Additive manufactured corrosion-resistant SS316L/IN625 functionally graded multi-material in hydrofluoric acid (HF) environment

Shuyao Zhang; Hailong Dai; Yajing Li; Zhe Zhang; Sheng Chen; Meng He; Bo Zhang; Yushan Ma; Xu Chen

doi:10.1016/j.corsci.2024.111926

Additive manufactured corrosion-resistant SS316L/IN625 functionally graded multi-material in hydrofluoric acid (HF) environment

Shuyao Zhang, Hailong Dai, Yajing Li, Zhe Zhang^*, Sheng Chen, Meng He, Bo Zhang, Yushan Ma, Xu Chen

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Multi-materials were designed for the severe corrosion environment in fluorine chemical industry. Directed energy deposition with laser beam (DED-LB) was used to manufacture SS316L/IN625 multi-materials with direct combination (DC) and graded transition (GT) structures. Partial immersion tests in 40% HF solution were conducted. The corrosion rate of SS316L/IN625 multi-materials was less than 1 mm/y. However, localized galvanic corrosion was observed in the DC samples because of the sudden change in chemical composition at the interface. The GT samples effectively eliminated this issue by gradually increasing Ni, showing good economic efficiency and reliability for the multi-phase HF corrosion environment.

源语言	英语
文章编号	111926
期刊	Corrosion Science
卷	230
DOI	https://doi.org/10.1016/j.corsci.2024.111926
出版状态	已出版 - 15 4月 2024
已对外发布	是

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title = "Additive manufactured corrosion-resistant SS316L/IN625 functionally graded multi-material in hydrofluoric acid (HF) environment",

abstract = "Multi-materials were designed for the severe corrosion environment in fluorine chemical industry. Directed energy deposition with laser beam (DED-LB) was used to manufacture SS316L/IN625 multi-materials with direct combination (DC) and graded transition (GT) structures. Partial immersion tests in 40% HF solution were conducted. The corrosion rate of SS316L/IN625 multi-materials was less than 1 mm/y. However, localized galvanic corrosion was observed in the DC samples because of the sudden change in chemical composition at the interface. The GT samples effectively eliminated this issue by gradually increasing Ni, showing good economic efficiency and reliability for the multi-phase HF corrosion environment.",

keywords = "Galvanic corrosion, Hydrofluoric acid (HF), Laser beam directed energy deposition (DED-LB), Multi-material",

author = "Shuyao Zhang and Hailong Dai and Yajing Li and Zhe Zhang and Sheng Chen and Meng He and Bo Zhang and Yushan Ma and Xu Chen",

note = "Publisher Copyright: {\textcopyright} 2024 Elsevier Ltd",

year = "2024",

month = apr,

day = "15",

doi = "10.1016/j.corsci.2024.111926",

language = "English",

volume = "230",

journal = "Corrosion Science",

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TY - JOUR

T1 - Additive manufactured corrosion-resistant SS316L/IN625 functionally graded multi-material in hydrofluoric acid (HF) environment

AU - Zhang, Shuyao

AU - Dai, Hailong

AU - Li, Yajing

AU - Zhang, Zhe

AU - Chen, Sheng

AU - He, Meng

AU - Zhang, Bo

AU - Ma, Yushan

AU - Chen, Xu

PY - 2024/4/15

Y1 - 2024/4/15

N2 - Multi-materials were designed for the severe corrosion environment in fluorine chemical industry. Directed energy deposition with laser beam (DED-LB) was used to manufacture SS316L/IN625 multi-materials with direct combination (DC) and graded transition (GT) structures. Partial immersion tests in 40% HF solution were conducted. The corrosion rate of SS316L/IN625 multi-materials was less than 1 mm/y. However, localized galvanic corrosion was observed in the DC samples because of the sudden change in chemical composition at the interface. The GT samples effectively eliminated this issue by gradually increasing Ni, showing good economic efficiency and reliability for the multi-phase HF corrosion environment.

AB - Multi-materials were designed for the severe corrosion environment in fluorine chemical industry. Directed energy deposition with laser beam (DED-LB) was used to manufacture SS316L/IN625 multi-materials with direct combination (DC) and graded transition (GT) structures. Partial immersion tests in 40% HF solution were conducted. The corrosion rate of SS316L/IN625 multi-materials was less than 1 mm/y. However, localized galvanic corrosion was observed in the DC samples because of the sudden change in chemical composition at the interface. The GT samples effectively eliminated this issue by gradually increasing Ni, showing good economic efficiency and reliability for the multi-phase HF corrosion environment.

KW - Galvanic corrosion

KW - Hydrofluoric acid (HF)

KW - Laser beam directed energy deposition (DED-LB)

KW - Multi-material

UR - http://www.scopus.com/inward/record.url?scp=85185531994&partnerID=8YFLogxK

U2 - 10.1016/j.corsci.2024.111926

DO - 10.1016/j.corsci.2024.111926

M3 - Article

AN - SCOPUS:85185531994

SN - 0010-938X

VL - 230

JO - Corrosion Science

JF - Corrosion Science

M1 - 111926

ER -

Additive manufactured corrosion-resistant SS316L/IN625 functionally graded multi-material in hydrofluoric acid (HF) environment

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