High-Temperature Low-Cycle Fatigue Behavior in HAYNES 282: Influence of Initial Microstructure

Barat, K and Ghosh, M and Sivaprasad, S and Kar, S K and Tarafder, S (2018) High-Temperature Low-Cycle Fatigue Behavior in HAYNES 282: Influence of Initial Microstructure. Metallurgical And Materials Transactions A-Physical Metallurgy And Materials Science, 49(10) (IF-1.985). pp. 5211-5226.

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Abstract

We present the low-cycle fatigue behavior of a new nickel-based superalloy in the temperature range of 650 °C to 760 °C. Two initial microstructures having different precipitate distribution has been chosen for this. Low-cycle fatigue behavior of these two microstructures has been characterized using mechanical parameters. These parameters include cyclic anisotropy, plastic strain accumulation and back stress evolution. The deformation response has been substantiated by detailed electron microscopy studies. A deformation mechanism map illustrating defect activity at various testing conditions has been constructed based on the microscopy results.

Item Type:Article
Official URL/DOI:https://doi.org/10.1007/s11661-018-4760-7
Uncontrolled Keywords:cyclic anisotropy;nickel-based superalloy;microstructures;electron microscopy
Divisions:Material Science and Technology
ID Code:7756
Deposited By:Sahu A K
Deposited On:20 Sep 2019 14:46
Last Modified:20 Sep 2019 14:46
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