钛合金薄壁板干涉强化孔边距工艺研究

Fan Zhang; Zengqiang Cao; Xiaona Yang; Chang Chen; Tingting Qiao; Jiwei Qiu

doi:10.16579/j.issn.1001.9669.2017.06.029

钛合金薄壁板干涉强化孔边距工艺研究

Translated title of the contribution: Process research of edge distance on an interference-fit strengthening technique of titanium alloy sheet

Fan Zhang, Zengqiang Cao, Xiaona Yang, Chang Chen, Tingting Qiao, Jiwei Qiu

School of Astronautics

Northwestern Polytechnical University Xian

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

Abstract

To solve the optimization problem of edge distance in titanium alloy sheet during a new aircraft development stage, a three dimensional FE model was built on ABAQUS platfom. The effect of edge distance on residual stress distribution was analysised with TC4 titanium alloy by interference-fit strengthening technique under cylic loading. The study indicates that a considerble reduction of fatigue life is found with a lower egde distance ratio(L/D), also, the location of fatigue damage is moving against the hole. Fatigue damage happens in the margin part with edge distance ratio(L/D) less than 2.

Translated title of the contribution	Process research of edge distance on an interference-fit strengthening technique of titanium alloy sheet
Original language	Chinese (Traditional)
Pages (from-to)	1432-1437
Number of pages	6
Journal	Jixie Qiangdu/Journal of Mechanical Strength
Volume	39
Issue number	6
DOIs	https://doi.org/10.16579/j.issn.1001.9669.2017.06.029
State	Published - 15 Dec 2017

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title = "钛合金薄壁板干涉强化孔边距工艺研究",

abstract = "To solve the optimization problem of edge distance in titanium alloy sheet during a new aircraft development stage, a three dimensional FE model was built on ABAQUS platfom. The effect of edge distance on residual stress distribution was analysised with TC4 titanium alloy by interference-fit strengthening technique under cylic loading. The study indicates that a considerble reduction of fatigue life is found with a lower egde distance ratio(L/D), also, the location of fatigue damage is moving against the hole. Fatigue damage happens in the margin part with edge distance ratio(L/D) less than 2.",

keywords = "Edge distance, Fatigue life, Finite element method, Interference-fit strengthening, Titanium",

author = "Fan Zhang and Zengqiang Cao and Xiaona Yang and Chang Chen and Tingting Qiao and Jiwei Qiu",

year = "2017",

month = dec,

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doi = "10.16579/j.issn.1001.9669.2017.06.029",

language = "繁体中文",

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T1 - 钛合金薄壁板干涉强化孔边距工艺研究

AU - Zhang, Fan

AU - Cao, Zengqiang

AU - Yang, Xiaona

AU - Chen, Chang

AU - Qiao, Tingting

AU - Qiu, Jiwei

PY - 2017/12/15

Y1 - 2017/12/15

N2 - To solve the optimization problem of edge distance in titanium alloy sheet during a new aircraft development stage, a three dimensional FE model was built on ABAQUS platfom. The effect of edge distance on residual stress distribution was analysised with TC4 titanium alloy by interference-fit strengthening technique under cylic loading. The study indicates that a considerble reduction of fatigue life is found with a lower egde distance ratio(L/D), also, the location of fatigue damage is moving against the hole. Fatigue damage happens in the margin part with edge distance ratio(L/D) less than 2.

AB - To solve the optimization problem of edge distance in titanium alloy sheet during a new aircraft development stage, a three dimensional FE model was built on ABAQUS platfom. The effect of edge distance on residual stress distribution was analysised with TC4 titanium alloy by interference-fit strengthening technique under cylic loading. The study indicates that a considerble reduction of fatigue life is found with a lower egde distance ratio(L/D), also, the location of fatigue damage is moving against the hole. Fatigue damage happens in the margin part with edge distance ratio(L/D) less than 2.

KW - Edge distance

KW - Fatigue life

KW - Finite element method

KW - Interference-fit strengthening

KW - Titanium

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JF - Jixie Qiangdu/Journal of Mechanical Strength

IS - 6

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钛合金薄壁板干涉强化孔边距工艺研究

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