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1)  stress rupture life
持久寿命
1.
The influence of rare earth cerium atom on the amount,morphology and distribution of the grain boundary phase of Fe-Cr-Ni-Nb-Ti-Al-W alloy was investigated,and the relationship between the above characteristics and the stress rupture lifes of the test alloys was discussed.
研究了稀土元素铈对铁基合金Fe-Cr-Ni-Nb-Ti-Al-W晶界析出相的数量、形貌、分布的影响及其与持久寿命的关系。
2.
365, the high temperature ductility and stress rupture life were reduced because large MC films, dendritic flake M6C and fine M23C6 films precipitated at grain boundaries.
008%时,因固溶B/C(原子比)很低,晶界析出大尺寸MC薄膜和M6C枝晶片以及薄膜状M23C6,不利于高温塑性和持久寿命
3.
The stress rupture life is found to be remarkably improved with Re addition but the strengthening effect .
结果表明:在高温高应力条件下,随合金中Re含量的单独增加,合金高温高应力持久寿命提高,而单位质量Re元素的强化作用减弱;合金Cr含量对合金高温高应力持久寿命有显著影响,Re含量增加的同时适当降低合金Cr含量,可使合金获得较高的持久寿命
2)  endurance life
持久寿命
1.
The endurance life and fracture behaviors of directionally solidified superalloy DZ4 after pre-deformation and heat treatment were tested and analyzed.
对定向凝固DZ4合金机械预变形和热处理后的持久寿命与断裂行为进行了测试与分析,研究了再结晶对定向凝固DZ4合金持久行为的影响机制。
2.
We select material from representational part of turbine blade in order to increase the reliability of design parameters and design method for endurance life of turbine blade,.
某定向结晶镍基高温合金用于制造我国目前最先进的某在研型号发动机的高压涡轮叶片,为了提高该涡轮叶片持久寿命设计参数选取和设计方法的可靠性,从涡轮叶片代表性部位取材并设计、加工试验试件。
3)  short-term creep rupture life
短时持久寿命
1.
The relationship between high-temperature short-term creep rupture life and microstructures of GH586 alloy has been investigated by heat treatment.
通过改变热处理制度使合金获得不同的显微组织 ,研究了GH5 86合金高温短时持久寿命与显微组织的关系。
4)  creep-rupture life prediction
持久寿命预测
5)  creep life model
蠕变持久寿命模型
1.
The double shear creep specimens have been applied to validate the raftin g prediction criterion and creep life models.
利用双剪切蠕变试样在受剪切区的筏化试验结果和不同晶体取向试样的蠕变持久寿命试验结果,对镍基单晶合金的蠕变筏化预测模型和蠕变持久寿命模型进行考核,证实此2个模型的合理性。
6)  durability life
耐久寿命
1.
Concrete durability life prediction is an important subject to concrete durability research.
混凝土耐久寿命的预测是混凝土耐久性研究的一项重要课题,本文综合介绍了目前国内外有关混凝土耐久寿命预测的重要理论方法与实践,并简要论述了各种研究方法的优缺点。
补充资料:持久络合物
分子式:
CAS号:

性质:又称持久络合物。其寿命较自身转动周期为大的活化络合物(过渡态)。它从形成到进一步分解为产物,经历了“相当长”的反应时间,忘记了形成前的初始信息。因而,产物散射角度是随机的、各向同性的。如反应O+Br2→OBr+Br为向前向后散射,属于复合型反应,内能态可以改变。

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