The conclusion that martensite and its tempering structure have more sensibility is obtained through sensibility test of high strength bolt delayed fracture under the conditions of different materials,different heat treatment pro.
延迟开裂是高强度螺栓等汽车零件重要失效形式之一,具有广泛性和多发性,有效地控制和防范延迟开裂的发生,在工程上有着非常重要的意义和技术指导性。
Based on the semi-circular bending test,the delayed cracking properties of asphalt mixture,a typical viscoelastic-plastic material,are evaluated using the J-integral theory and the delayed-cracking initiation time.
文中通过半圆弯拉试验,采用J积分理论和延迟开裂时间评价其延迟开裂性能,测得在不同荷载水平和不同试验温度下沥青混合料的延迟开裂时间,以及不同试验温度下的断裂韧度,研究其裂缝起裂规律。
Sensitivity experiments of delayed cracking in high strength bolt were performed with different materials,thermal treatment technics and stress intensity.
通过对不同材料、不同热处理工艺、不同应力下的高强度螺栓延迟开裂的敏感性试验,得出了马氏体及其回火组织有较强延迟开裂敏感性的结论,同时提出了晶界滑移和低温蠕变的机理,并给出了延迟开裂的静疲劳曲线。
In situ observation of delayed propagation of unloaded indentation crack in humid air, as well as delayed domain change and delayed cracking induced by constant magnetic field in humid air for (Tb, Dy)Fe2 magnetostrictive alloy have been investigated using differential inference contrast microscope.
对(Tb,Dy)Fe2超磁致伸缩合金,用微分相衬显微镜原位研究了应力和磁场引起的畴变、卸载压痕裂纹在湿空气中的滞后扩展以及在湿空气中恒磁场引起的滞后畴变及滞后开裂。
The purpose of the present study was to investigate critical temperature for initiating and arresting delayed hydride cracking in Zr-Sn-Nb alloy.
1Cr)发生氢致延迟开裂(DHC)临界最大开裂温度(T_c)和临界最小止裂温度(T_h)随氢含量的变化规律;同时对裂纹尖端偏聚氢含量及静水应力和发生DHC的临界氢含量进行了理论分析,建立理论模型对临界温度进行理论计算。
STUDY OF THE CRITICAL TEMPERATURES FOR DELAYED HYDRIDE CRACKING IN N18 ZIRCONIUM ALLOY
N18锆合金氢致裂纹延迟开裂临界温度研究
Delayed when closing;Delayed when re-opening;Delayed when closing and re-opening
闭合时延迟;再次断开时延迟;闭合和再次断开时延迟
Delayed Crosslinking of Fracturing Fluids Caused by Sufactants
表面活性剂对压裂液延迟交联的影响
Delayed Crack and Stress Corrosion Crack of High Strength Low Alloy Steel
低合金高强钢的延迟裂纹和应力腐蚀裂纹
Reason Analyzed and the Precaution Measures About Delayed Cracking Appears on Cast Aluminum Alloy Housing
铸铝合金壳体产生延迟裂纹的原因分析及对策
The opening of the exhibition has been postponed.
展览会开幕的日期延迟了。
independent heating
独立加热法 -热时间延迟开关用
" Thermal time delay switch, Generic specification of"
GB/T14280-1993热时间延迟开关总规范
Customize the way your Up/Down control repeats.
自定义开始重复之前的延迟时间。
The Development of Flexible Calculation System on Delayed Coking Drums;
延迟焦化焦炭塔软测量系统软件开发
Over-expression of AT-hook Gene AHL27 Can Delay the Flowering of Arabidopsis
AT-hook基因AHL27过量表达延迟拟南芥开花
The Research on Defer Developing of Real Estate Based on B-S Model
基于B-S模型的房地产延迟开发研究
Late onset globe rupture after radial keratotomy
放射状角膜切开术后迟发性眼球破裂
keep sth off or away;delay sth,esp temporarily
挡开或避开某事物;延迟某事物(尤指暂时)
RESEARCH ON OPTIMIZING DELAYED COKING PROCESS WITH ETHYLENE TAR BLENDED FEED BY RESPONSE SURFACE METHODOLOGY
响应面分析法优化掺炼乙烯裂解焦油的延迟焦化研究
A Study on Delayed Fracture Resistance of Low Carbon Nb-V Microalloying High Strength Cold Heading Boron Steel
低碳Nb-V微合金化高强度冷镦硼钢耐延迟断裂性的研究
stave off disaster, danger, bankruptcy, the pangs of hunger
避开灾难、 躲过危险、 防止破产、 延迟饥饿的折磨.
Some of the money will be deferred for luxury tax purposes.
为了避开豪华税,一部份的薪水将会延迟给付。
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