Near-microscopic grain boundary facilitates fatigue crack propagation in a polycrystalline Al-Zn-Mg-Cu alloy

被引：3
|
作者：
Wen, Kai [1 ,2 ,3 ]
Li, Xiwu [1 ,2 ,3 ]
Xiong, Baiqing [1 ,3 ]
Lin, Haitao [4 ]
Wen, Qinghong [4 ]
Li, Yanan [1 ,2 ,3 ]
Yan, Hongwei [1 ,2 ,3 ]
Yan, Lizhen [1 ,2 ,3 ]
Zhang, Yongan [1 ,2 ,3 ]
Li, Zhihui [1 ,3 ]
Liu, Hongwei [1 ,2 ,3 ]
机构：
[1] China GRINM Grp Co LTD, State Key Lab Nonferrous Met & Proc, Beijing 100088, Peoples R China
[2] GRIMAT Engn Inst Co LTD, Beijing 101407, Peoples R China
[3] Gen Res Inst Nonferrous Met, Beijing 100088, Peoples R China
[4] Southwest Aluminum Grp Co Ltd, Chongqing 401326, Peoples R China
来源：
PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL | 2023年 / 33卷 / 01期
关键词：
Fatigue crack propagation; Grain size; Grain boundary; Cyclic plastic zone; Al-Zn-Mg-Cu alloy; ALUMINUM; GROWTH; SIZE; PRECIPITATION;
D O I：
10.1016/j.pnsc.2022.12.006
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In present study, grain characteristics with sizes within 10 -30 mu m were fabricated from a same Al -Zn -Mg -Cu alloy, FCP behaviors of the alloys with small grain (SG alloy), medium grain (MG alloy) and large grain (LG alloy) were investigated and related fatigue fracture morphology was analyzed. With the enhancement of stress intensity factor range (.K), the alloy with larger grains possessed faster FCP rate, which were successively arranged as SG alloy > MG alloy > LG alloy at initial stage while turned to LG alloy > MG alloy > SG alloy at final stage for the stable expanding region. Except for conventional characteristics of striations, tearing ridges, secondary cracks, second phases, voids and dimples, more prominent grain boundary features appeared on fracture surface, especially for MG and LG alloy. The calculation of cyclic plastic zone (CPZ) sizes proved that grain boundary participated and promoted FCP behavior when CPZ covered grain and grain boundary together.
引用
收藏
页码：120 / 125
页数：6
相关论文
共 50 条
  • [1] Near-microscopic grain boundary facilitates fatigue crack propagation in a polycrystalline Al–Zn–Mg–Cu alloy
    Kai Wen
    Xiwu Li
    Baiqing Xiong
    Haitao Lin
    Qinghong Wen
    Yanan Li
    Hongwei Yan
    Lizhen Yan
    Yongan Zhang
    Zhihui Li
    Hongwei Liu
    Progress in Natural Science:Materials International, 2023, 33 (01) : 120 - 125
  • [2] THE EFFECT OF MICROSTRUCTURE ON THE FATIGUE CRACK-PROPAGATION BEHAVIOR OF AN AL-ZN-MG-CU ALLOY
    LINDIGKEIT, J
    GYSLER, A
    LUTJERING, G
    METALLURGICAL TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 1981, 12 (09): : 1613 - 1619
  • [3] The role of recrystallization on fatigue crack propagation of a high alloying Al-Zn-Mg-Cu alloy
    Yu, Mingyang
    Zhang, Yongan
    Li, Xiwu
    Wen, Kai
    Lin, Haitao
    Zhou, Hua
    Shi, Guohui
    Li, Zhihui
    Xiong, Baiqing
    MATERIALS LETTERS, 2022, 311
  • [4] Grain boundary segregation and precipitation in an Al-Zn-Mg-Cu alloy
    Zhao, Huan
    Gault, Baptiste
    De Geuser, Frederic
    Ponge, Dirk
    Raabe, Dierk
    17TH INTERNATIONAL CONFERENCE ON ALUMINIUM ALLOYS 2020 (ICAA17), 2020, 326
  • [5] Molybdate inhibition of environmental fatigue crack propagation in Al-Zn-Mg-Cu
    Warner, Jenifer S.
    Kim, Sangshik
    Gangloff, Richard P.
    INTERNATIONAL JOURNAL OF FATIGUE, 2009, 31 (11-12) : 1952 - 1965
  • [6] Enhanced Fatigue Crack Propagation Resistance in an Al-Zn-Mg-Cu Alloy by Retrogression and Reaging Treatment
    Chen, Xu
    Liu, Zhiyi
    Lin, Mao
    Ning, Ailin
    Zeng, Sumin
    JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE, 2012, 21 (11) : 2345 - 2353
  • [7] Enhanced Fatigue Crack Propagation Resistance in an Al-Zn-Mg-Cu Alloy by Retrogression and Reaging Treatment
    Xu Chen
    Zhiyi Liu
    Mao Lin
    Ailin Ning
    Sumin Zeng
    Journal of Materials Engineering and Performance, 2012, 21 : 2345 - 2353
  • [8] Fatigue crack propagation of an Al-Zn-Mg-Cu alloy under variable amplitude loading conditions
    Peters, JO
    Gysler, A
    Lütjering, G
    FATIGUE '99: PROCEEDINGS OF THE SEVENTH INTERNATIONAL FATIGUE CONGRESS, VOLS 1-4, 1999, : 1009 - 1014
  • [9] Effect of Microstructure on the Fatigue Crack Growth Behavior in Al-Zn-Mg-Cu Alloy
    Nandana, M. S.
    Udaya, Bhat K.
    Manjunatha, C. M.
    STRUCTURAL INTEGRITY ASSESSMENT, ICONS 2018, 2020, : 545 - 554
  • [10] THE MICROMECHANISMS OF FATIGUE CRACK-GROWTH IN A COMMERCIAL AL-ZN-MG-CU ALLOY
    NIX, KJ
    FLOWER, HM
    ACTA METALLURGICA, 1982, 30 (08): : 1549 - 1559
12345