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1)  long term rupture strength
持久断裂强度
2)  creep rupture strength
蠕变断裂强度,持久强度
3)  creep-rupture test
蠕变断裂试验,持久强度试验
4)  rupture strength
持久强度
1.
A statistical analysis method based on Z-parameter to assess rupture strength of a high temperature steel is proposed,where parameter Z describes the degree of deviation of experimental data from the Larson-Miller curve.
提出一种基于Z参数的耐热钢高温持久强度可靠性分析方法。
2.
The paper explores the effect of the heat treatment temperature on the rupture strength of P91 steel welding joint.
探求了热处理温度对P91钢焊接接头持久强度的性能影响。
3.
A statistical analysis method based on Z-parameter to assess rupture strength of a high temperature steel is proposed,where parameter Z describes the degree of deviation of experimental data from the Larson-Miller curve.
提出一种基于 Z 参数的耐热钢高温持久强度可靠性分析方法。
5)  creep rupture strength
持久强度
1.
Effect of Solution Heat Treatment on Creep Rupture Strength of Steel 1Cr19Ni11Nb;
固溶热处理对1Cr19Ni11Nb钢持久强度的影响
2.
Then,the creep rupture strength experiment at high temperature of 350 ℃ is carried out according to the GB6395-86 Metallic Materials Stress Rupture Testing at elevated temperature.
按GB6395-86《金属高温拉伸持久试验方法》标准规定对该合金进行了350℃下的持久强度试验。
3.
Low circle fatigue properties、fatigue crack propagation rates (at room temperature、550℃、575℃)、creep rupture strength (at 550℃、575℃) on weld joints of P91 pipe was investigated to study the temperature's influences on their behaviours.
测试了P91大口径钢管以及其焊接头在三个不同温度 (室温、5 5 0℃、5 75℃ )下的低周疲劳、疲劳裂纹扩展速率和 5 5 0℃、5 75℃持久强度 ,以研究分析温度对其低周疲劳特性、疲劳裂纹扩展、持久强度的影响 ,并了解焊接头与母材之间的差异。
6)  sustained strength
持久强度
1.
The chemical composition, mechanical property, microstucture and sustained strength of T91 steel tube for 60.
3×8mm的T91钢管进行了化学成分、力学性能、金相组织、持久强度的试验,并对母材及手工氩弧焊接头的T91钢管进行了时效试验和时效后的力学性能、金相组织测定。
2.
The mechanical properties, serial impact and sustained strength of the welded joint aged at 650 ℃ for long-time of E911 steel produced by German Vallourec & Mannesmann were tested, optical microscope, transmission electron microscope (TEM) and scanning electron microscope (SEM) were used to observe and analyze the microstructures and the fracture apptarance.
对德国Vallourec & Mannesmann公司生产的E911钢焊接接头在650℃长期时效后进行了力学性能、系列冲击试验,并对E911钢焊接接头在650℃高温持久强度进行了测试。
3.
It is measured by this thesis that the chemical composition, mechanical property, microstructure and sustained strength of T23 steel tube.
本文对T23钢母材及焊接接头进行了力学性能、显微组织、持久强度的分析和试验,研究了T23钢母材及手工氩弧焊焊接接头的高温性能。
补充资料:蠕变断裂
分子式:
CAS号:

性质:又称蠕变破坏。材料在正常的拉伸强度下,由于连续地施加应力所引起的断裂。这是由于该材料的黏弹性行为造成的。它和所受应力的大小、环境温度、内部应变大小、有无应力集中等因素有关。在测定材料蠕变断裂全过程所得时间即为蠕变断裂寿命,是材料蠕变、稳定蠕变和加速蠕变三个阶段。当作用应力足够小时,虽经足够长时间而仍不出现加速蠕变的第三阶段,该值即称作持久强度极限。所有这些参数都是温度的函数。温度升高,蠕变断裂寿命缩短,持久强度极限降低。

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