反之,施加激励电场,介质将产生机械变形,称逆压电效应。
Conversely, applying excitation electric field, medium to generate mechanical deformation, called the inverse piezoelectric effect.
给出了一般情况下用本技术测量和计算材料机械变形方向的方法,列出了本技术测量的实验数据和结果。
Using the proposed technique the measurement and calculation method of material mechanical deformation direction is described. Finally, the experimental results and test data are given.
盘元在涂敷、气吹、烘干的过程中均为直线形,不发生机械变形,涂层完好地沾附在盘元上,更好的满足了拉拔要求。
The rod is in beeline shape in the process of applying, blowing, and drying, no machinery distortion, the coat is perfectly attached on the rod, better fulfill the drawing requirement.
螺栓变形协调实验是机械类专业的一项重要实验。
The experiment on bolt of compatibility and deformation is basilica for mechanics.
结果是软骨的机械性能发生改变,对变形的耐受力下降。
As a result the mechanical properties of the cartilage are altered and resistance to deformation is lowered.
当用扳手上紧配件时,这种机械密封会在螺纹配合和轻微的变形来生成密封效果。
This mechanical seal is produced by the mating and slight crushing of the threads when a wrench is applied to tighten the fittings.
该树脂所生产制品具有很高的阻燃性能和机械强度,热变形温度高,固化速度快,浸透性好。
The resin produced by the flame-retardant products with high strength and mechanical properties, thermal deformation temperature, curing speed, and good soak.
本文综述了变形的各种因素及其对机械密封性能产生的影响。
This paper summarizes various factors of causing deformation and their effects on mechanical seal performance.
机械密封产生变形会严重影响其工作性能,甚至导致磨损和早期失效。
The deformation of mechanical seals would seriously affect their working performance, even resulting in wear and early stage failure.
研究了功能梯度材料截顶圆锥壳在横向机械载荷与非均匀热载荷同时作用下的变形问题。
The deformation of functionally graded truncated conical shell subjected to transverse mechanical load as well as non-uniformly thermal load is studied.
对油品有极佳的抵抗力,耐高温、耐候性均佳,但机械强度、压缩变形率及耐水性稍差。
Excellent resistance to oil, high temperature resistance, weather resistance are good, but the mechanical strength, compression deformation rate and water resistance is slightly worse.
针对在电磁场和机械场耦合作用下的载流柱壳的非线性变形问题的数值解法进行了研究。
The numerical method for nonlinear deformation problems of current-carrying columnar shell under the coupled action of electromagnetic field and mechanical field are studied.
采用整体接触有限单元法,考虑“O”型辅助密封圈的影响,计算了不同压力下机械密封端面变形行为。
To study the influence of O-rings secondary seals, deformation behaviors of mechanical seal faces were analyzed under different pressures with the method of integral contact analysis by FEM.
本文研究简支,固支和悬臂压电层合梁在强电场和机械荷载联合作用下的非线性变形。
The nonlinear deformations of simply supported, fixed supported and cantilever piezoelectric laminated beams were studied under strong electric field and mechanical force.
研究精密机械热误差校正的机理,提出主动热校正控制变形误差的精度指标。
In this paper, the thermal error calibration principle of precision machines is presented, and the accuracy index of active calibration thermal deformation is proposed.
一般情况下弹簧在长时间运行后长度会缩短,补偿弹簧在动环上的机械密封还会因为离心力的原因而变形。
Under normal circumstances, after a spring in the long run will be shortened in length, compensation spring moving mechanical seal ring because centrifugal force will cause deformation.
帝元钢球具有精确的尺寸、圆整的几何形状,很高的硬度和良好的机械性能并具有耐磨损、不变形、不开裂的优异品质。
Diyuan steel ball is with precise dimensions, roundness of the geometric shape, high hardness, good mechanical properties and good wear resistance, no deformation, no breakage etc excellent quality.
在水面舰艇机械的传统设计中一般不考虑机架伸缩变形对机构运行的影响。
The influence of engine frame distortion on crank rocker operation is not taken into account in traditional surface vessel design.
波登管的压力比例塑性变形通过摩擦力很小的机械装置传递给刃形指针。
The pressure proportional elastic deformation of this bourdon tube is transmitted through a low friction movement to the knife edge pointer.
然而,对于由机械加工获得的金属机械零件,必须考虑零件内存在的残余应力对热变形误差的影响。
However, for the metal mechanical parts which are processed by mechanical method, the influence of its inner residual stress on the thermal deformation error should be considered.
另一方面,NPTF螺纹的设计用于保证在整个牙形上产生足够的变形以生成这种机械密封。
On the other hand, NPTF threads are designed to ensure that sufficient crushing of the entire thread form will take place to produce a mechanical seal.
用有限元法分析了人字形螺旋槽机械密封的热变形和力变形。
Using finite element method, the thermal and mechanical deformations of herringbone spiral groove mechanical seal are analyzed.
原子力显微镜(AFM)的微探针系统是典型的微机械构件,它在接触扫描过程处于耦合变形状态。
Micro cantilever probe of atomic force microscope (AFM) is a typical micro mechanical component, which is under a coupling deformation during the contact scanning process.
精密机械热变形计算中,通常只考虑温度在零件中的分布状况对零件变形所产生的影响。
The conventional calculation of thermal deformation of precision mechanism involves an exclusive consideration of the influence of temperature distribution on part deformation.
讨论了以压电元件为动力部件的变形镗杆的工作原理、机械结构及其设计,简单介绍其控制。
The working principle of the deformable boring arm utilizing piezoelectrical elements as the actuator, as well as the mechanical structure, the design, and the control, is discussed.
为了给荔枝精深加工机械的研发提供设计依据和理论基础,对荔枝的物性参数(球度、果壳厚度和鲜果平均密度等)和机械特性(压缩破坏载荷及变形)进行了测定。
In order to provide design and theoretical basis for intensive processing machinery of Litchi fresh fruit, physical and mechanical property of Litchi fresh fruit were measured.
研究表明,用多个扇形模具块对焊管端口进行机械扩径时,椭圆管坯的塑性变形具有显著的局部特性,且主要集中于悬空段。
The study shows that plastic deformation of the elliptical tube which has a significant local characteristic mainly concentrates in the vacant section, when expanding using several expanding punches.
研究表明,用多个扇形模具块对焊管端口进行机械扩径时,椭圆管坯的塑性变形具有显著的局部特性,且主要集中于悬空段。
The study shows that plastic deformation of the elliptical tube which has a significant local characteristic mainly concentrates in the vacant section, when expanding using several expanding punches.
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