1) creep life
蠕变寿命
1.
Creep tests of P91 base material and its welds have been carried out,the creep behavior of P91 studied and creep rupture strength extrapolated by the Isothermal and the L-M parameter methods,followed by creep life estimations of P91 fresh steam pipes.
对P91钢母材和焊接接头进行持久试验,研究P91钢的蠕变特性,采用等温线法和L-M参数法对持久强度进行外推,进而对P91钢制主蒸汽管道的蠕变寿命进行估算。
2.
The causes of rigidity change are concluded,and T92 steel s approximate creep life is extrapolated based on rigidity method.
针对T92铁素体钢高温时效后的硬度变化进行了详细的实验分析研究,归纳了硬度变化的原因,并结合实验数据,根据硬度法外推出T92钢的大致蠕变寿命,认为T92钢能够满足超超临界机组600~650℃温度环境下的使用要求。
3.
Multi-axial creep testing methods are generalized,and then the method of how to evaluate the creep life of high temperature components based on creep testing data is presented.
综述了多轴蠕变的试验方法,并推荐了基于试验数据评价工程结构蠕变寿命的参考应力法。
2) creep rupture life
蠕变寿命
1.
Results indicate that the spreading area of the composite solder with 5% Ag particles is largest,the wetting angle smallest,and its creep rupture life longest,which is 23 times more than one of the matrix solder at the same experimental condition.
结果表明:当Ag含量(体积分数)为5%时,复合钎料铺展面积最大,润湿角最小,钎焊接头蠕变寿命最长,比基体钎料提高23倍。
2.
Creep rupture lifetimes of Cu particle enhancement SnPb based composite solder joints and the matrix solder joints are tested under different temperatures and stresses and the creep rupture mechanism is analyzed.
测定不同应力和温度下Cu颗粒增强复合钎料及基体钎料钎焊接头蠕变寿命,分析Cu颗粒增强复合钎料及其基体钎料63Sn37Pb钎焊接头蠕变断裂机理。
3.
The creep rupture lifetimes of Ag particle enhancement SnPb based composite solder joints and matrix solder joints were respectively tested under different temperatures and stresses,and the creep rupture mechanism was analyzed.
测定了不同应力和温度下Ag颗粒增强复合钎料及基体钎料63Sn37Pb钎焊接头蠕变寿命,分析了Ag颗粒增强复合钎料及基体钎料钎焊接头蠕变断裂机理。
3) residual creep life
蠕变剩余寿命
1.
A method of predicting the residual creep life of aluminum alloy 2A12 by using indentation test method with flat cylindrical indenters was proposed.
基于平头压痕理论和蠕变损伤理论,提出了采用平头压痕试验和拉伸蠕变试验相结合的方法来确定铝合金2A12的蠕变剩余寿命。
4) creep rupture life
蠕变断裂寿命
1.
In this paper the effect of Ce-La mixed RE content and environment conditions on the creep rupture life of Sn2.
7CuxRE钎料钎焊接头蠕变断裂寿命的影响。
2.
Based on an advanced neural network method and a huge number of creep rupture life data of nickel base single crystal superalloys, an artificial neural network model is constructed to predict creep rupture life for different types of nickel-base single crystal superalloys.
根据大量镍基单晶高温合金在不同温度和应力下的蠕变断裂寿命数据,采用一种先进的人工神经网络方法建立运算模型,对合金在不同实验或运行条件下的蠕变断裂寿命进行了预测,并将测算结果与现有其它方法进行了比较。
3.
Based on experimental data, an artificial neural network method is used to develop a model to predict the creep rupture life of different types of nickel-base wrought superalloys.
在试验数据的基础上,利用人工神经网络建立不同成分镍基变形合金的不同温度,外应力与蠕变断裂寿命之间关系模型,并进行网络训练,对合金的蠕变断裂寿命进行模拟。
5) creep/fatigue life ratio
疲劳/蠕变寿命比
补充资料:次级蠕变
分子式:
CAS号:
性质:又称二次蠕变。是一级蠕变后随着时间的变化以一定比例增大变形量的一段区域。是比较稳定的变形区,撤销应力后不能恢复弹性的永久形变。对于黏弹性材料例如高聚物,在一定的负荷和温度下发生的蠕变的形变随时间而增加,一般可分为几个不同的阶段如图所示(图暂缺):AB段是瞬时弹性部分;BC段是延迟弹性部分,也称为一级蠕变或初级蠕变(primary creep);CD段称次级蠕变,是发生黏性流动的形变部分。
CAS号:
性质:又称二次蠕变。是一级蠕变后随着时间的变化以一定比例增大变形量的一段区域。是比较稳定的变形区,撤销应力后不能恢复弹性的永久形变。对于黏弹性材料例如高聚物,在一定的负荷和温度下发生的蠕变的形变随时间而增加,一般可分为几个不同的阶段如图所示(图暂缺):AB段是瞬时弹性部分;BC段是延迟弹性部分,也称为一级蠕变或初级蠕变(primary creep);CD段称次级蠕变,是发生黏性流动的形变部分。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条