The discovery of the γ′-Co3 (Al, W) phase with an L12 structure provided Co-base alloys
with a new strengthening mechanism, enabling a new class of high-temperature material …

We present the first report of a tungsten-free cobalt-based superalloy having a composition
Co–10Al–5Mo–2Nb. The alloy is strengthened by cuboidal precipitates of metastable Co 3 …

Superalloys constitute an important class of materials that are heavily employed in turbines
of aircraft engines and power plants. Vickers hardness is an important mechanical property …

This work discusses the effects of alloying on the coarsening behaviour of the L1 2 ordered
γ′ phase and the structure of the γ/γ′ interfaces in three Co-Al-W base superalloys aged …

The oxidation and interdiffusin behavior of NiCrAlY and sputtered nanocrystalline coatings
on a single-crystal superalloy were studied. Results indicated that the superalloy substrate …

Oxidation mechanisms in polycrystalline Co–Ni–Cr–Al–W–Ta alloys were investigated using
O 16/O 18 isotopic tracer analysis in the focused ion-beam secondary ion mass …

A new polycrystalline γ′-strengthened cobalt-base superalloy with improved oxidation
resistance up to 1100° C is presented. Based on the Co-Al-W-Ni-Cr-Ti system, the chemistry …

The high-temperature oxidation of Co-based oxide dispersion strengthened (ODS) Co-20Cr-
(5, 10) Al-2.4 Hf-1.5 Y 2 O 3 (wt%) superalloys was investigated at 900° C and 1000° C. The …

In order to study the effect of Cr and Y 2 O 3 addition on the oxidation behavior of novel Co-
20Cr-10Al (wt.%) oxide dispersion strengthened (ODS) superalloys, an isothermal oxidation …

The influence of milling time on the microstructure evolution and oxidation behavior of
NiCrAlY coatings generated by laser induction hybrid cladding was investigated …