The morphology of stress induced ε M in Fe17Mn5Si10Cr5Ni alloy was investigated by Transmission Electron Microscope (TEM) and High Resolution Electron Microscope (HREM).
用透射电镜和高分辨率电镜研究了Fe17Mn5Si10Cr5Ni合金的应力诱发εM形态。
Under a tensile force, the stress induced martensite initially nucleated from the crack tip.
裂纹尖端的应变区未能诱发马氏体形核,而且妨碍了热诱发马氏体的长大在外加拉应力作用下,应力诱发马氏作从裂纹尖端形核后,先形成蝶状马氏体;随后系统中上部也发生了马氏体形核;不同取向的马氏体在长大过程中逐渐转化和合并分析了应变的变化特点,探讨了相变的微观机
It was shown that the shape recovery strain decreases rapidly with increasing pre-strain when the deformation is above 5%,although the amount of stress induced εM still increases with increasing pre-strain in the range of 5%.
利用透射电子显微镜对不同变形量试样中应力诱发εM形貌进行观察得知,预应变量由小及大,诱发出的εM形态变化很大,从而对记忆效应产生不同的影响。
The reverse transformation temperature interval of the stress-induced martensite is much sm.
用在(Ms+30℃)温度下的拉伸实验和差示扫描量热仪(DSC)较系统地研究了 Ti44Ni47Nb9 宽滞后形状记忆合金应力诱发马氏体的相变行为。
The results showed that cold rolling process can induce texture of stress-induced martensite and two-way shape memory effect in specific direction.
5Mn合金的双程形状记忆效应的各向异性及其产生机制进行了研究·结果表明,冷轧可造成马氏体织构,且马氏体织构按最大程度缓和外加应力的方式产生,并在特定方向上产生形状记忆效应·通过对压下量的控制,可以在一定范围内任意获得正、负的自发形状变化和热膨胀性·随着加工量的增加,马氏体相变温度区间大幅度扩大·随着温度变化,具有择优取向的应力诱发马氏体晶核的生长和消失是导致可逆的自发形状变化各向异性的根本原因
The reverse transformation temperature interval of the stress-induced martensite was found to be much smaller than that of the thermally induced m.
采用差示扫描量热仪(DSC)系统研究了在(Ms+30℃)温度下拉伸形变对Ti44Ni47Nb9形状记忆合金应力诱发马氏体(SIM)相变行为的影响。
The results show that the reverse transformation temperature of stress induced martensite is higher than that of thermal induced martensite and with the increase of deformation the reverse transformation temperature increases.
0 4 9N(质量分数 ,% )合金预应变对应力诱发马氏体相变量及其逆相变温度的影响 。
The volume fraction of stress induced martensite (SIM) in Fe Mn Si Cr N shape memory alloy was determined by X ray diffraction method.
通过 X射线衍射峰位置和强度的计算 ,可以测定 Fe- Mn- Si- Cr- N形状记忆合金中应力诱发马氏体 (ε相 )体积分数 。
The reverse transformation of thermal induced martensite, general stess induced martensite, the stress induced martensite after thermomechanical training in Fe Mn Si based shape memory alloys were studied by an electrostatic audio frequency internal friction instrument.
利用音频内耗仪测试了Fe-Mn-Si基形状记忆合金热诱发马氏体、一般应力诱发马氏体和热-机械训练后的应力诱发马氏体的逆相变过程。
Molecular dynamics simulation of stress-induced martensitic phase transformation in NiAl
应力诱发NiAl单晶马氏体相变的分子动力学模拟
Research on the Mechanism of the Twin Boundary Motion of Ni-Mn-Ga Single Crystals and the Simulation of Stress-induced Martensitic Transformation;
单晶Ni-Mn-Ga孪晶界迁动机制研究及应力诱发马氏体相变模拟
A Study on the Process and Mechanism of Stress-Induced Martensite on Cu-Based Shape Memory Alloy;
铜基形状记忆合金应力诱发马氏体过程及机理研究
EXPERIMENTAL INVESTIGATION ON THE STRESS-INDUCED MARTENSITIC TRANSFORMATION AND THE MICROSTRUCTURE EVOLUTION IN CuAlNi SINGLE CRYSTAL
CuAlNi单晶应力诱发马氏体相变与微结构演化的实验观察与分析
Structure and magnetic properties of stress-induced martensites in ferromagnetic shape memory alloy Mn_2NiGa
铁磁形状记忆合金Mn_2NiGa中应力诱发马氏体相的结构和磁性
Measuring Real Visual Acuity with the Visual Evoked Potential;
视觉诱发电位在客观视力检测中的应用
Analysis of the Additional Stress Induced by Dewatering for the Failure of Shaft Wall in the Thick Alluvium
水位下降诱发深厚表土井壁的附加应力研究
Stress concentration role mechanism of ultra thick seam to cause pressure bumping
巨厚煤层应力集中诱发冲击矿压的作用机理
Analysis and Forensic Application of the VEP in Patients After Eyes Contusion in Clinical Ophthalmology
视觉诱发电位在眼外伤视力下降分析中的应用
Application Experience of Distortion Product Otoacoustic Emission in Newborn Hearing Screening
畸变产物诱发耳声发射在新生儿听力筛查中的应用
An innate, acquired, or induced inability to develop a normal immune response.
免疫缺陷先天的、后天的或诱发的正常免疫反应能力的缺失
Applying ERG and VEP to medical evaluation of defective vision in eye with trauma
视觉诱发电位和视网膜电图在外伤性视力减退医学鉴定中的应用
The Application of Auditory Brain Stem Responses(ABR) to Air-and Bone-conducted Clicks in Children with Congenital Atresia of Theexternal Auditory Canal
骨导脑干诱发电位在外耳道闭锁小儿听力评估中应用的初步探讨
Functionalization of ethylene propylene diene monomer with maleic anhydride in melt state through high shear stress-induced initiation
高剪切应力诱导引发马来酸酐官能化三元乙丙橡胶
Combined application of multiple auditory steady-state evoked response and auditory brain-stem response to hearing screening and diagnosis in infants
听性脑干反应联合听觉多频稳态诱发反应在儿童听力筛查和诊断中的应用
EFFECT OF STRAIN RATE ON STRAIN INDUCED α′-MARTENSITE TRANSFORMATION AND MECHANICAL RESPONSE OF AUSTENITIC STAINLESS STEELS
应变速率对奥氏体不锈钢应变诱发α′-马氏体转变和力学行为的影响
Study of Acoustically Short Latency Negative Response in Tone Burst Auditory Brainstem Responses
短纯音诱发的听性脑干反应测试中声诱发短潜伏期负反应研究
Study on Stress Induced Resistance to Cladosporium Cucumerinum in Cucumber Seeding;
应力诱导对黄瓜抗黑星病的实验研究
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