本文研究了扩展位错攀移的高温蠕变机制。
The mechanism of high temperature creep associated with the climb of extended dislocations is investigated.
小冲孔蠕变试验技术是一种采用微小试样评定材料高温蠕变性能的新方法。
The measurement method of yield and tensile toughness of metal materials by small punch test was studied.
对转子钢进行了短时高温蠕变实验，拟合出了直轴温度范围内的蠕变方程。
The creep behavior of 30CrZMoV steel of rotor at high temperature was studied experimentally.
小冲孔蠕变试验技术是一种采用微小试样评定材料高温蠕变性能的新方法。
Both the standard uniaxial tensile tests and the small punch tests were accomplished to study the creep behavior of TA2 at room temperature.
针对硫磺雾化喷嘴存在磨蚀快、高温蠕变明显的现象，提出了喷嘴氮化热处理的方法。
A nitrogen heat treatment method of nozzles was proposed for the sharp wear, evident high temperature creep deformation of the nozzles for sulfur atomization.
在实验过程当中没有观察到蠕变的加速阶段，这和大多数陶瓷基复合材料的高温蠕变现象是一致的。
Throughout the experiments, there is no accelerated creep regime, which is in accordance with most of the ceramic matrix composite.
高温蠕变损伤是由于过热引起的，过热使金相组织内部产生蠕变空洞，在热应力下空洞扩展连接而形成蠕变裂纹。
Creep damage is mainly caused by superheat. Because of superheat, creep cavities are formed inside microstructure, under heat stress condition, growth and join of cavities induce creep cracking.
利用高温云纹干涉法对航空发动机叶片定向结晶材料的高温蠕变进行了测试，获得该材料不同主方向的高温蠕变性质和规律。
The high temperature creep deformation of certain material used in aerial engines lamina was detected by means of high temperature moire interferometry in this paper.
刚玉莫来石材料的断裂在室温下由裂纹扩展控制，在高温下由蠕变机制控制。
The rupture of corundum-mullite materials was controlled by crack at room temperature and creep at high temperature.
由于材料性质以及操作条件的随机性，高温构件的蠕变损伤也同样具有随机性。
Because of the randomness of material properties and operation conditions the creep damage of high temperature component is also stochastic.
裂纹的疲劳蠕变混合形貌反映了高温下交互作用的影响。
The mixed fatigue and creep morphology reflected the influence of their interaction at high temperature.
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.
通过应用高温构件蠕变损伤的随机方程及一次二阶矩理论和方法，对高温构件的概率寿命预测进行了研究。
The probabilistic life prediction of high temperature components was studied by using the stochastic equation of creep damage and simple second-order theory and method of high temperature components.
蠕变损伤的概率计算将为高温构件可靠性评估奠定基础。
The probabilistic creep damage model would provide the effective means to assess the reliability of the high temperature components.
在高温下的蠕变和腐蚀气氛加快了磨损失效过程；
The creep-deformation and corrosion atmosphere accelerates wear failure course at the high temperature.
编制了有限元程序CCGC - 1以模拟计算高温材料蠕变裂纹的扩展。
A finite element program CCGC-1 is compiled to simulate the creep crack growth rate in materials working at elevated temperature.
对于以高温过热器为代表的炉内承压部件，其寿命损耗的主要方式主要是长期蠕变。
The pressure component inside the boiler, represented by superheater, whose main reason of life loss is long- term creep.
同时，对高温结构提出一种简便可行的蠕变恢复应力分析方法，并通过算例说明蠕变恢复的影响。
A simple and efficient analytical method of creep recovery stress is provided. The effect of creep recovery is demonstrated by a numerical example.
为评价高温和重载对沥青混合料变形特性的影响，对AC - 20级配的沥青混合料进行三轴重复荷载蠕变试验研究。
Triaxial repeated load creep tests are employed to evaluate the influence of high temperature and heavy load on the deformation property of AC-20 asphalt mixture.
实验和研究表明：基于经典弹塑性及蠕变理论的本构方程，非弹性应变在高温下其本质上是时间相关的。
The experimental and research results indicate that non-elasticity strain associate with time in nature according to constitutive equations of the classical elastic-plastic and creep theory.
K46合金的高温拉伸蠕变曲线表现出非常长的稳态蠕变阶段，而较高的蠕变塑性来自于加速蠕变阶段。
It is found that the creep curves of alloy K46 consist mainly of a longer steady-state creep stage and an accelerated creep stage, which occupies the most creep strain.
当金属在高温下受到应力时，就会发生蠕变。
Metals tend to creep when they are subjected to stress at high temperatures.
采用TMC -2复合材料研制的小余量叶片，在高温下具有优良的蠕变和热稳定性能。
Moreover, TMC -2 composite blades forged by this process have fine creep properties and thermo stability under high temperature.
文中根据概率计算的基本原理和高温构件蠕变损伤确定性解，得到蠕变损伤的概率方程。
Based on the principal of probabilistic calculation and deterministic solution of creep damage of high temperature components, the probabilistic model of creep damage was obtained.
为探讨油石比和空隙率对沥青混合料高温性能的影响，对AC - 20改进型沥青混合料进行单轴静载蠕变试验研究。
A static uniaxial creep test is implemented to investigate the influence of the void ratio and the asphalt-aggregate ratio on the stability at high temperature of modified AC-20I asphalt mixture.
介绍了电厂检测高温管道蠕变裂纹所采取的手段。
The ordinary method for check of creep crack was illustrated.
因此，用高温高压蠕变实验结果直接外推解释岩石圈流变时存在若干问题。
Therefore, when we use creep experimental results obtained under high temperature and pressure to directly extrapolate and explain lithosphere rheology, we can make some mistakes.
进行316L不锈钢在单级和两级载荷作用下的高温疲劳蠕变试验，研究了载荷历程效应对材料行为的影响。
High temperature fatigue creep test of 316l stainless steel under 1-step and 2-step load was conducted, the influence of the load history on material behavior was investigated emphatically.
经过对螺栓的服役条件以及工作中受力情况进行分析，认为螺栓断裂主要是由于长时间在高温条件下发生蠕变导致的。
Work condition and force acting of the bolt were analyzed. The bolt failure was creep fracture mainly due to their high temperature work condition.
在工业生产过程中，许多设备长期处于高温工况，金属材料极易发生蠕变。
A lot of industrial equipment are in operation under high temperature condition. So the metal materials are easy to cause creeping.
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