Crack Initiation in Ni|Based Single Crystal Superalloy under ...

Cyclic Dwell Fatigue Behavior of Single Crystal Ni-base Superalloys ...

D fatigue tests: a) fracture surface with multiple crack initiation sites ... Oxidation cracking would be more likely to occur under higher tensile stresses by ...

Causes analysis on cracks in nickel-based single crystal supe..|INIS

Highlights: • Nickel-based single crystal superalloy samples were fabricated through laser powder deposition. • Large misorientation angle played ...

In Situ Imaging of High Cycle Fatigue Crack Growth in Single Crystal ...

Components fabricated from single crystal nickel-base superalloys are critical structural elements within the hot sections of gas turbines for aircraft ...

Creep-Fatigue Interaction on Small Crack Propagation in a Single ...

This study investigated the small crack propagation behavior in single crystal Ni-based superalloy under the in-phase TMF loading cycle. The creep-fatigue ...

Effect of Crystal Orientation on Cyclic Plastic Behaviors ... - IOPscience

single crystal nickel-based superalloy were studied. ... Investigation of small fatigue crack initiation and growth behaviour of nickel base superalloy GH4169 [J] ...

Thermomechanical fatigue crack formation in a single crystal Ni ...

This research establishes a physics-based life determination model for the second generation single crystal superalloy PWA 1484 experiencing out-of-phase ...

Initiation and growth of small fatigue cracks in a Ni-base superalloy

... crack growth was reasonably close to that of large cracks tested under closure-free conditions. However, short-crack growth rates varied ...

Effects of secondary orientation on fatigue crack initiation in a single ...

A crystal plasticity finite element model is used to predict the cyclic plastic behavior of nickel‐based single crystal superalloy. The slip line distributions, ...

Strain accumulation and fatigue crack initiation at pores and ... - Scilit

NI-BASED SINGLE CRYSTAL SUPERALLOY · PORES & CARBIDES · STRAIN LOCALISATION · FATIGUE CRACK INITIATION · DIGITAL IMAGE CORRELATION. Funding Information. EPSRC ( ...

Fatigue Crack Growth Behavior of Nickel-base Superalloy Haynes ...

The fatigue crack growth rates for nickel-based superalloy Haynes 282 were measured at temperatures of. 550, 650, and 750 °C using compact ...