A comprehensive literature review on recently rediscovered Co-and/or CoNi-based
superalloys, strengthened by the γ'phase, revealed a relationship between the …

The high-temperature oxidation behaviors of Co-and CoNi-base alloys with different Ni and
Cr additions were investigated by isothermal oxidation in air at 900 and 1000° C. The …

This study indicates that the kinetic rate constants of oxidation weight gain and thickening
both increase with the increasing content of O, N and S impurities. The oxide layer of the low …

This study investigated the oxidation behaviour of a Co-based superalloy fabricated through
laser powder bed fusion at 900℃. In terms of oxidation products, the results revealed the …

The formation of multiple types of oxide scales on the specimen surface as well as along the
grain boundaries was investigated in detail in a compositionally complex polycrystalline …

The study on the individual role of yttrium (Y) and Y-related phases during scale formation
on Co-9Al-9 W (at%) and other Co-based alloys during isothermal and cyclic oxidation at …

Failure and healing behavior of oxide scales for powder metallurgy superalloy with varying
Nb contents (0, 0.5, 1, 2 wt%) during cyclic oxidation were studied. The cyclic oxidation test …

Mo element was added to cobalt-based alloy L605, and cold forging deformation was
performed. The effects of the addition and cold forging deformation on the microstructure …

Purpose This study aims to control the oxidation resistance of Co-based deformed
superalloys by adding trace elements Hf and Si. Design/methodology/approach The effects …

Due to their excellent mechanical properties, Co-based alloys are one of the main
candidates to replace Ni-based alloys in high temperature application. Knowledge about …