Development of Oxide Dispersion Strengthened Nickel-base Superalloy

Kawasaki, Yozo; Kusunoki, Katsuyuki; Nakazawa, Shizuo; Yamazaki, Michio

doi:10.2355/tetsutohagane1955.75.3_529

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Alloy Development1

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1990

1991

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“…Tungsten was increased by about 3 wt% to strengthen the alloy and aluminum was decreased by about 1 wt% to improve the secondary recrystallization property. In the subsequent study by Kawasaki et al (1989), a new experimental alloy TMO-2 developed at NRIM, containing more tantalum and slightly lower aluminum than the above, has succeeded in giving higher creep strength than MA6000 over a wide temperature range. But, TMO-2 presents a density as high as 8.86g/cm 3 , since it contains a larger amount of tungsten and tantalum and a smaller amount of aluminum.…”

Section: Alloy Developmentmentioning

confidence: 99%

Development of ODS Superalloy Technology in Japan for Turbine Blade Applications

Mino

1990

Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation;

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The strength of ODS superalloys has not been so satisfactory as to attract much attention for application in turbine blades. As one of the advanced material program supported by MITI, cooperative works were undertaken to develop ODS superalloys superior to monocrystalline alloys. Mechanical properties of new ODS alloys developed in Japan were summarized to evaluate their potentials for turbine blade applications. The project tasks included isothermal forging and diffusion bonding studies for blade fabrication.

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Section: Alloy Developmentmentioning

confidence: 99%