Fretting fatigue on thread root of premium threaded connections

Yosuke Oku; Masaaki Sugino; Yoshinori Ando; Taizo Makino; Ryosuke Komoda; Daisuke Takazaki; Masanobu Kubota

doi:10.1016/j.triboint.2016.10.021

Fretting fatigue on thread root of premium threaded connections

Yosuke Oku, Masaaki Sugino, Yoshinori Ando, Taizo Makino, Ryosuke Komoda, Daisuke Takazaki, Masanobu Kubota

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

34 Citations (Scopus)

Abstract

Identification of the fatigue failure mode of the premium threaded connection for Oil Country Tubular Goods pipes was conducted via full-scale fatigue tests. A through-wall crack was found at the imperfect thread root of the male embodiment, but the crack initiation site depended on the stress level. At relatively higher stress amplitude region, the crack originated from the thread rounded corner by stress concentration. At relatively lower stress amplitude region, the crack originated at the middle of the thread root because of fretting fatigue. To investigate the fretting fatigue mechanism in the threaded connection, a fundamental fretting fatigue test was conducted. This test achieved the fretting fatigue failure at the middle of the contact surface under large gross slip condition.

Original language	English
Pages (from-to)	111-120
Number of pages	10
Journal	Tribology International
Volume	108
DOIs	https://doi.org/10.1016/j.triboint.2016.10.021
Publication status	Published - 2017

All Science Journal Classification (ASJC) codes

Mechanics of Materials
Mechanical Engineering
Surfaces and Interfaces
Surfaces, Coatings and Films

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10.1016/j.triboint.2016.10.021

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title = "Fretting fatigue on thread root of premium threaded connections",

abstract = "Identification of the fatigue failure mode of the premium threaded connection for Oil Country Tubular Goods pipes was conducted via full-scale fatigue tests. A through-wall crack was found at the imperfect thread root of the male embodiment, but the crack initiation site depended on the stress level. At relatively higher stress amplitude region, the crack originated from the thread rounded corner by stress concentration. At relatively lower stress amplitude region, the crack originated at the middle of the thread root because of fretting fatigue. To investigate the fretting fatigue mechanism in the threaded connection, a fundamental fretting fatigue test was conducted. This test achieved the fretting fatigue failure at the middle of the contact surface under large gross slip condition.",

author = "Yosuke Oku and Masaaki Sugino and Yoshinori Ando and Taizo Makino and Ryosuke Komoda and Daisuke Takazaki and Masanobu Kubota",

year = "2017",

doi = "10.1016/j.triboint.2016.10.021",

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T1 - Fretting fatigue on thread root of premium threaded connections

AU - Oku, Yosuke

AU - Sugino, Masaaki

AU - Ando, Yoshinori

AU - Makino, Taizo

AU - Komoda, Ryosuke

AU - Takazaki, Daisuke

AU - Kubota, Masanobu

PY - 2017

Y1 - 2017

N2 - Identification of the fatigue failure mode of the premium threaded connection for Oil Country Tubular Goods pipes was conducted via full-scale fatigue tests. A through-wall crack was found at the imperfect thread root of the male embodiment, but the crack initiation site depended on the stress level. At relatively higher stress amplitude region, the crack originated from the thread rounded corner by stress concentration. At relatively lower stress amplitude region, the crack originated at the middle of the thread root because of fretting fatigue. To investigate the fretting fatigue mechanism in the threaded connection, a fundamental fretting fatigue test was conducted. This test achieved the fretting fatigue failure at the middle of the contact surface under large gross slip condition.

AB - Identification of the fatigue failure mode of the premium threaded connection for Oil Country Tubular Goods pipes was conducted via full-scale fatigue tests. A through-wall crack was found at the imperfect thread root of the male embodiment, but the crack initiation site depended on the stress level. At relatively higher stress amplitude region, the crack originated from the thread rounded corner by stress concentration. At relatively lower stress amplitude region, the crack originated at the middle of the thread root because of fretting fatigue. To investigate the fretting fatigue mechanism in the threaded connection, a fundamental fretting fatigue test was conducted. This test achieved the fretting fatigue failure at the middle of the contact surface under large gross slip condition.

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DO - 10.1016/j.triboint.2016.10.021

M3 - Article

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SN - 0301-679X

VL - 108

SP - 111

EP - 120

JO - Tribology International

JF - Tribology International

ER -

Fretting fatigue on thread root of premium threaded connections

Abstract

All Science Journal Classification (ASJC) codes

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