Boundary liquation and interface cracking characterization in laser deposition of Inconel 738 on directionally solidified Ni-based superalloy

By M. Zhong, Hongqing Sun, Wenjin Liu, Xiaofeng Zhu, Jinjiang He. 2005

233 citations recorded by the source corpus.

Subfields: Aerospace Engineering, Mechanical Engineering

View Paper: https://www.semanticscholar.org/paper/dfeb5c723b1c9b07f3e78558438e7feeeda16316

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Aerospace Engineering

1. T. DebRoy
2. T. Mukherjee
3. H. Wei
4. J. Elmer
5. Amitava De
6. Moataz M. Attallah
7. R. Reed
8. J. Milewski

In Mechanical Engineering

1. T. DebRoy
2. T. Mukherjee
3. H. Wei
4. Amitava De
5. J. Elmer
6. Wei Zhang
7. J. Zuback
8. J. Milewski

Citations in the corpus

• Reduction of micro-cracking in nickel superalloys processed by Selective Laser Melting: A fundamental alloy design approach (2015, background): “This solid phase fracturing will be referred to as ‘hot cracking’, and is not to be confused with solidification/liquation cracking which is as a result of low melting eutectic phase or liquid film at the grain boundary [3].”
• Atomic-scale grain boundary engineering to overcome hot-cracking in additively-manufactured superalloys (2019, unknown): “as IN738 [3–5], CMSX-4 [6], CM247LC [7] among others [8,9].”
• Process defects and in situ monitoring methods in metal powder bed fusion: a review (2017, unknown): “The different material-dependent mechanisms for which cracks may originate in PBF were studied by different authors (Carter et al., 2014; Harrison et al., 2015; Zhong et al., 2005; Dye et al., 2001).”
• Additive manufacturing of metallic components – Process, structure and properties (2018, background): “Inconel 738 DED-L AD c0 + c, eutectic on the grain boundary [674] PFB-L AD Small carbide precipitates [383] HIP (1180 C/4 h), 1120 C/2 h, 850 C/20 h Duplex-size c0 in c-matrix”
• Laser Powder Bed Fabrication of Nickel‐Base Superalloys: Influence of Parameters; Characterisation, Quantification and Mitigation of Cracking (2012, background): “The issue of cracking is typically not addressed as much of this research deals with the more easily processed materials of Inconel 718 [21-23] and Inconel 738 [23-25], which”
• Defect inspection technologies for additive manufacturing (2021, background): “The cracking phenomenon in selective laser melted parts: (a) apparent liquation cracking in the DS substrate and liquation penetration into the Inconel 738 deposition layer; (b) liquation cracking in the DS substrate but crack penetration into the Inconel 738 deposition layer without liquation; (c) ”
• Additive manufacturing of Ni-based superalloys: The outstanding issues (2016, unknown): “to the surface, is undesirable (especially tensile residual stress), as it reduces the effective fatigue and tensile properties when forms near surface and may distort the final geometry (12, 14, 15); induces cracks (12, 13, 16).”