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1)  nearly constant strain rate loading
近似恒应变率加载
2)  approximate constant strain rate
近似恒应变率
3)  constant strain rate loading
恒应变率加载
4)  constant strain-rate
恒应变率
1.
For brittle material testing, the governing equation of input waveform for attaining constant strain-rate loading is given.
给出了测试脆性材料时实现恒应变率加载的加载条件。
2.
In this paper, the temperature specturms of relaxation-modulus for PMMA are given by dynamic and static experiments under constant strain-rates.
通过动态实验和准静态实验测得了恒应变率下3~#航空有机玻璃(PMMA)在一定温度范围内的割线模量与温度的关系。
3.
The loading technique for constant strain-rate experiment with split Hopkinsong pressure bar is discussed.
本文讨论了分离式霍普金森压杆(SHPB)实验的恒应变率加载技术,提出了一种恒应变率加载波形设计方法,可应用于一般的工程材料恒应变率实验,从而完善了较早被提出的仅适用于弹脆性材料、理想弹塑性材料及软体材料的恒应变率加载波形设计技术。
5)  constant strain rate
恒应变率
1.
Investigation of experimental method to obtain constant strain rate of specimen in SHPB;
SHPB系统试件恒应变率加载实验方法研究
2.
But some problems such as non-uniform dynamic stress in a specimen and non-constant strain rate during the experiment may arise if the technique isn t modified.
用改进的霍普金森杆技术得到了聚氨脂泡沫塑料在动态应力均匀和恒应变率条件下的实验结果。
3.
Pulse shaping is employed in SHPB experiments to ensure the specimen deforms at a nearly constant strain rate under dynamically equilibrated stress, which are not commonly satisfied in the conventional SHPB experiments.
这一技术主要用于解决在常规霍普金森压杆实验中普遍存在的试件应力不均匀性和试件材料非恒应变率变形问题。
6)  loading with constant strain rate
等应变率加载
1.
On the basis of the fractional calculus operator theory,the stress-strain relation of soft soil under the condition of loading with constant strain rate is proposed.
利用分数阶微积分理论提出等应变率加载情况下的软土应力–应变关系。
补充资料:恒应变试验
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性质:测试应力腐蚀破裂性能的一种方法。用机械手段将试样弯至预定形态如U形、C形、弯梁形等,用卡具保持恒定变形。在试验溶液(也可以是标准溶液,如沸腾氯化镁)中浸泡后,用金相显微镜检查裂纹的生成及形态。其优点是简单易行,缺点是裂纹产生后会引起应力松弛。此外,在确定最初出现裂纹的时间时,需要经常定期将试件从溶液中取出观察。

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