Preferably, the burner is used to initiate the thermal stress crack, by increasing the power supplied to the glass.
优选地,利用燃烧器,通过增加供给给玻璃的能量,来启动热应力裂纹。
The result shows that the plastic strain at the heel region induced by wire bonding process, molding process and the thermal stress and strain in solder reflow are the main causes of heel crack.
结果显示由于引线键合工艺、注塑工艺以及回流焊中封装体各部分不同的热膨胀系数引起的热应力和塑性变形是产生引脚跟断裂的主要因素。
The results show that martensite at transition area and the thermal stress in the joint of different material will cause crack in clad steel plate during welding.
结果表明,过渡区马氏体组织的生成,异种钢接头的热应力是产生焊接裂纹的主要原因。
Thermal fatigue crack forming process of steel bonded carbide containing 35% WC by the action of thermal stress has been observed time and time again.
对含有35 %WC的钢结硬质合金在热应力作用下热疲劳裂纹形成过程进行了反复观察。
The complex function method is used to solve the temperature field and thermal stress field around the crack tip at the moment when the pulse current is switched on.
采用复变函数方法求解了脉冲放电瞬间裂纹尖端的温度场和热应力场。
In the mean time, rolling contact stress, braking heat energy, thermal crack and mechanical action are key causes of tread spalling.
其中滚动接触剥离和制动剥离是两种主要剥离类型,滚动接触应力、制动热作用、热裂纹和机械作用是引起剥离的主要原因。
The process of thermal fatigue crack propagation on the surface of steel bonded carbide GJW35 under the action of thermal stress has been observed.
观察了在热应力作用下gjw35钢结硬质合金表面热疲劳裂纹扩展过程。
Marly crack and deterioration of many bridge deck overlays have been attributed to the traffic load, nature factor and high thermal or shrinkage stress development in the concrete.
混凝土桥面铺装在交通荷载、自然因素、温度与收缩应力综合作用下,普遍出现了早期开裂与破坏。
The hydration heat of massive concrete does not emanate easily, so the internal temperature will be very high which will generate high thermal stress, then the temperature crack will appear.
大体积混凝土的水化热不容易及时散发,内部温升将会很高,从而产生很大的温度应力,导致出现温度裂缝。
A large number of project experience have shown that thermal stress and ice expansive pressure are the primary factors which cause mass concrete aqueduct to crack and wreck.
大量工程实践证明,温度应力、冰膨胀力是引起大体积混凝土渡槽结构出现裂缝和发生事故的主要原因。
The results show that the aggregation of contaminant is the inner cause of Copper pipe crack, while the thermal stress formed during welding and winding deformation is another two important factors.
结果表明:夹杂物局部偏聚是铜管断裂的内在原因。焊接时产生的热应力及弯曲变形是铜管断裂的外部诱发因素。
To study the reason of appearance of the thermal diffuse crack, Temperature and thermal stress analysis of the steam pipe and correlative branch pipe was performed with finite element analysis method.
本论文进行模拟实验并有限元方法,获得蒸汽管道支管及接管座管壁温度场和热应力的分布规律,阐明热疲劳裂纹产生的原因;
The temperature field and thermal stress field on the crack tip in a metal was studied by numerical simulation method.
用数值模拟方法研究了金属裂纹尖端的温度场和热应力场的分布情况。
The paper gives the formula of temperature stress by analyzing the cause, classification and control mechanism of the the thermal crack control of concrete.
通过对混凝土温度裂缝分类、成因与控制机理的分析,总结了混凝土温度应力的公式。
The relationships of the thermal stress and crack spreading stress with the incident laser intensity were obtained by this investigation.
给出了激光热应力、裂纹应力与照射激光的变化关系和研究结果。
The formula of temperature stress by analyzing the cause of the the thermal crack control of concret is given.
通过对混凝土温度裂缝机理的分析,总结了混凝土温度应力的公式。
Thermal stress calculation of no-crack concrete frame structuresThermal stress was compared with load stress and characteristic of thermal stress was analysized.
不允许出现裂缝的混凝土框架结构温度应力计算将温度应力与荷载产生应力进行对比,分析温度应力的特点。
Aiming at brazing crack induced by thermal stress during the process of brazing, finite element method was used to analyze the residual stress of joints between the cemented carbide cirque and steel.
针对硬质合金在钎焊冷却过程产生很大的热应力而导致钎焊裂纹这一问题,采用有限元分析方法对硬质合金圆环与钢基体钎焊时冷却过程中的残余应力的分布情况进行模拟。
Consequently, it is required to know the variation regularity of temperature field in the structural member and thermal stress in order to make thermal crack controlled.
为了进行裂缝控制应掌握结构温度场和温度应力的变化规律。
The numerical results give the critical temperature of the seed region and the thermal stress for crack generation, irradiated with threshold fluence.
在阈值能量的辐照下,数值结果给出了对应的温度和应力。
Crack top's tension stress and stress intensity factor caused by thermal stress were computed, structural parameters' sensitivity analysis were made as well.
对路面突然降温时的温度场进行了数值模拟,计算了温度应力作用下反射裂缝尖端的拉应力、应力强度因子,并对其进行了参数分析。
Since the surface of glass have many micro-crack, when the thermal stress reach the critical value, thermal breakage occur.
同时玻璃表面存在大量微裂纹,当热应力达到临界值时,在热应力的作用下产生脆性断裂。
Premium resin offers highest thermal stability, stress crack resistance, flex life, and clarity of all grades. Low to medium reduction ratio. .
高级树脂提供了最高的热稳定性,耐应力开裂,弯曲的生活,和所有级别的清晰度。低到中等缩小比例。
It is considered that BN interwoven structure can reduce some thermal shock stress and prevent crack propagation due to thermal shock.
BN的编织状结构可以缓冲热震应力,阻碍热震裂纹的扩展。
The results show that the crack in exhaust manifold is the place where the thermal stress is more great. The suggestions were …
计算结果表明,排气歧管裂纹产生处就是热应力最大处,根据计算结果提出了改进建议,经试验验证改进措施是有效的。
Abstract: the process of thermal fatigue crack propagation on the surface of steel bonded carbide GJW35 under the action of thermal stress has been observed.
文摘:观察了在热应力作用下gjw35钢结硬质合金表面热疲劳裂纹扩展过程。
The method that made groove at the edge of the piston with the toroidal combustion chamber and helped to reduce the thermal stress and thermal crack has been discussed. The simulation result...
仿真计算结果表明在收口型燃烧室边缘开适当大小的圆弧槽对减少活塞热裂纹的产生是行之有效的。
The method that made groove at the edge of the piston with the toroidal combustion chamber and helped to reduce the thermal stress and thermal crack has been discussed. The simulation result...
仿真计算结果表明在收口型燃烧室边缘开适当大小的圆弧槽对减少活塞热裂纹的产生是行之有效的。
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