欢迎莅临钢铁研究总院功能材料研究所 关键词：LZ250钢；微动疲劳；疲劳寿命；应力幅值 [gap=1770]Key words:LZ50 steel; fretting fatigue; fatigue life; stress amplitude
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固体力学专业词汇英语翻译 ... 交变应力 alternating stre 应力幅值 stre amplitude 应变疲劳 strain fatigue ...
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Fatigue curve was fitted by the relationship between stress amplitude of steel bar and fatigue life of RC beams strengthened with advanced glass-fiber composites, and the fatigue limit value of the strengthened RC beam is deduced by the curve.
2.本文通过加固梁的钢筋应力幅值与疲劳寿命的关系,拟合出疲劳曲线,并且由疲劳曲线得到了加固梁的疲劳极限值。
参考来源 - 高强复合玻璃纤维加固钢筋混凝土梁疲劳性能试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
着重研究了不同循环历史对后面循环稳定应力幅值的影响。
The authors have especially investigated the effect of different cyclic history on the amplitudes of stabilized stresses.
结果表明预应力辊内、外表面处的应力幅值有了较大的降低。
The results illustrate that the values of stress at both inside and outside surfaces of prestressed pull-straightening roller are much lower.
对试验结果进行分析可得：动应力幅值对试样的轴向动应变影响显著；
The results show that the dynamic stress level has strong effect on dynamic axial strain.
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