materials Science and Technology. 22:975-980
In the present investigation, a nickel based hardfacing alloy (AWS NiCr-B) was deposited on an austenitic stainless steel substrate 316LN using the plasma transferred arc welding process. The deposit was characterised by hardness measurements, micros
Publikováno v:
Materials Science and Technology. 18:1353-1362
Metallurgical characterisation of modified F–82H steel was carried out. Microstructural studies together with mechanical testing were conducted on the steel in the as received state and after thermal aging in the temperature range 300–600°C for
Publikováno v:
Materials at High Temperatures. 35:461-468
The evaporation of protective chromia scales is expected to be a primary oxidation mechanism. An oxidation test of austenitic steel TP347HFG in supercritical water was carried out at 550 and 600°C ...