The estimating formulae of nonsymmetry cycle fatigue limits for aluminium alloy smooth specimens are presented in this paper. The estimating formulae can be used for fatigue design.
提出铝合金光试样非对称循环疲劳极限的估算公式。该公式可供疲劳设计使用。
The novel design of the cooling-heating cycle unit facilitates rapid change of temperature and can provide a uniform temperature filed in the rockfill specimens.
采用了内外兼顾的温控设计思路，不仅可以使试样快速实现温度的变化，且能为试样提供均匀的温度场。
A series of experiments on mild steel was conducted to improve the design of the DCB specimens and to examine the reliability of the necking zone model.
进行了一系列对低碳钢的试验以改进试件的设计并考察颈缩区模型的合理性。
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