Effect of several deformation mode on microstructure performance and adiabatic shear sensitivity of tungsten heavy alloy;
几种变形方式对钨合金组织性能及绝热剪切敏感性的影响
These reviews include three search fields: the equipment of electromagnetic riveting,the process of electromagnetic riveting and the deformation mechanism of adiabatic shear: the low voltage electromagnetic riveter is in the works and the simulation of electromagnetic riveting will be more and more importance in the analysis.
从原理出发,对国内外电磁铆接设备、工艺及绝热剪切变形机理的研究进行了分析比较,指出电磁铆接设备将走低电压发展的道路,数值模拟将在今后的研究中发挥越来越重要的作用,最后对该领域的发展趋势提出自己的观点。
By analyzing SEM photo of the chip in turn-milling,it is found that adiabatic shear take place inside the chip.
分析了正交车铣切屑的扫描电子显微镜的照片,发现有绝热剪切发生,证明正交车铣锯齿形切屑产生的原因是切屑内部的局部产生突变性剪切所造成的。
Effects of Deformation on Microstructure Performance and Adiabatic Shearing Sensitivity of Tungsten Heavy Alloy;
变形对钨合金微观组织性能及绝热剪切敏感性的影响
Numerical simulation on adiabatic shearing behavior of TB2;
TB2钛合金绝热剪切行为的数值模拟
So, only in 93W, the adiabatic shearing bands can be found.
通过对比发现 ,二者的断裂机理基本相似 ,但侵彻时 ,由于 90W钨合金中存在较多的粘结相而使得其蘑菇头较小 ,其中的钨颗粒变形也较小 ;只在 93W钨合金中发现了绝热剪切现象的征
Although the void damage with adiabatic shear band has been observed in experiments, and the thermal softening effect has been discussed extensively in literature, there is very little research on its damage effect.
绝热剪切破坏是冲击载荷作用下金属材料中经常出现的一种重要破坏模式 ,尽管已经在实验中观察到了绝热剪切带内部的损伤现象 ,但是在理论和计算模型中往往还只是考虑它的热软化效应 ,对与之伴随的损伤破坏效应却鲜有讨论 。
The dynamic mechanical properties and susceptibility to adiabatic shear band (ASB) of the tungsten heavy alloy (WHA) deformed by the HE&CT were systematically investigated.
35Co 钨合金进行热挤压变形强化,获得纤维组织,再通过冷扭转变形调整纤维状钨颗粒的取向,对压、扭复合工艺制备的钨合金进行动态压缩性能测试和绝热剪切敏感性的分析,并与烧结态和冷扭转态钨合金作对比研究。
The dynamic flow stress-loading time curves as well as the metallurgical analysis of adiabatic shear band show that localized adiabatic shear deformation happened in both TC4 and DT4,however this process is so transient for titanium alloy TC4 that it takes only several microseconds,but it takes most of the loading time for electromagnetic iron DT4.
采用分离式Hopkinson压杆装置对TC4钛合金和DT4电磁纯铁的帽形试样进行动态冲击实验,以研究两种材料高应变率下的绝热剪切行为,并分析材料热物理性能和力学性能对其绝热剪切敏感性的影响。
The distribution curve of workpiece temperature induced by the shear heat source is obtained.
得出剪切热源引起的工件温度分布曲线。
In this paper,the behaviors of thermocapillary convection were numerically simulated under the different gravity and what were concluded the strong disturbance occurred in the shear layer due to the thermocapiUary convection under microgravity.
在水平温度梯度下,双层流体交界面的表面张力会出现梯度,驱动热毛细对流运动,造成热剪切层内的扰动。
Adiabatic Shear Bands of 4Cr5MoSiV1 Steel Formed by High Speed Cutting
高速切削4Cr5MoSiV1钢形成的绝热剪切带
Experimental Study on Adiabatic Shear Behavior in Chip Formation during Orthogonal Cutting
正交切削切屑形成中绝热剪切行为的实验研究
MICROSTRUCTURE AND HARDNESS OF ADIABATIC SHEAR BANDS IN HIGH STRENGTH STEELS
高强度钢中绝热剪切带的组织和硬度
Study of Armour-Piercing Mechanism and Adiabatic Shear Banding Characteristic;
穿甲侵彻机理及绝热剪切带特性研究
The adiabatic shear bands of U-5.7Nb at high strain rate
高应变率下U-5.7Nb合金的绝热剪切变形
Localized Adiabatic Shear Deformation of TC4 and DT4 Alloys
TC4和DT4合金的绝热剪切行为
Evolution of Adiabatic Shear Bands in Typical Microstructure of Ti-6Al-4V Alloy
Ti-6Al-4V合金绝热剪切带的演化
Characteristics of the Adiabatic Shear Bands in Mg-10Gd-2Y-0.5Zr Alloy
Mg-Gd-Y系合金中绝热剪切带的特征
Two Types of Adiabatic Shear Bands in 40CrNi2Mo Steel Targets
高强度钢板中的两种类型绝热剪切带
New Method for Calculating Local Shear Strain in Adiabatic Shear Band of Titanium Alloy
钛合金绝热剪切带的局部剪切应变估算的新方法
The Research of the Typical Metal Materials High-Speed Cutting Mainly Deformed Zone Adiabatic Shear;
典型材料高速切削主变形区绝热剪切的研究
An Experimental Study of the Adiabatic Shear Behavior in Orthogonal Cutting of High Strength Steel
正交切削高强度钢绝热剪切行为的实验研究
Behavior of Adiabatic Shear and Flow Localization of Alloy Ti-6.5Al-3.5Mo-1.5Zr-0.3Si
Ti-6.5Al-3.5Mo-1.5Zr-0.3Si合金绝热剪切和局部流动行为
Theoretical Analysis of the Adiabatic Shear Band Width and Strain Rate Effect of Ti-6Al-4V
Ti-6Al-4V绝热剪切带的厚度及应变率效应研究
Fine Structure of Adiabatic Shear Band of TC6 Alloy under Different Evolvement Stages
TC6钛合金绝热剪切带不同发展阶段的精细结构
Formation Mechanics of Adiabatic Shear Band for the Different Microstructures of TC6 Alloy
TC6钛合金不同组织绝热剪切带的形成机理
Study on Microcosmic Mechanism of Adiabatic Shear Behavior in Orthogonal Cutting of High Strength Steel;
正交切削高强度钢绝热剪切行为的微观机理研究
magnetohydrodynamic shear heating
磁流体动力剪切加热