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1)  ablation necking
烧蚀颈缩
2)  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。
3)  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。
4)  ablation [英][æb'leiʃən]  [美][æb'leʃən]
烧蚀
1.
Ablation characteristics of 2D-C/C composites and their graphitized products;
2D-C/C复合材料及其石墨化制品烧蚀特性分析
2.
Research on ablation properties of C/C-B-SiC composites;
C/C-B-SiC复合材料的烧蚀性能研究
3.
Resin Composites on Long Time Ablation and Thermal Protection;
树脂基复合材料长时间烧蚀防热的应用研究
5)  erosion [英][i'rəuʒən]  [美][ɪ'roʒən]
烧蚀
1.
A test method for erosion of the nozzle with adjustable particle mass flow;
粒子流量可调的喷管烧蚀试验方法
2.
Experiment and calculation on erosion of carbon cloth rubber insulation eroded by particles;
冲蚀条件下炭布橡胶绝热层烧蚀实验与计算
3.
Engineering calculation for erosion and thermal structure of throat-insert of a SRM nozzle;
发动机喷管喉衬烧蚀及热结构工程计算
6)  Laser ablation
烧蚀
1.
Research on laser ablation of optical fiber with spherical surface;
球端面光纤耦合界面烧蚀现象的实验研究
2.
The dynamic process of intense 50 fs laser ablation of aluminum is investigated by ultrafast time-resolved shadowgraphs.
本文报道了利用超快时间分辨阴影图方法对飞秒激光脉冲烧蚀金属铝的动态物理过程的研究。
补充资料:颈缩
分子式:
CAS号:

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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