Implicit stress integration algorithm for isotropic hardening elastoplastic constitutive models;
等向硬化类弹塑性本构模型的隐式应力积分算法
A unified viscoplasticity constitutive model for concrete materials is developed by mean of the framework of irreversible thermodynamics,and an expression for the Helmholtz free energy function involving the state variables of kinematic hardening and isotropic hardening is given,moreover a non-associated flow potential function including correspond state variables is used.
本文以不可逆热力学理论为基础,选定了包含反映材料运动硬化和等向硬化行为参量的 Helmholtz 自由能函数,同时,构造了含相应内变量的非相关流动势函数,构建出了混凝土材料的粘塑性统一本构模型。
isothernal transformation case hardening
等温转变表面硬化处理
Structure and Properties of Plasma Phase-change Case Hardening for the Ash Iron Casting;
灰口铸铁等离子表面硬化处理后的组织与性能
Study on Equipment and Process of Plasma Carburizing Surface Hardening of Austenitic Stainless Steel at Low Temperature
奥氏体不锈钢低温离子渗碳表面硬化处理设备及工艺研究
Influence of Surface Remelting Treatment by Plasma Beam Scanning on Microstructure and Performance of Hardened Layer for Boron Cast Iron
等离子束表面微熔处理对硼铸铁硬化层组织与性能的影响
Effect on PTFE Surface Property Treated by Low Temperature Plasma
低温等离子处理对PTFE表面性能的影响
The procedures of heat treatment of steel include hardening,tempering,annealing and case hardening.
钢的热处理工序包括硬化、回火、退火和表面硬化。
Double Glow Plasma Low Temperature Surface Chromizing Hardening Process of T10 Steel
T10钢低温双辉等离子表面渗镀铬硬化的研究
To treat(a metal surface)with cyanide to produce a hard surface.
氰化用氰化物处理（金属表面）使其表面坚硬
Study on Numerical Simulation of Temperature Field on Surface of 30CrMnSi Shafts During Laser Transformation Hardening
30CrMnSi轴表面激光相变硬化温度场数值模拟研究
Influence of Annealing Treatment on Glass Transition Temperature
缓冲预处理对玻璃化转变温度的影响
To harden(a metallic surface)by rapid cooling.
冷铸，冷淬通过急冷处理使（金属表面）变硬
The Study on Mechanism of the Surface Treatment and Its Wear for Bender's Roll Shaft;
弯管机辊轴表面硬化处理机理及磨损性能研究
Surface Modification of PBO Fiber via Low-temperature Plasma;
常温常压射频等离子对PBO纤维表面处理
Research progress of non-polar plastics surface treated by low-temperature plasma
难粘塑料表面低温等离子体处理研究进展
The Effect of Low Temperature Oxygen Plasma Treatment on Surface Properties of Aramid Yarn
低温氧等离子体处理对芳纶表面性能的影响
Application of Surface Super-hardening Technology in Investment Casting Mould
表面超硬化处理技术在精铸模具上的应用
It is useful in polishing for difficult to cut materials such as ceramic, carbide and glass, also ultra-high hardened surface treated surface.
适用于抛光陶瓷、化物、璃等难于切削的材质，以及经过超高硬度处理的表面。
Temperature changes drastically in the first few centimeters above and below the surface of the soil.
土壤表面上下几厘米处的温度变化是大的。