Effect of bimodal heterostructure features on strength-ductility trade-off breaking in Inconel 718 Ni-based superalloy

A bimodal heterostructure with alternating δ phase-rich fine-grained (FG) and δ phase-lean coarse-grained (CG) regions was constructed in Inconel 718 via the selective precipitation of the δ phase, enabled by controlled Nb content and heat treatment. Compared to the homogeneous counterpart, the opti...

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Bibliografski detalji

Glavni autori:	Zihao Jiang, Nanping Yue, Junpeng Ren, Lei Zhou, Yingfei Guo, Pingwei Xu, Fei Zhao, Longxiang Wang, Yonghai Ren, Zhiguo Dong, Yu Liang
Format:	Artigo
Jezik:	Inglês
Izdano:	Elsevier 2026-03-01
Serija:	Materials & Design
Teme:	Heterostructure Strength-ductility synergy Localized cooperative failure Strain partitioning Fracture mechanism
Online pristup:	http://www.sciencedirect.com/science/article/pii/S0264127526001577
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