Formation mechanism of serrated grain boundary caused by different morphologies of γ′ precipitates in GH4742 superalloy

Authors: Qiang Tian, Wenwen Zhang, Hucheng Li, Yunlong Liu, Tonggang Lu, Jinhui Du, Xingang Liu, Kaiyao Wang

Source: Journal of Materials Research and Technology, Vol 35, Iss , Pp 4352-4367 (2025)

Subject Terms: GH4742 superalloy, γ′ precipitate, Serrated grain boundary, Fan-type γ′ structure, Cooling rates, Mining engineering. Metallurgy, TN1-997

File Description: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S2238785425003540; https://doaj.org/toc/2238-7854

Access URL: https://doaj.org/article/9dc8d366e28d49f990181aa02de977c2

Growth and dissolution behavior and morphology evolution of γ′ precipitates in GH4742 nickel-based superalloy

Authors: Qiang Tian, Wenwen Zhang, Jinhui Du, Tonggang Lu, Yunlong Liu, Xingang Liu, Hucheng Li, Kaiyao Wang

Source: Journal of Materials Research and Technology, Vol 32, Iss , Pp 4198-4211 (2024)

Subject Terms: GH4742 superalloy, γ′ precipitates, Coarsening model, Morphology evolution, Sub-solvus heat treatment, Super-solvus heat treatment, Mining engineering. Metallurgy, TN1-997

File Description: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S2238785424020349; https://doaj.org/toc/2238-7854

Access URL: https://doaj.org/article/8bf5fe75a5c14fb3a6a1f620acbd467f

Numerical simulation and experimental study of vacuum arc remelting (VAR) process for large-size GH4742 superalloy

Authors: Shulei Yang, Qiang Tian, Ping Yu, Shufeng Yang, Wei Liu, Jingshe Li

Source: Journal of Materials Research and Technology, Vol 24, Iss , Pp 2828-2838 (2023)

Subject Terms: Vacuum arc remelting, GH4742 superalloy, Numerical simulation, Freckle, Mining engineering. Metallurgy, TN1-997

File Description: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S2238785423006488; https://doaj.org/toc/2238-7854

Access URL: https://doaj.org/article/969b2adc53ee4628bb03355f8f131132

Microstructure evolution in GH4742 superalloy by combining hot deformation and heat treatment

Authors: Wenwen Zhang, Xingang Liu, Qiang Du, Ying Guo, Heyong Qin, Qiang Tian, Mengying Zhu

Source: Journal of Materials Research and Technology, Vol 23, Iss , Pp 13-35 (2023)

Subject Terms: GH4742 superalloy, Sub-solvus heat treatment, Super-solvus heat treatment, γ′ precipitates, Dynamic recrystallization, γ+γ′ duplex structures, Mining engineering. Metallurgy, TN1-997

File Description: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S2238785422020841; https://doaj.org/toc/2238-7854

Access URL: https://doaj.org/article/f30102b9d92e45589d8891fba295472b

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