随着降低回火温度,微观应变升高而晶块尺寸减小。
The microstrains increase and domain sizes decrease with the decrease in tempering temperatures.
在高温下制取的wc粉,结晶完整,晶内亚结构粗大,微观应变小。
WC powders prepared at higher temperatures are characterized by complete sintering, coarse substructure and slight micro-strain.
分析了从傅里叶系数或真实线形分离晶粒尺寸和微观应变的可靠性;
The reliability of the separation of size- and strain-broadening from Fourier coefficients or deconvoluted profile is estimated.
本文讨论了样品表面层有微观应变梯度时X射线衍射线形分析的方法。
This paper deals with X-ray diffraction profile analysis for the sample with a micro-strain gradient in its surface layer.
金属在热成形过程中的微观组织演变是影响产品力学性能的关键因素,该演变过程取决于温度、应变和应变速率。
The microstructure evolution, which is governed by temperature, strain and strain rate during hot metal forming, is a key factor to the mechanical properties.
本文对表面微观屈服应力的测量与计算方法及表面变形的应力应变曲线进行了分析研究。
The calculation of micro-yield stress in surface layer and the stress-strain curves of surface layer deformation were studied.
结果表明:(1)机械加工表面微观形貌主要包括:变形层、应变线、皱折、拉扯和白层等特征;
The results show that: (1) the mechanic surface micro morphlogy mainly includes deformation layer, strain line, fold, tear and white layer.
采用金属材料微元屈服极限随机分布模型,计算出每次循环产生的微观塑性应变,并与用单调拉伸试验确定的材料真实断裂延性联系起来。
Randomly distributed models of micro-plastic strains were used to calculate the micro-plastic deformation produced at each cycle of the steel under high cycle fatigue test.
综述了镁合金超塑性的研究进展,总结了镁合金超塑性变形的微观机理,评述了镁合金高应变速率超塑性的研究状况,提出了几个需要解决的问题和研究方向。
The current status of research on high strain rate superplasticity of magnesium alloys is then examined, and several problems to be solved and future directions are suggested.
对回收的样品进行了断口分析和金相分析,从宏微观角度分析了无钴合金在不同应变率下的断裂机制。
By the fracture analysis and metallographic analysis, we obtained the spall fracture mechanism at different strain rate.
根据岩石的破裂机理,本文提出了在单轴压力下的全应力应变关系的微观破裂模型。
According to cracking mechanism of rock, this article presents a model of complete stress-strain under uniaxial compress in minute cracking.
此外,慢应变速率试验(SSRT)技术也被用于描述在SCC微观结构的效果。
Moreover, Slow Strain Rate Testing (SSRT) technique were also applied to describe the microsttuctural effect in SCC.
通过奥贝球铁的单调拉伸加载、接触疲劳和应变疲劳等宏观断裂规律和微观分析,探讨其强韧化机制。
The toughening mechanism of ADI was investigated by microstructure analysis and fracture characteristics of the specimens under tensile test. contact fatigue and stress fatigue.
将微观弹性应变能理论和微观扩散方程相耦合,建立起时效过程微观晶格动力学模型。
The microscopic lattice kinetic model of aging process was build, using the coupling of the theory of microscopic elastic energy and microscopic diffusion equation.
测定了光滑和缺口钨合金材料在不同应变率下动态拉伸性能的变化规律,观察了材料断裂的微观机制。
Law of dynamic tensile property of tungsten alloy with notch or without notch was mensurated, and material microcosmic fragment mechanism was observed.
研究了变形温度和应变速率对半固态LY11合金变形行为和微观组织的影响。
The effects of deformation temperature and the strain rates on deformation behavior and microstructure of the semi-solid LY11 alloy were investigated in the condition of isothermal compression.
试样的微观断口分析显示了在高温应变疲劳试验中同时存在疲劳、蠕变和氧化损伤。
The results show that fatigue, creep and oxidation damage always develops simultaneously during low cycle fatigue at high temperature.
由计算的应力应变分布形态所展示的亚微观断裂性质与实验观察相符。
The microscopic fracture mechanism revealed by these stress distributions coincides with experimental observations.
桩身应力应变测试是从微观上了解桩基工作性状的基本方法。
It is the basic method of understanding the performance behavior of big diameter driven cast-in-place pile by the test of stress and strain.
结合对合金微观变形结构的观察,分析了温度、应变保持时间对合金低周疲劳性能的影响。
The effects of temperature and strain dwell time on properties of the alloy were analyzed with microstructure observation.
本文根据大量室内试验成果,分析了淤泥的微观结构、应力应变关系以及固结特性,得出了一些规律性结论,对于软粘土地基的理论设计与工程实践有重要的指导意义。
This paper have studied consolidation properties based on saturated soft clay test, and draw some conclusion, which is significant for design and engineering practice of marine ooze foundation.
本文根据大量室内试验成果,分析了淤泥的微观结构、应力应变关系以及固结特性,得出了一些规律性结论,对于软粘土地基的理论设计与工程实践有重要的指导意义。
This paper have studied consolidation properties based on saturated soft clay test, and draw some conclusion, which is significant for design and engineering practice of marine ooze foundation.
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