Effect of cold spray deposition on fatigue strength of arc-welded ultra-high strength steel sheet

Naoki Yamaguchi; Tsuyoshi Shiozaki; Yoshikiyo Tamai; Kanji Okuda; Yuji Ichikawa; Kazuhiro Ogawa

doi:10.1016/j.ijfatigue.2022.106876

Effect of cold spray deposition on fatigue strength of arc-welded ultra-high strength steel sheet

Naoki Yamaguchi, Tsuyoshi Shiozaki, Yoshikiyo Tamai, Kanji Okuda, Yuji Ichikawa, Kazuhiro Ogawa

ENG - Fracture and Reliability Research Institute

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

This study investigates the effect of cold spray deposition on the fatigue property of a lap fillet arc-welded joint of ultra-high strength steel with a tensile strength grade of 980 MPa. Fatigue strength at 3 × 10⁶ cycles was improved from 275 MPa to 450 MPa by the Fe + Al₂O₃ deposition but only improved to 300 MPa with the Zn + Al₂O₃ deposition. Further investigations of the Fe + Al₂O₃ coated joints revealed that the effect of the Fe + Al₂O₃ deposition consisted of compressive residual stress, reduction of stress concentration and the fatigue strength of the deposition itself.

Original language	English
Article number	106876
Journal	International Journal of Fatigue
Volume	161
DOIs	https://doi.org/10.1016/j.ijfatigue.2022.106876
Publication status	Published - 2022 Aug

Keywords

Additive manufacturing
Cold spray
Fatigue
High strength steel
Weld joint

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10.1016/j.ijfatigue.2022.106876

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title = "Effect of cold spray deposition on fatigue strength of arc-welded ultra-high strength steel sheet",

abstract = "This study investigates the effect of cold spray deposition on the fatigue property of a lap fillet arc-welded joint of ultra-high strength steel with a tensile strength grade of 980 MPa. Fatigue strength at 3 × 106 cycles was improved from 275 MPa to 450 MPa by the Fe + Al2O3 deposition but only improved to 300 MPa with the Zn + Al2O3 deposition. Further investigations of the Fe + Al2O3 coated joints revealed that the effect of the Fe + Al2O3 deposition consisted of compressive residual stress, reduction of stress concentration and the fatigue strength of the deposition itself.",

keywords = "Additive manufacturing, Cold spray, Fatigue, High strength steel, Weld joint",

author = "Naoki Yamaguchi and Tsuyoshi Shiozaki and Yoshikiyo Tamai and Kanji Okuda and Yuji Ichikawa and Kazuhiro Ogawa",

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language = "English",

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T1 - Effect of cold spray deposition on fatigue strength of arc-welded ultra-high strength steel sheet

AU - Yamaguchi, Naoki

AU - Shiozaki, Tsuyoshi

AU - Tamai, Yoshikiyo

AU - Okuda, Kanji

AU - Ichikawa, Yuji

AU - Ogawa, Kazuhiro

PY - 2022/8

Y1 - 2022/8

N2 - This study investigates the effect of cold spray deposition on the fatigue property of a lap fillet arc-welded joint of ultra-high strength steel with a tensile strength grade of 980 MPa. Fatigue strength at 3 × 106 cycles was improved from 275 MPa to 450 MPa by the Fe + Al2O3 deposition but only improved to 300 MPa with the Zn + Al2O3 deposition. Further investigations of the Fe + Al2O3 coated joints revealed that the effect of the Fe + Al2O3 deposition consisted of compressive residual stress, reduction of stress concentration and the fatigue strength of the deposition itself.

AB - This study investigates the effect of cold spray deposition on the fatigue property of a lap fillet arc-welded joint of ultra-high strength steel with a tensile strength grade of 980 MPa. Fatigue strength at 3 × 106 cycles was improved from 275 MPa to 450 MPa by the Fe + Al2O3 deposition but only improved to 300 MPa with the Zn + Al2O3 deposition. Further investigations of the Fe + Al2O3 coated joints revealed that the effect of the Fe + Al2O3 deposition consisted of compressive residual stress, reduction of stress concentration and the fatigue strength of the deposition itself.

KW - Additive manufacturing

KW - Cold spray

KW - Fatigue

KW - High strength steel

KW - Weld joint

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JO - International Journal of Fatigue

JF - International Journal of Fatigue

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ER -

Effect of cold spray deposition on fatigue strength of arc-welded ultra-high strength steel sheet

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Keywords

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