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   弯曲载荷作用 在 材料科学 分类中 的翻译结果: 查询用时:1.172秒
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弯曲载荷作用
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  bending load
    3. FEM analysis was used to quantitatively study the stress distribution at the cross sections of the NiTi wires and the influence of the TiC inclusions on the fracture behaviour under bending load.
    3.分析了在弯曲载荷作用下,NiTi合金丝的超弹性行为。
短句来源
    4. A pre-twist was added to analyze the mechanical behaviour of NiTi wire under bending load.
    4.对预加扭曲载荷的NiTi合金丝在弯曲载荷作用下的力学行为进行了模拟。
短句来源
    Fracture process of WC base steel-bonded carbide under the condition of three-point bending load was observed with microscope.
    用金相显微镜观察了WC系钢结硬质合金在三点弯曲载荷作用下的一断裂过程。
短句来源
  bending loads
    Proceeding from the experimental observation that circumferentail crack growth inpipes with through-wall circumferential crack subject to bending loads is associated with a constant crack tip opening angle,the JR curve is predicted in terms of the pipe and crack parameters The predictions copmare with experimental results for 103mm diameter pipes containing cracks with different sizes.
    含周向穿透裂纹管道在弯曲载荷作用下,实验观察到保持常量的裂纹尖端张开角与裂纹沿周向稳定扩展量有关,根据管道的裂纹角及几何参数预测了管道的JR阻力曲线,并与实验结果进行了比较。
短句来源
    Local buckling of delaminated laminates subjected to bending loads frequently bring about snap-through buckling, which often causes delamination growth and leads the structure to failure.
    含脱层的复合材料层板承受弯曲载荷作用会产生跳跃失稳,还常常引起脱层扩展,从而导致结构失效。
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  “弯曲载荷作用”译为未确定词的双语例句
    Ratcheting of pressurized straight pipes and elbows made of S20C wereexperimentally studied with multiaxial fatigue testing system and aquasi-three-point bending apparatus for straight pipe and in-plane bendingapparatus for elbow were designed.
    利用自行设计的直管准三点弯曲实验装置、弯管面内弯曲加载装置,采用电阻应变法,在多轴疲劳实验机上对循环弯曲载荷作用下的20#钢内压直管、弯管进行了棘轮效应研究。
短句来源
    It is found that ratcheting boundary determined by EPFEA(Elasto-Plastic Finite Element Analysis) with Modified Jiang-Sehitoglu modelby ratcheting rate control method suggested by C-TDF divides the shakedownregion well.
    对于循环弯曲载荷作用下的内压直管,讨论了确定棘轮边界的现有规范及方法,发现采用修正的Jiang-Sehitoglu模型按C-TDF方法确定的棘轮边界线能够较好地界定安定区。
短句来源
    Ratcheting boundaries were determined for E90L, E90S and E45L. Based on the equal-strength of pressurized elbow, the theoretical equalstrength thickness distribution was deduced and an ideal thickness distributionwas suggested with the consideration of elbow processing characteristics.
    采用修正的Jiang-Sehitoglu模型按C-TDF方法确定了面内循环弯曲载荷作用下内压弯管E90L、E90S及E45L的棘轮边界。
短句来源
    The oxidation-characteristic temperatures (OCT), such as oxidation threshold temperature (OTT), most sensitive temperature of defect oxidation (DOMST) and sufficient defect healing temperature (SDHT), are measured and approach to 450°C, 800°C and 1300°C, respectively.
    弯曲载荷作用下的等温应力氧化研究表明,弯曲载荷对涂层C/C的氧化具有明显加速作用,结果造成缺陷氧化敏感温区宽化,缺陷氧化最敏感温度升高至900℃,涂层的防护寿命大大降低;
短句来源
    The authors observed the fracture process of WC-steel composite material GTW50 in different states of heat treatment, using three-point bend specimens with optical microscope, SEM was used to analyse fractograph.
    本文用光学金相显微镜在三点弯曲载荷作用下,观察了不同热处理状态的WC-钢复合材料GJW50断裂全过程; 用扫描电镜进行了断口分析。
短句来源
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  bending load
The smart behavior of cement-based composite containing Carbon fibers under three-point-bending load
      
In this paper fatigue strength of T-type tubular joints subjected to in-plane bending or out-of-plane bending load is investigated.
      
In this paper, mechanics analysis for crack tip fields of linear elastic orthotropic composite plate under symmetric bending load was done.
      
Random fatigue of welded K-type tubular joints subjected to axial or out-of-plane bending load is analyzed.
      
Random fatigue of welded K-type tubular joints subjected to axial or out-of-plane bending load is analyzed.
      
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  bending loads
From the experimental results, it was found that the strengths of the bulky adhesive joints with ABCs increased considerably when they were subjected to external tensile loads or lateral bending loads.
      
However, it presents extremely slow oscillatory iteration histories for plate-thickness design problems that involve transverse bending loads.
      
Modification of the basic algorithm presented in this paper provides an effective remedy to this problem when both membrane and bending loads are present.
      
Evaluation of linear and non-linear viscoelastic bending loads of wood as a function of prescribed deflections
      
The massive bone transplant was fixed with screws opposite the plate in order to diminish harmful bending loads.
      
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The authors observed the fracture process of WC-steel composite material GTW50 in different states of heat treatment, using three-point bend specimens with optical microscope, SEM was used to analyse fractograph. The results of the observations of the fracture process show that with the load increased,the tensile strain on the underneath surface of the specimens is increased gradually, and that fracture ensues when the strain reaches a critical value. The microcracks begin to occur predominantly at the larger...

The authors observed the fracture process of WC-steel composite material GTW50 in different states of heat treatment, using three-point bend specimens with optical microscope, SEM was used to analyse fractograph. The results of the observations of the fracture process show that with the load increased,the tensile strain on the underneath surface of the specimens is increased gradually, and that fracture ensues when the strain reaches a critical value. The microcracks begin to occur predominantly at the larger WC partcles, the interface and cavities of aggregated WC particles. The increase in strain rate leads to coalescencing of microcrack at the cracked WC particles, at the same time a fracture process which smaller WC particles begin to appear. When the tensile strain is increased further, the previous crack will concentrate stress and deformation ahead of itself recreating more voids and expanding them.Finally, three possible propagation ways are described.

本文用光学金相显微镜在三点弯曲载荷作用下,观察了不同热处理状态的WC-钢复合材料GJW50断裂全过程;用扫描电镜进行了断口分析。结果表明,随着外加载荷增大,试样下表面张应变量ε_θ增大,当达到最大张应力时便产生显微裂纹。其显微裂纹总是在粗大的WC粒子和硬质相WC聚集区的WC粒子间界面以及孔隙处优先萌生。随着应变量增大,已开裂WC粒子中的微裂纹张开粗化,与此同时,尺寸较小的WC粒子开始产生微裂纹;应变量进一步增加,已开裂WC粒子的裂纹进一步张开,向前发生扩展。并对其扩展的可能途径进行了研讨。

Fracture process of WC base steel-bonded carbide under the condition of three-point bending load was observed with microscope. Experimental results show that under the influence of opplied load cracks begin to occur in large WC grAlN aggregaling area of WC, interface of WC and cavities. With the increase of strAlN, the cleavage cracks in craked WC particls lead to coarsening, meanwhile, fracture process in smaller WC Particles appears.Cracks extend along the interface between WC particles and pass through steel...

Fracture process of WC base steel-bonded carbide under the condition of three-point bending load was observed with microscope. Experimental results show that under the influence of opplied load cracks begin to occur in large WC grAlN aggregaling area of WC, interface of WC and cavities. With the increase of strAlN, the cleavage cracks in craked WC particls lead to coarsening, meanwhile, fracture process in smaller WC Particles appears.Cracks extend along the interface between WC particles and pass through steel matrix binder phase, a thin layer between WC particles. The cracks will further extend along interface between WC Particles or secondary cabides and steel matrix, and then tear away steel matrix phase, until the specimens completely break, On the basis of observing breaking process and analysizing the fracture surfaces of the specimens.The micro-fractural mechanism of WC base steel-bonded carbide has been discussed and the wags for improving fragile resistance and preventing premature break.

用金相显微镜观察了WC系钢结硬质合金在三点弯曲载荷作用下的一断裂过程。试验结果表明,在外加载荷作用下,裂纹茵先在WC相粗大粒子和碳化物偏集区WC相粒子界面及碳化物偏集区的孔隙处萌生;随着应变量增大,已开裂WC相粒子中的解理裂纹张开粗化,与此同时较小的WC相粒子发生开裂;裂纹沿WC相与WC相粒子界面扩展,并穿过WC相粒子间的钢基体相薄层,然后裂纹沿WC相或二次碳化物粒子与钢基体相交界面扩展并撕裂钢基体相,最终导致试样完全断裂。作者根据对断裂过程的观察和断裂试样断口的分析结罘,讨论了WC系钢结硬质合金断裂的微观机制,并提出了提高材料抗脆性断裂能力和防止早期破裂的途径。

In this paper, the author presented a theory of bending for thelaminated composite plates. The theory shows that the model of transverse shearingstress is derived if the distribution of displacement of each lamina is assumed.Also, the governing equations are formulated. The approachable accuracy is ascer-tained by comparing the solutions in the present theory to the exact one of elas-ticity.

对在弯曲载荷作用下的复合材料层合板,提出了一种考虑横向剪切变形的解析解法。在分析中,假定位移沿板厚为分段线性的连续函数,横向剪应力由弹性力学平衡微分方程积分得到,再将位移表示的内力代入板的平衡方程直接给出求解问题的基本方程。算例表明,用本文方法计算位移和应力都具有较高的精度。

 
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