63 research outputs found
Blown-powder direct-energy-deposition of titanium-diboride-strengthened IN718 Ni-base superalloy
Precipitation behaviour and mechanical properties of a novel AlMoTaTi complex concentrated alloy
The nitrocarburising response of low temperature bainite steel
The nitrocarburising response of low transformation temperature ultrafine and nanoscale bainitic steel was investigated and compared with martensite and pearlite from the same steel composition. It was found that the retained austenite content of the bainitic steel dictated the core hardness after nitrocarburising. The refined bainitic structure showed improvements in the nitriding depth and hardness of the nitrocarburised layer, compared to coarser grained martensitic and pearlitic structures, possibly due to the fine structure and the distribution of nitride forming elements
Influence of cooling rate on the precipitation kinetics of nanoscale isothermal ω-phase in metastable β-Ti alloy, Ti–5Al–5Mo–5V–3Cr
The Nitrocarburising Response of Low Temperature Bainite Steel
The nitrocarburising response of low transformation temperature ultrafine and nanoscale bainitic steel was investigated and compared with martensite and pearlite from the same steel composition. It was found that the retained austenite content of the bainitic steel dictated the core hardness after nitrocarburising. The refined bainitic structure showed improvements in the nitriding depth and hardness of the nitrocarburised layer, compared to coarser grained martensitic and pearlitic structures, possibly due to the fine structure and the distribution of nitride forming elements
Nitrocarburising and low-temperature chromising duplex surface treatment
A new duplex surface engineering process has been developed that involves the deposition of chromium on ferritic nitrocarburised steel surfaces at low temperatures. This process formed a thin and hard chromium carbonitride surface layer and is to be applied to hardened tooling used in metal forming operations for improved wear performance and die life
- …