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悬臂弯曲
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  cracked cantilever beam bend
     An investigation has been made of stress corrosion crack(SC crack)subcritical stable propagation in low strength steel welded joint in boiling mixed nitrate solution by the use of pre cracked cantilever beam bend speciments. A J like parameter, J M integral, is employed to characterize the stress and strain at the SC crack tip and to predict the crack growth rate d a /d t .
     运用悬臂弯曲应力腐蚀破裂(SCC)试验的方法,研究了低强钢焊接接头的应力腐蚀裂纹(SCcrack)的亚临界稳定扩展问题.提出了用弹塑性断裂力学(EPFM)参量JM描述应力腐蚀裂纹尖端应力应变场;
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  “悬臂弯曲”译为未确定词的双语例句
     AN INVESTIGATION OF DETERMINING J_(Ic) AND J_(Iscc) BY THE CANTILEVER BEAM METHOD
     悬臂弯曲方法测定J_(Ic)和J_(Iscc)的探讨
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     CALCULATION OF PLASTIC BENDING WORK IN THE ARMS OF DOUBLE CANTILEVER BEAM SPECIMEN
     双悬臂梁试件中悬臂弯曲塑性功的计算
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     We observed what happened during the biomechanics test about anti-pull and anti-bend,recorded the data of load(stress) respectively when displacement (strain) was at 0. 5, 1. 0, 1. 5, 2. 0mm.
     进行生物力学测试,观察抗悬臂弯曲及抗拉伸载荷表现,记录位移量为0.5、1.0、1.5、2mm时的载荷值。
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     The propagation behavior of low-cycle fatigue surface cracks in 4.5Ni steel was analysed with cantilever-bending loading and total strain range as an examined and controlled parameter. The relationship between crack growth rate d(2 a )/d N and total strain range Δε T was given.
     采用悬臂弯曲加载方式,以总应变范围作为受检和控制参数,分析了高强度4.5Ni钢表面裂纹的低周疲劳扩展行为,给出了裂纹扩展速率d(2a)/dN与总应变范围ΔεT的关系式及关系曲线。
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     The effect of micro-alloying elements ( Cr、Mo、Ni、Cu、B) on the SCC-resistance of the weld metals in Mixed Nitrate Solution (MNS) was researched by the test methods of the cantilever bend, corrosion electrochemistry and micro-analysis.
     通过悬臂弯曲SCC试验、腐蚀电化学试验和微观分析等方法,研究了Cr、Mo、Ni、Cu、B等合金元素对低碳低合金钢焊缝金属在混合硝酸盐溶液中SCC抗力的影响。
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  相似匹配句对
     Bending of rectangular cantilever plates of moderate thickness
     悬臂矩形中厚板的弯曲
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     Bending of Rectangular Cantilever Plates
     悬臂矩形板的弯曲
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     The Local Bending of the Cylinder
     圆筒的局部弯曲
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     The Cantilever Loading Robot
     悬臂搬运机器人
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     Panel's Flexural Vibration
     薄板的弯曲振动
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  bent cantilever
Determining the normal stresses in a uniform bent cantilever
      


The delayed failure of a steel structure occurs as a result of the stress cor-

在工程上,经常由于应力腐蚀开裂和氢脆引起中强度钢结构件发生滞后破坏。这类脆断往往从结构件中预先存在的疲劳或焊接裂纹处开始,因此,运用传统的光滑试样的检验方法不能反映这类破坏的特点。本文将弹塑性断裂力学中的J积分概念用于滞后破坏的研究,提出用带预制疲劳裂纹的悬臂弯曲试样测定J积分的临界值J_(Ic)和应力腐蚀开裂阈值J_(Iscc)的方法。测定了40CrNiMo钢的J_(Ic)值及其在硫化氢水溶液中的J_(Iscc)值。通过和三点弯曲方法测定的J_(Ic)值的对比,以及和满足线弹性条件时直接测定的应力强度因子K_I值的对比,说明这种方法的可靠性。最后,对悬臂弯曲方法的特点进行了讨论。

The stress fracture is often resulted from forced march, heel-and-toe walking race, trudge over a longdistance etc. The stress fracture in metatarsal bone is very common. After analysis of bearing-force onmetatarsal bone, the feet are simplified as weight-bearing-cantilever beam structure, while the metatarsalbone as lever units which support the bending cantilever. 16 metatarsal bones were taken from freshcadavers of normal Chinese adults. TYPE 2H cantilever stress teeting machine was used for the experiment.This...

The stress fracture is often resulted from forced march, heel-and-toe walking race, trudge over a longdistance etc. The stress fracture in metatarsal bone is very common. After analysis of bearing-force onmetatarsal bone, the feet are simplified as weight-bearing-cantilever beam structure, while the metatarsalbone as lever units which support the bending cantilever. 16 metatarsal bones were taken from freshcadavers of normal Chinese adults. TYPE 2H cantilever stress teeting machine was used for the experiment.This study analyzes the injury mechanism of stress fracture theoretically, the defines limit of stress fractureof the metatarsal bone, and makes biomechanical analysis for the fracture types. This experiment providesthe data and materials for prevention and diagnosis of stress fracture and the possibility of methods andpaths for stress fracture experiment of the biomaterials.

本文将人体双足简化为一承受体重的悬臂梁结构,将跖骨简化为受悬臂弯曲的杆件;取正常国人新鲜尸体跖骨16个,在2H型悬臂疲劳试验机上进行实验。实验确定了跖骨发生应力骨折的极限范围,即在0.906kg/mm~2应力作用下,循环次数为5.6×10~5次。文章还对疲劳断口进行了生物力学分析。

This paper introduces the calculation of plastic bending work dissipated in the deformed arms of the double cantilever beam (DCB) specimen by two methods, i.e., Moire' fringes method and engineering theory of plastic bending. It is shown that reasonable results are obtained when engineering theory of plastic bending is used in the case of small bending angle.

本文介绍两种方法——云纹法和塑性弯曲的工程理论计算双悬臂梁试件中悬臂弯曲塑性功的结果。计算表明,当悬臂弯曲角度不很大时,用塑性弯曲的工程理论计算弯曲塑性功能得到合理的结果。

 
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