屈服点
- yield point;proof stress;breakdown point
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3D机织复合材料的拉伸曲线无屈服点,是脆性材料;
There is no yield point strength at load-displacement curves of all kinds of 3D woven composites , which shows that the composites are brittle material ;
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在施行高碳低锰工艺,wMn在1.00%~1.19%范围内时,碳成分按国标上限的工艺可基本解决无屈服点问题。
When putting high carbon and low manganese process in force , the problem without yield point can be resolved basically as the manganese mass fraction is within the range of 1 percent to 1.19 percent and the carbon content is up to the limit of national standard .
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SAS在优化CQ级屈服点研究中的应用
Application of SAS tools to increasing yield strength of grade CQ
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指出测定C级钢拉伸试样屈服点时,用载荷停顿法或指针法,屈服现象不明显,只有图解法可一次测出未知屈服指标。
It was pointed out that in tensile test with specimen of C-grade casting steel , the load-halt method or the judgment from the pointer swing of strain instrument could not give clearly the yield point except the graphical analysis method .
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结果表明:MDF厚度方向单向承压时,应力-应变关系的线性段与非线性段之间无屈服点;
The study result shows that the stress-strain curve of MDF is no yielding point between the linear and the non-linear elasticity part .
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这种FRP缠绕筋的拉伸性能呈明显的双线性,即应力在通过名义屈服点后,继续按线性规律随应变的增加而增加,直至应变达到极限。
After initial linear elastics up to a nominal yield point , tensile stress still increases in a linear manner with the increasing strain before reaching the high ultimate strain .
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采用光学显微镜和电子透射显微镜观察等方法,研究了时效处理对Nb微合金化钢筋组织与性能的影响,并着重分析了Nb微合金化钢筋屈服点不明显的原因。
The effects of aging treatment on structures and properties of Nb microalloyed reinforced bar were studied by optical microscope and TEM , and the cause of no-yield point was analyzed primarily .
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但是,FRP筋是弹性体,到达抗拉极限强度时突然断裂,用于普通混凝土梁时,没有屈服点和塑性阶段,会发生脆性破坏。
However , as a type of elastic material , its sudden rupture without any yielding point or plastic property in the ultimate stage of tension will cause the unexpected failure of flexural members .
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力学测试结果表明,当PPC质量分数超过20%时,可以看到明显的屈服点。
Mechanical test results showed when the content of PPC was up to 20 % , the yielding point , necking and strain-whitening could be observed during tensile process .
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当辐照时间达144h后,由于HDPE热稳定性明显变差,共混物韧性突降,拉伸应力-应变曲线上未出现屈服点。
As irradiation time over 144 hours , the toughness of the blends , however , drops abruptly because of serious irradiation damage of HDPE .
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在氢含量高于18.7cm~3/100g以上时,下屈服点和Lüders带消失。
The lower yield point and Luders band disappear when the hydrogen content exceeds 18.7cm ~ 3 / 100g .
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方法对改良AO外固定器进行了5种构型的刚度、屈服点测试,检测指标为抗轴向压力、扭转力、前后弯曲力和侧方弯曲力。
Methods The rigidity and the load of yield of five configurations of the modified AO fixator were investigated on the characteristics such as axial compression , torsion , anterior posterior bending , and medial lateral bending .
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与传统的预应力钢筋相比,AFRP筋材的短期力学特性主要有:(1)应力-应变关系近于直线,没有屈服点;
AFRP reinforcement have two characteristics of short-term mechanical behavior compared to steel bars : ( 1 ) Tensile stress-strain curve is close to a straight line and have no yielded point ;
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随着共混物中DP含量的增加,材料性质逐渐从弹性转变为塑性,屈服点出现,屈服和断裂强度增加,结晶度逐渐提高,伴随着相转变的发生。
With DP content increasing , yield point of the blends occurs and yield strength and strength at break gradually increase , indicating the gradual transition from elastomeric to plastic properties as a result of the phase invertion and elevation on the crystallinity of the blends as DP is added .
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计算结果表明,对于超固结土,固结阶段内的非线性流变特性要更加明显;采用非线性流变模型能够更好的模拟Imai等(1992)采用特殊压缩试验得到的屈服点现象。
Analysis results show that nonlinear creep behavior during primary consolidation period is more apparent for over-consolidated soil and the nonlinear analysis method can give a good simulation of the yield point obtained by Imai et al ( 1992 ) in their special compression tests .
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连续退火冷轧双相钢板的屈服点延伸
The Yield-Point Elongation of Continuous Annealing Cold Rolled Dual-Phase Sheet Steel
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极低屈服点钢材在耗能减震控制中的应用
Practice of ultra low yield point steel in earthquake mitigation control
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不同屈服点钢筋混凝土梁性能试验研究
Experimental Study on Performance of Different Yield Points Reinforced Concrete Beam
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弹性限度、阳氏弹性系数及屈服点
Elastic limit , Yeung 's module of elasticity to yield point
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不同屈服点金属复合材料力学和阻尼性能研究
Research on the mechanical and damping capability of different yield metals
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低屈服点钢在建筑抗震设计中的应用
Application of Low Yield Point Steel in Design of Earthquake Resistant Buildings
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介绍螺栓连接屈服点拧紧法的特性及应用情况。
Finite element analysis of pneumatic cylinder bolt connection stress ;
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建筑抗震用低屈服点钢厚板的生产与应用
Manufacture and Application of Low Yield Point Steel Used For Earthquake Resistant
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滑动接触时轮轨内的屈服点
Yield Point Produced in Rail and Wheel by Slipping Contact
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热轧带肋钢筋屈服点不明显的成因分析
Cause analysis about yield point of hot-rolled reinforced bar being not so clear
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极低屈服点软钢阻尼器恢复力模型的研究
Study on hysteresis loops of dampers made of ultra low yield point steel
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低碳钢热轧盘条屈服点不明显的原因分析
Cause analysis of unobvious yield point of low carbon steel hot-rolled wire rod
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虽然没有屈服点,我们必须明确。
Although there is no yield point , one needs to be defined .
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螺栓连接屈服点拧紧法的可靠性分析
Reliability Analysis of Tightening Method of Bolted Joints up to the Yield Point
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发现胁强敏感度和屈服点温度受冷锻炼影响而下降,时间敏感度未表现明显变化。
Lower stress sensitivity and lower yield point temperature were found after cold hardening .