2) cycle characteristic
循环特性
1.
The result showed that the low-cycle fatigue cycle characteristic of the material is cyclic softening under the experimental condition and the softening velocity increases with the increasing of strain amplitude.
对利用驰豫-析出-控制相变(TMCP+RPC工艺)技术获得的800MPa级超细晶粒低合金高强度钢的低周疲劳性能进行了测试,并对其循环特性和疲劳断口进行了观察和分析,发现该材料为循环软化,而且随着应变幅的提高,材料的软化速率逐渐增大。
2.
Analysis of cycle characteristics of 9Ni steel showed that,for all three kinds of heat treatment,there was no obvious cyclic softening phenomenon or cyclic hardening phenomenon at low strain amplitude;however, the fatigue cyclic characteristics of 9Ni steel were all cyclic softening at high strain amplitude,and in which it was most serious for QT1.
通过对循环特性的分析发现,三种热处理制度下,9Ni钢在低应变幅下都未表现出明显的循环软化或循环硬化现象;而在高应变幅下均表现为循环软化,其中热处理制度QT1循环软化最为严重。
3) cyclic characteristics
循环特性
1.
The plastic deformation of the main parts of the automotive chain and the cyclic characteristics of its wear surface were investigated.
通过汽车发动机总成试验,研究了汽车链的磨损机制和磨损伸长率,分析了销轴和套筒磨损表面的微观形貌和滚子材料的金相组织,探讨了汽车链主要零件的塑性变形和磨损表面的循环特性,并通过联结牢固度的压出力试验阐述了汽车链过盈配合表面的微动磨损现象及其原因。
6) cycle characteristics
循环特性
1.
This paper,taking a continuous heat recovery adsorption air-conditioning system/heat pump as study object,through dynamic analysis on system cycle characteristics,lists a series of dynamic equations about system main components such as adsorber,heat source,condenser,evaporator and so on.
以连续回热型吸附式空调 /热泵为研究对象 ,通过对系统循环特性的分析 ,给出了吸附床、热源、冷凝器、蒸发器等主要部件的动态方程 。
补充资料：循环变动
循环变动又称周期波动，是指现象在为期较长的时间内呈现出的跌宕起伏。它不同于趋势变动，不是朝着单一方向的持续运动，而是呈现涨落相问的波浪式起伏变动。它也不同于季节变动，季节变动也是有高有低的交替变动，但季节变动有比较固定的规律性，且变动周期一般在1年以内；循环变动的规律不那么固定，变动的周期通常在1年以上，周期的长短、变动形态、波动有大小也不固定。例如产品通常有导入期、成长期、成熟期、衰退期、替代期等经济寿命周期；又如经济增长中繁荣%26mdash;衰退%26mdash;萧条%26mdash;复苏%26mdash;繁荣的循环，是最常见的循环波动。
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