Study on logarithmic strain power hardening constitutional model;
对数应变幂次强化本构模型研究
Forging ratio,relative deformation and logarithmic strain
锻比、相对变形量与对数应变
According to the accurate finite deformation theory based on the logarithmic strain given in part (Ⅰ), a consistent algorithm with first order accuracy is developed.
提出了与基于对数应变的精确有限变形弹塑性理论相应的一致性算法。
A m odified em piricalformula for high te mperature plastic deformation has been presented onbasis of our study and the literature : ⒒ε= A ( σ G) (1 + ε) bexp ( - Δ Q R T) , where signs ±representtensileand co mpressive tests ,and n ,b and Δ Q are stress exponent ,strain exponent and activation energy respec tively .
通过实验和总结文献, 提出一个高温塑性形变的经验公式: ⒒ε= A ( σ G) (1 + ε)bexp ( -Δ Q R T) , 其中±分别表示拉伸和压缩实验, 而n , b, Δ Q 分别代表应力指数, 应变指数和塑变活化能。
The effects of the physical and chemical characteristics of the conductive phase on the gauge factor(GF) of the Ru-based thick-film strain resistor;
厚膜电阻材料的物化特性对钌系厚膜电阻应变系数的影响
A new method to increase of the gauge factor(GF) Rubased thick film resistor (TFR) was introduced.
采用粒子尺寸为8nm的纳米Al2O3作为掺杂改性剂,通过选择合适粒径和配比的导电相、玻璃相及烧结工艺,得到了一种GF为13、电阻温度系数小、稳定性良好的钌基厚膜应变电阻,并从厚膜电阻导电机理和纳米材料特性出发,讨论了纳米氧化铝掺杂对厚膜应变电阻应变系数、温度系数、稳定性的影响及其机理。
Heavy doped polycrystalline silicon (Poly-Si) nanoflims have great gauge factors (GF) and good temperature characteristics, and they are ideal piezoresistive materials for mechanics sensors.
重掺杂多晶硅纳米薄膜具有较大的应变系数和良好的温度特性,是制作力学量传感器的理想压阻材料。
For the purpose of aiding the development of effective MEMS strain sensors using polysilicon nano-film,we investigate the relationship between the B-doped concentration and the gauge factor of LPCVD-grown polysilicon nano-film and analyze the structure of the film via scanning electron photomicrographs and X-ray diffraction-spectra.
为有效利用多晶硅纳米薄膜研制MEMS压阻器件,本文对LPCVD多晶硅纳米薄膜应变系数与掺硼浓度的关系进行了研究,并利用扫描电镜和X射线衍射实验分析了薄膜的结构特点。
The relation between gauge factors of heavy doped polysilicon films deposited by LPCVD and temperatures is researched and attained,considering experimental influences of deposition temperature and film thickness on gauge factors.
利用LPCVD制备重掺杂多晶硅薄膜,在0~560℃温度范围内对薄膜的压阻效应进行研究,同时对多晶硅薄膜应变系数随温度的变化,以及薄膜的淀积温度与薄膜厚度对应变系数的影响进行了相关的实验研究。
The concepts of stress complex number and strain complex number and inertia complex number are presented in this paper.
文章提出应力复数、应变复数和惯性复数的概念,得到一个复数方程式,即复数莫尔圆方程。
Complex number method for plane stress analysis and plane strain analysis is proposed by means of introducing the concepts of stress complex number and strain complex number in this paper.
通过引入应力复数和应变复数的概念,提出了平面应力分析和平面应变分析的复数方法。
Restricted General Gauss-Markoff Estimation Based on Linear Transformations of the Dependent Variable;
基于应变数线性变换的约束广义G-M估计(英文)
fast fission effect factor
快中子裂变效应系数
A function is a dependent variable, whose value depends on the value of an independent variable .
函数是应变量,其值取决于自变量的值。
Application of digital substation technology in Diecai 110 kV substation
数字化变电站技术在叠彩110kV变的应用
Effect of Cutting Parameters on Chip Fracture Strain
切削参数变化对切屑断裂应变的影响
Creeping Strain Function of Leather in Lastometer Deformation
顶伸状态下皮革蠕变应变函数的研究
The strain energy density function equals the Helmholtz.
应变能密度函数等于亥姆霍兹函数。
The envelopes of the strain peaks is an exponential function.
应变峰值的包络线是一个指数函数。
Application of Digital Up-Converter in IF Digitalization
数字上变频器在中频数字化中的应用
Application of "Variable" Parameter in Computer NC Programming
计算机数控编程“变量”参数的应用
Application of Z-Translation in Calculating Progressions and Plural Function Integral;
Z变换在级数和复变函数积分计算中的应用
Stress-strain Analysis of Zinc Ingot Die Based on Numerical Simulation
基于数值模拟的锌锭模应力应变分析
The hardening function was formed by incorporating an equivalent plastic deviator strain and a volume strain.
联合等效塑性偏应变和体应变构造硬化函数.
β Estimate in Coefficient Function of Adaptive Variable Coefficients EV Model
自适应变系数EV模型系数函数中β的估计
Numerical Analysis of Damage of Plates Based on the Correlative Change Rate of the Strain and Strain Mode;
基于应变及应变模态变化率的薄板损伤数值分析
Time Varying Parameter Choice Model and Analysis of Time Varying Responses of Monetary Policy;
时变参数选择模型与货币政策的时变反应分析
Mathematical Model of Flow Stress of Nb Micro-alloyed Steels Through High Temperature Deformation
高温变形含Nb微合金钢流变应力数学模型
Properties of preinvex and semistrictly preinvex functions and their application
预不变凸、半严格预不变凸函数的性质与应用