smas

On the Stress - Strain Hysteresis of the SMAs at Different Temperatures

形状记忆合金不同温度下的应力&应变滞后研究

Because of the non linear brought with the large displacement of the SMAs , a model is calculated and analyzed with the finite element which used for conducting large deformation analysis of laminated shells , the effect of SMAs is changed for a equivalent mechanical load .

由于形状记忆合金的大变形带来非线性，本文利用具有几何非线性分析功能的复合材料板壳元对模型进行计算和分析，形状记忆合金的驱动效应等效为力学载荷。

The result was clear that Cu-Al-Be SMAs show a high resistance to stress corrosion cracking , especially in sea water .

结果表明，Cu-Al-Be合金具有良好的抗海水应力腐蚀性能和较低的氨介质应力腐蚀倾向。

And the design of flap of frontalis muscle and upper eyelid SMAS and so on .

动力源额肌瓣的起点和止点设计，以及动力源额肌瓣的长宽设计等。

The proposed constitutive model can be used to calculate the deformation of the SMAs under different temperatures , different stresses and different loading paths .

该本构模型可以用来计算不同的应力和温度以及不同的加载过程下材料的变形。

A new constitutive model of shape memory alloys ( SMAs ) based on Tanaka 's martensite fraction exponential expression is produced .

借助于Tanaka用一维形核动力学方程导出的指数形式的相变百分数，建立了一个新的形状记忆合金本构模型·提出了不同相变条件下的可恢复形状记忆应变的表达式；

Conclusion Anti-depressant drug ( paroxetine ) can alter symptom of SMAS , improve clinical symptom and quality of life .

结论抗抑郁药（帕罗西汀）可以改变肠系膜上动脉综合征的压迫，改善临床症状，提高生活质量。

Objective To evaluate the efficacy of anti-depressant treatment in superior mesenteric artery syndrome ( SMAS ) with depression and hydrocortisone .

目的探讨抗抑郁疗法对肠系膜上动脉综合征伴抑郁及皮质醇变化的疗效。

The two important characteristics of pseudoelasticity and shape memory effect of shape memory alloys ( SMAs ) strongly depend on the orientation of single crystals .

形状记忆合金的伪弹性和形状记忆效应两个重要特性主要取决于单晶体的取向。

The frontal muscle and upper eyelid SMAS lifting for surgical treatment of blepharoptosis FRONTAL MUSCULAR VALVE SUSPENSION FOR THE TREATMENT OF PTOSIS

改良法额肌瓣悬吊治疗上睑下垂分析

The difference in control of the ratio of monomers in feed between the copolymerizations of AN with SAS and with SMAS is described .

指出AN与SAS共聚以及AN与甲基烯丙基磺酸钠共聚在反应工艺过程中配料控制上的不同之处。

Conclusion The diagnosis of SMAS should mainly depend on barium meal examination except that the typical clinical manifestations such as epigastric distending pain and vomiting .

结论肠系膜上动脉压迫综合征的诊断除应具有上腹胀痛、呕吐等典型症状外，主要的确诊手段为X线钡餐造影；

The possibility of replacing the temperature-sensing unit of paraffin with the temperature-sensing unit of Shape Memory Alloys ( SMAs ) and the research of SMAs-thermostat are introduced .

介绍了用形状记忆合金感温元件代替蜡式节温器的石蜡感温部件的可行性和形状记忆合金节温器的研制。

The rapid increasing applications of shape memory alloys require better understanding and more accurate description of the thermomechanical behavior of SMAs , especially the behavior of SMAs subjected to multi-dimensional loading complex thermomechanical loading histories .

形状记忆合金在高新技术领域中的迅速增长的应用要求人们对其热力学特性尤其是对其在多轴复杂加载史下的热力学特性进行全面了解和正确的描述。

As an example , we selected an ideal SMAs with two completely self-accommodated martensite variants , the results of the calculations can be simulated well with the phenomena of shape memory effect and transformation pseudoelasticity .

并以理想两变体情况进行了数值计算，得到的结果完全模拟了形状记忆合金的形状记忆效应及相变伪弹性。