Study of Fatigue Crack Initiation and the Propagation Mechanism Induced by Pores in a Powder Metallurgy Nickel-Based FGH96 Superalloy

Study of Fatigue Crack Initiation and the Propagation Mechanism Induced by Pores in a Powder Metallurgy Nickel-Based FGH96 Superalloy

Thermally induced pores (TIPs) are generally the source of fatigue crack initiation in the powder metallurgy (PM) Ni-based FGH96 superalloy. The effect of TIPs on fatigue crack initiation on the surface of the FGH96 superalloy was detected using scanning electron microscopy (SEM). The cause of fatig...

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Bibliographic Details
Main Authors: Shuang Yi, Shichao Zhang, Denghui Wang, Jianxing Mao, Zheng Zhang, Dianyin Hu
Format: Article
Language:English
Published: MDPI AG 2024-03-01
Series:Materials
Subjects:
FGH96 superalloy
thermally induced pores
fatigue crack initiation and propagation
crack deflection
Online Access:https://www.mdpi.com/1996-1944/17/6/1356

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