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1)  necking [英]['nekiŋ]  [美]['nɛkɪŋ]
颈缩
1.
Analysis of necking under condition of uniaxial tension of low-carbon steel specimen based on gradient-dependent plasticity;
基于梯度塑性理论的单向拉伸低碳钢试样颈缩分析
2.
This criterion is based on the critical thickness gradient C which occurs perpendicular to the necking when the failure develops.
介绍了一种预测板料发生颈缩的新准则——厚度梯度准则,该准则基于当板料发生颈缩时沿垂直于颈缩方向的厚度梯度分布存在着极值C;在板料成形过程中,当其厚度梯度值小于临界厚度梯度值C时,认为板料发生颈缩
3.
This criterion was based on the critical thickness gradient RC which existed in the direction perpendicular to the necking when the failure developed.
介绍一种预测薄板成形极限的新准则——厚度梯度准则,该准则基于薄板颈缩时沿垂直于颈缩方向的厚度梯度分布存在极值RC。
2)  necking [英]['nekiŋ]  [美]['nɛkɪŋ]
缩颈
1.
Necking-down Growth and Stress Analysis for 300 mm CZ Silicon Single Crystals;
300mm硅单晶的缩颈生长及应力分析
2.
Also,a thin\|wall tube necking in conical die is a.
本文还给出利用主剪应力迹线上的正应力方程求解锥模薄壁管缩颈应力的实例。
3.
Combined with practical engineering experiences,the author introduces the basic principle of reflection method,illustrates the basis to valuate integrate pile,necking,tube diameter expansion,segregation,breakup and interlayer with reflection method,and discusses relevant problems should be noticed in on-site testing,in order to offer reliable reference for design and construction acceptance.
结合工程实践经验,介绍了反射波法的基本原理,利用反射波法对判断完整桩、缩颈、扩径、离析、断裂或夹层等现象的依据进行了阐述,并对现场测试中需注意的相关问题进行了论述,为设计和施工验收提供了可靠的依据。
3)  liquid bridge pinch detecting
缩颈检测
1.
According to the properties of short circuit transfer in CO2 welding,the short circuit detecting circuit,which including primary short circuit detecting and liquid bridge pinch detecting circuit is designed on the basis of voltage comparer,differential circuit and digital circuit.
根据CO2气体保护焊短路过渡的特点,利用电压比较器、微分电路、数字电子线路,设计了短路检测电路和短路液桥缩颈检测电路。
4)  necking behaviour
颈缩行为
1.
The necking behaviour in polymer stretching process is reviewed.
综述了聚合物拉伸过程中的颈缩行为,并从研究颈缩行为的一般内容、颈缩不稳定动力学以及本构理论等方面对颈缩行为的发展历史进行了全面的阐述,最后,探讨了聚合物拉伸过程中颈缩行为的抑制,对未来的研究方向提出了有益的见解。
5)  Reduction spinning
缩颈旋压
1.
Experiment study of spinning spindleless roller's journal reduction spinning force;
旋压式无心轴托辊缩颈旋压力的试验研究
6)  multiple necks
多颈缩
补充资料:颈缩
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性质: 在拉伸应力下,材料可能发生的局部截面缩减的现象。通常用于纤维、单丝在低于其熔点下的冷拉伸。在有些挤塑情况中,当挤出物离开模口时会产生这种现象,结晶性纤维和像聚乙烯之类的一些半结晶热塑性树脂在接近屈服点的临界应力作用下,也会出现这种现象。

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