The results show that martensite at transition area and the thermal stress in the joint of different material will cause crack in clad steel plate during welding.
结果表明,过渡区马氏体组织的生成,异种钢接头的热应力是产生焊接裂纹的主要原因。
The cure behavior, thermal stability and glass transition behavior of epoxy asphalts were investigated by using differential scanning calorimeter (DSC) and thermogravimetric analysis (TGA).
采用差示扫描量热仪(dsc)和热失重分析仪(TGA)研究了环氧沥青的固化行为,玻璃化转变和热稳定性,并与纯沥青进行了比较。
The relative saturation wetness (transition function) is defined and the approach by distinguishing different thermal property zones is developed.
提出了蒸汽相对饱和湿度(过渡函数)的定义并采用了分区计算的方法。
Dynamic mechanical thermal analysis showed that the addition of TPR improved the damping of the composite, but decreased the storage modulus and the glass transition temperature of the composite.
复合材料动态力学性能研究表明:TPR的加入提高了复合材料的阻尼性质,却降低了复合材料的存储模量和玻璃化转变温度;
The tensile strength of PC can he improved by the thermal treatment at the temperature below its glass transition temperature, but the property of the resistance of ESC of PC will be decreased.
玻璃化转变温度以下的热处理可以提高PC的拉伸强度,但是对改善材料的耐环境应力开裂性不利。
The catalogue of transition-metals, thickness and the thermal expansion coefficient which influence the strength of the bonded places are studied as well.
同时还研究了过渡层金属的种类、厚度及线膨胀系数对接合强度的影响。
There is a fracture transition caused by loading rate. Through thermal activation analysis, a quantitative relationship was found.
通过热激活分析,获得了断裂激活能以及与温度和加载速率相关的定量化关系。
The glass transition temperatures of blend systems descend with increasing amount of TP200EP and PP150EP. But they have little influence on thermal decomposition temperatures.
共混体系的玻璃化温度,随着TP200EP和PP 150ep含量的增加呈下降趋势,而对共混体系的热分解温度影响不大。
Comparing with pure polyimide, the hybrid films presented higher glass transition temperature and thermal stability.
杂化膜具有比本体聚酰亚胺高的玻璃化转变温度和热稳定性。
The thermal hysteresis of the transition is about 70k, in agreement with that obtained from the dielectric and pyroelectric measurements.
该相变的热滞约为70K,与介电及热电测量所得结果基本一致。
The author theoretically analyzes the reasons for thermal shock damage of brick lining of transition zone in rotary kiln.
本文从理论上分析了回转窑过渡带衬砖热震损坏的原因。
Research progress of solid-solid phase transition polymer materials for thermal energy storage was reviewed.
对高分子固-固相转变储能材料的研究进展进行了综述。
The transition-metal sulphides are widely used as cathode in thermal batteries, especially iron disulphide and cobalt disulphide.
过渡族金属硫化物是一类很好的热电池正极材料。
With the advantage of two dimensional (2d) correlation FT IR spectroscopy, the conformation transition of regenerated silk fibroin film was studied under thermal treatment.
通过二维相关红外光谱,研究了再生蚕丝蛋白膜的构象及其转变与温度之间的关系。
Near the transition temperature, a thermal hysteresis was found in dielectric, pyroelectric and piezoelectric measurements. Thus the transition should be of the first order transition.
在相变温度区域里,介电、热电和压电都有明显的热滞效应,具有一级相变特性。
It can be find that average photon number of thermal radiation field and multi-photon transition process have intense influence on the non-classical properties.
可以看出热态光场的平均光子数和多光子跃迁对光场非经典性质有强烈的影响。
The results showed that the copolymers had higher glass transition temperature compared with PMMA, and the thermal decomposition temperature had significantly increased.
研究表明,随着丙烯酸酯元数的增加,共聚物的交联度增大,玻璃化转变温度提高;
Therefore it is a good way for X-ray dilatometry to investigate the issues of thermal expansion in displacive phase transition.
射线热膨胀测定法可以用来研究位移型相变中的热膨胀问题。
Experiments on airfoil transition with a ir thermal imager were made. Results indicate that there exists a temperature jump area around the transition point.
用红外热成像技术对某层流翼型的转捩现象进行了实验观测,结果表明在转捩点存在温度跳变。
Thermal transitions. The softening point (glass transition temperature) and the melting point of a polymer will determine which it will be suitable for applications.
热转换性:聚合物的软化点(玻璃状转化温度)和熔化点决定了它是否适合应用。
The results of DMTA show that the title polymer is insoluble in most of organic solvents and has a high glass transition temperature and high thermal resistance.
动态机械热分析(DMTA)表明发生配位反应后该配合物进一步交联,从 而难溶于大部分有机溶剂,其玻璃化转变温度和耐热性能均得到很大提高。
The results show that the thermal effect is able to produce a transition phenomenon in panel flutter under yawed flow, and that the corresponding flow yaw angle also changes.
结果显示:温升使偏航壁板颤振发生“跳跃”现象,对应的气流偏角发生变化;
The results show that the thermal effect is able to produce a transition phenomenon in panel flutter under yawed flow, and that the corresponding flow yaw angle also changes.
结果显示:温升使偏航壁板颤振发生“跳跃”现象,对应的气流偏角发生变化;
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