High-Cycle Fatigue Behavior of a Self-tapping Timber Screw Under Axial Tensile Loading
High-Cycle Fatigue Behavior of a Self-tapping Timber Screw Under Axial Tensile Loading
复制标题
轴向拉伸载荷下自攻木螺钉的高周疲劳行为
DOI:
10.1007/s11668-020-00863-4
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发表时间:
2020
影响因子:
1.2
通讯作者:
Sieder
中科院分区:
文献类型:
--
作者:
Niebuhr;Sieder
The high-cycle fatigue behavior of a self-tapping timber screw is examined for axial tensile loading withR= 0.1. Based on 71 fatigue tests in the finite-life and long-life regime, Wöhler curves are derived for the failure modesthread area failureandhead tear off. Comparisons with existing results of similar tests show equal behavior in the long-life regime and slight differences in the finite-life regime which cannot convincingly be attributed exclusively to either varying testing conditions or differences in the examined population. The fatigue verification according to EN 1993-1-9, detail category 50, is found to be highly conservative, whereas detail category 100 is shown to overestimate the observed fatigue behavior in the finite-life regime. Adding to existing observations on the fatigue behavior of a self-tapping screw, a first assessment of the decisiveness of geometrical and procedural differences in the screws can be made.
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DOI:
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发表时间:
2015
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2017
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1991
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Holz als Roh- und Werkstoff
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2011
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