Fatigue life prediction under variable amplitude axial-torsion loading using maximum damage parameter range method - 文章详情页

作者：

Chen, Hong (Chen, Hong.) | Shang, De-Guang (Shang, De-Guang.) (学者：尚德广) | Tian, Yu-Jie (Tian, Yu-Jie.) | Liu, Jian-Zhong (Liu, Jian-Zhong.)

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EI Scopus SCIE

摘要：

This　article　deals　with　the　problem　of　multiaxial　fatigue　life　assessment　under　variable　amplitude　axial　torsion　loading.　A　maximum　damage　parameter　range　(MDPR)　reversal　counting　method　is　proposed　to　predict　fatigue　life　under　variable　amplitude　multiaxial　loading.　First,　a　multiaxial　fatigue　damage　parameter　is　selected　for　a　given　multiaxial　loading　time　history.　Then,　a　damage　parameter　range　time　history　can　be　calculated.　Finally,　based　on　the　MDPR　method,　fatigue　life　can　be　predicted　by　correlating　with　multiaxial　fatigue　damage　model　and　the　Miner-Palmgren　damage　rule.　The　proposed　method　is　evaluated　with　experimental　data　of　the　7050-T7451　aluminum　alloy　and　En15R　steel　under　variable　amplitude　multiaxial　loading.　The　results　demonstrated　that　the　proposed　method　can　provide　satisfactory　prediction.　2013.　(C).Elsevier　Ltd.　All　rights　reserved.

关键词：

Cycle counting Fatigue damage Life prediction Multiaxial fatigue Variable amplitude multiaxial loading

作者机构：

[ 1 ] [Chen, Hong]Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Beijing 100124, Peoples R China
[ 2 ] [Shang, De-Guang]Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Beijing 100124, Peoples R China
[ 3 ] [Tian, Yu-Jie]Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Beijing 100124, Peoples R China
[ 4 ] [Liu, Jian-Zhong]Beijing Inst Aeronaut Mat, Beijing 100095, Peoples R China

通讯作者信息：

尚德广
[Shang, De-Guang]Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Beijing 100124, Peoples R China

电子邮件地址：

shangdg@bjut.edu.cn

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