1) cyclic stress range
名义应力范围
1.
By low cycle fatigue experimentation of 316L steel under stress control at elevated temperature, relations between modules of elasticity, total strain range, plastic portion of strain range, plastic portion of cyclic strain energy density, mean strain and cycles, cyclic stress range was discussed to provide base for the future research works of life evaluation.
通过对 316L钢在 4 2 0℃环境下应力控制的低周疲劳实验 ,揭示和分析了 316L钢在 4 2 0℃环境下的弹性模量、全应变范围、塑性应变范围、塑性应变能及平均应变随加载历史和名义应力范围的变化特性 ,为以后的寿命评估模型提供依
3) nominal stress
名义应力
1.
Study of fatigue strength assessment methods of welded structures based on nominal stress;
基于名义应力的焊接结构疲劳强度评定方法研究
2.
The fatigue strength of duplex stainless steel welded jointing with longitudinal fillet welded gusset and with longitudinal flat side gusset welded on plate were evaluated by hot spot stress,and the hot spot stress S-N curves were obtained and compared with the nominal stress S-N curves.
针对双相不锈钢焊接结构的疲劳性能问题,通过试验对双相不锈钢纵向角接板焊接接头和侧面角接板焊接接头疲劳强度用热点应力进行了评定,做出了热点应力S N曲线并与名义应力疲劳评定进行了比较。
4) nominal stress approach
名义应力法
1.
On the basis of calculation results,fatigue life was estimated by nominal stress approach.
根据计算结果,采用名义应力法对紧固孔的疲劳寿命进行了估算。
2.
The nominal stress approach and the accumulative damage theory are adopted in order to analyze the buried pipeline fixing sector.
针对原油顺序输送埋地直管道的嵌固段,采用名义应力法和累计损伤理论进行管道疲劳寿命分析,得出埋地直管道交变热应力对管道寿命的影响较小,停启对管道寿命影响较大。
3.
The life prediction methods of notched specimen are reviewed,especially on nominal stress approach,local stress-strain method and stress field intensity approach.
概述了含缺口构件疲劳寿命预测方法,重点介绍了名义应力法、局部应力-应变法和应力场强法,总结了这些方法预测含缺口构件疲劳寿命的原理、应用方法、适用范围、优缺点,并介绍了近几年来这些预测方法在国内外的研究现状和进展。
5) nominal tensile stress
名义拉应力
1.
Two pieces of improvement on the crack width control method using nominal tensile stress for prestressed concrete flexural member;
对用名义拉应力控制预应力混凝土受弯构件裂缝宽度方法的2点改进
2.
Finally a modified nominal tensile stress was proposed.
通过采用不同规范规定的预应力梁裂缝计算方法计算分析,指出混凝土规范方法和名义拉应力法之间的差别,并通过计算给出了修正的名义拉应力供设计人员参考。
3.
Secondly, on the basis of research results, through calculation analysis, creates a simplified method of the width control of cracking in BUPC structures by nominal tensile stress and provides the recommendation of cracking -control and checking calculation in BUPC structures.
本文首先通过大量的调查研究提出了无粘结预应力混凝土（ＢＵＰＣ）结构裂缝控制建议；然后，以已有研究成果为基础，通过计算机模拟分析，建立了用名义拉应力控制ＢＵＰＣ结构裂缝宽度的简化方法；最后给出了ＢＵＰＣ结构裂缝验算建议。
6) nominal stress method
名义应力法
1.
A factor of friction power is considered during fatigue,and a new model for predicting fretting fatigue life under low cycle load is presented based on a nominal stress method.
在低周疲劳寿命预测方法中,通过引入摩擦功因子,考虑微动作用对构件疲劳寿命的影响,对传统的名义应力法进行改进,以用于构件的低周疲劳寿命预测。
2.
According to the working features of port crane,safe life prediction process of crane metal structure based on nominal stress method is introduced in this paper.
结合港口起重机的工作特点,介绍了基于名义应力法的起重机金属结构安全使用期估算方法与步骤,并对构件S-N曲线的确定和应力数据的采集处理进行了研究。
3.
The conclusion showed that local stress-strain method is more accurate and reliable than nominal stress method and we used the example to prove the correctness of the conclusion.
评述了两种估算方法的估算步骤和特点,对两种方法在疲劳估算寿命的可靠性上做了一个简单的比较,对比结果表明:局部应力应变法比名义应力法有较高的精度和可靠度,通过实例验证了结论的正确性。
补充资料：应力范围
分子式：
CAS号：
性质：疲劳试验循环中，最大应力和最小应力的代数差值。是反映试验中所加交变应力形式的一个参数。疲劳试验中交变应力形式所起作用见应力比。
CAS号：
性质：疲劳试验循环中，最大应力和最小应力的代数差值。是反映试验中所加交变应力形式的一个参数。疲劳试验中交变应力形式所起作用见应力比。
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