1)  constant stress life test
恒加寿命试验
1.
With the data of random censoring constant stress life test,the estimation of Bayes of three parameters is derived when the 3 parameter Weibull distribution is under the condition of squares loss.
利用随机截尾恒加寿命试验所获的数据,导出了三参数Weibul分布在平方损失下,三个参数的Bayes估计,进一步估计了在正常应力水平下的各种可靠性指
2)  acceleerated life test
定时截尾恒加寿命试验
3)  constant loading force
恒加载力
1.
Rough grinding with constant loading force and high-speed heavy-duty is the basic process for large steel conditioning and heavy roll rough machining.
恒加载力高速重负荷荒磨是大型钢坯修磨和重型轧辊粗加工的基础工艺。
4)  Constant acceleration
恒加速度
5)  Stress Accelerated Life Testing
恒加试验
1.
The paper first introduces the present lifetime estimation statistical analysis and its shortage of constant stress accelerated life testing,then proposes a new method based on the residual GM(1,1) model.
介绍了目前恒加试验中,正常应力水平下特征寿命点估计的数据统计分析方法及其不足。
6)  constant-stress accelerated life test
恒加试验
1.
In order to shorten the time of fouling test, fouling-life was defined, The statistical analysis method for censored exponential life data under constant-stress accelerated life testing models was given.
为缩短渐近污垢试验时间,本文定义了污垢寿命,利用恒定应力加速寿命试验(简称恒加试验),基于定数截尾 指数寿命统计分析方法,求得加速系数a, b近似最小二乘估计,然后由加速模型求得在正常应力水平下的平均寿命估 计。
2.
Basing on the conclusion of others on single stress accelerated life test for Weibull distribution, the paper analyses the data on double stress accelerated life test for Weibull distribution and gives the statistical methods of constant-stress accelerated life test ( including type I censored and type II censored ) and step-stress accelerated life test.
本文在前人对Weibull分布下单应力加速寿命试验数据的统计分析基础上,对Weibull分布下双应力加速寿命试验数据的统计分析作了较为全面的探讨,给出了双应力恒加试验(包括定时截尾和定数截尾两种情况)及双应力步加试验(包括交叉步加试验和分组步加试验)下数据的统计分析方法。
参考词条
补充资料:恒应变试验
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性质:测试应力腐蚀破裂性能的一种方法。用机械手段将试样弯至预定形态如U形、C形、弯梁形等,用卡具保持恒定变形。在试验溶液(也可以是标准溶液,如沸腾氯化镁)中浸泡后,用金相显微镜检查裂纹的生成及形态。其优点是简单易行,缺点是裂纹产生后会引起应力松弛。此外,在确定最初出现裂纹的时间时,需要经常定期将试件从溶液中取出观察。

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