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摩擦加热
相关语句
  friction heating
     Detection of Friction Heating Power for Continuous Driven Friction Welding by Using the Floating Evaluating Difference Method
     连续驱动摩擦焊摩擦加热功率的浮动求差法检测
短句来源
     Based on the precise analysis of energy conversion in the continuous driven friction welding, the real_time detection of friction heating power is implemented by using the floating evaluating difference method. The change regularity of the heating power is studied.
     利用微型计算机系统,在精确分析连续驱动摩擦焊能量传递的基础上,采用浮动求差的方法实现了对连续驱动摩擦焊摩擦加热功率的实时检测,并对摩擦焊摩擦加热功率的变化规律进行了研究,为摩擦焊接过程的参数检测与质量控制打下了良好的基础。
短句来源
     Also, a way of calculating non-sine signals' root-mean-square is adopted, The transferring factor K between voltage and current of driving motor and their corresponding A/D sampling values have been obtained. This promises the real-time sampling and display of friction heating power in welding process.
     论文还对非正弦信号采用了逐点积分计算其均方根值的方法,得出驱动电机电压和电流的均方根值与相应A/D采样值之间的转换系数K,从而保证了焊接过程中对摩擦加热功率的实时采集与显示。
短句来源
     According to the principle of press working and tribology and the characteristics of friction heating process of continuous drive friction welding, the steady torque distribution rule on the friction interface in the initial friction stage of the continuous drive friction welding is studied. The characteristics of steady torque distribution in the stages of the transient and steady friction are discussed.
     根据金属压力加工和摩擦学的原理 ,结合连续驱动摩擦焊摩擦加热过程的特点 ,研究了连续驱动摩擦焊初始摩擦阶段稳态扭矩在摩擦界面分布的规律 ,探讨了过渡及稳定摩擦阶段稳态扭矩分布的特性。
短句来源
     The friction heating process and the mechanism of friction surfacing were analyzed in this paper.
     通过在铝表面磨擦焊镀锌基稀土焊丝试验 ,分析了摩擦焊镀技术的摩擦加热过程及焊镀机理 ;
短句来源
  “摩擦加热”译为未确定词的双语例句
     In friction welding, rotational speed and friction pressure directly influence the friction torsion, heats merit rate, welding temperature and the temperature distribution etc, are the most important technology parameters.
     在摩擦焊中,转速和摩擦压力直接影响摩擦扭矩、摩擦加热功率、焊接温度和温度分布等,是摩擦焊中最重要的工艺参数。
短句来源
     The object of this research was to investigate the characteristics of joining, microstructures and mechanical properties of FSW joints welded for experimental aluminum alloys, such as LY12, L2, and LF2 with different thickness and the influence of welding parameters including most importantly the tool's rotational speed, welding velocity, and welding energy on the quality of joint according to the solid-state joining principle during FSW welding.
     本课题通过对试验用不同厚度的材料,如不同厚度的铝合金LY12、 L2及LF2进行焊接后的每个接头进行成型特点、微观组织及接头力学性能等的研究,总结出摩擦搅拌焊接过程中焊接规范参数,主要包括摩擦头旋转速度、焊接速度及焊接摩擦加热功率等对焊接接头质量的影响规律。
短句来源
     (3)influence of welding energy: variation of joint strength was in accordance with the role of with rotational speed whereas the value of hardness in weld nugget and microstructural dimension are contrary to the result above.
     (3) 摩擦加热功率的影响:接头强度随着摩擦加热功率的增加而先增加后减小; 而焊核区硬度和焊核区晶粒尺寸均随着摩擦加热功率的增加而先减小后增加。
短句来源
     This process is characterized by the joint action of a lower rotating speed and a moderately high axial welding pressure so as to keep the temperature by friction at the weld interface never raised above that of the eutectic point (548℃) in Al-Cu system, and at the same time to obtain a sufficient plastic de-formation at the friction surfaces of the joint.
     通过降低转速及适当提高摩擦压力,使接头的摩擦加热焊接表面的温度低于铝-铜系统平衡图的共晶点548℃,并保证铝、铜焊接表面金属充分的塑性变形。
短句来源
     When friction is first started,a primitivedeformation layer is formed on the friction local interface at a distance of (1/2~1/3)r(radius of the rod) from the center cf the welding cross section. A circular hotring consists of metallic interface of deformation layer and mechanical draging.
     研究了钢材加热过程中高速摩擦塑性变形层和高温区的扩展规律:摩擦加热开始时,变形层首先在距圆心1/2~2/3半径处的摩擦表面上形成,它是由塑性变形和机械挖掘的表面金属组成的环状加热带。
短句来源
更多       
  相似匹配句对
     Precision Forging Heating for Attrition Press
     摩擦压力机精锻加热
短句来源
     A Barotropic Quasi geostrophic Model with Large scale Orography, Friction and Heating
     含大地形、摩擦加热的准地转正压模式
短句来源
     ELECTRON HEATING DURING ICRH
     离子回旋共振加热的电子加热
短句来源
     FRICTION WELDING OF CAST IRON
     铸铁摩擦焊接
短句来源
     The Initial Explore of the Friction Electron Theory
     摩擦电子论初探
短句来源
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  friction heating
It is shown that both the Joule and friction heating of the accelerated body can be reduced significantly by using resistive liquid films.
      
Processes of friction heating at a local thermal contact in turning friction are studied.
      
Thermomechanical processes in the friction heating of disk brakes
      
Pressure is a factor related to both the electrical heating, friction heating and abrasive wear.
      
We construct the solution of the problem of thermoelastic contact of an inertial cylinder with a rigid bush under the conditions of friction heating and wear.
      
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In view of the well-known embrittlement associated with welded Al-Cu joints, a low temperature friction welding process for joining aluminum to copper has been considered. This process is characterized by the joint action of a lower rotating speed and a moderately high axial welding pressure so as to keep the temperature by friction at the weld interface never raised above that of the eutectic point (548℃) in Al-Cu system, and at the same time to obtain a sufficient plastic de-formation at the friction surfaces...

In view of the well-known embrittlement associated with welded Al-Cu joints, a low temperature friction welding process for joining aluminum to copper has been considered. This process is characterized by the joint action of a lower rotating speed and a moderately high axial welding pressure so as to keep the temperature by friction at the weld interface never raised above that of the eutectic point (548℃) in Al-Cu system, and at the same time to obtain a sufficient plastic de-formation at the friction surfaces of the joint. As a result, the many unsatisfactory features such as low mechanical strength and poor toughness of the weld joint generally associated with the conventional friction welding for dissimilar metals were much improved. Tests for hot stability, aging properties and practical applications also proved that the joint quality fully satisfied the technical requirements.

经过分析铝-铜摩擦焊接头脆断特点及其原因,在试验的基础上,提出了铝-铜低温摩擦焊工艺。通过降低转速及适当提高摩擦压力,使接头的摩擦加热焊接表面的温度低于铝-铜系统平衡图的共晶点548℃,并保证铝、铜焊接表面金属充分的塑性变形。采用低温摩擦焊消除了铝-铜接头的脆断,提高了接头的强度、塑性、韧性和锻压性能。接头的热稳定性、老化及实际运行试验表明,其质量完全满足技术条件的要求。

In this paper,the widening rule of the deformation layer has been studied duringfriction welding of a 0.45% carbon steel.When friction is first started,a primitivedeformation layer is formed on the friction local interface at a distance of (1/2~1/3)r(radius of the rod) from the center cf the welding cross section.A circular hotring consists of metallic interface of deformation layer and mechanical draging.Asfriction is continued,a circular hot ring widens toward both perimeter and center ofthe welding cross...

In this paper,the widening rule of the deformation layer has been studied duringfriction welding of a 0.45% carbon steel.When friction is first started,a primitivedeformation layer is formed on the friction local interface at a distance of (1/2~1/3)r(radius of the rod) from the center cf the welding cross section.A circular hotring consists of metallic interface of deformation layer and mechanical draging.Asfriction is continued,a circular hot ring widens toward both perimeter and center ofthe welding cross section.High temperature area is widened provided only all friction-al interface has been heated up.A peak power or peak torque is often attainedwhen the heated frictional interface area is increased up to 60—70% of the weldingcross section.As all frictional interface has been heated,frictional torque reaches toa constant value.The location,area,thickness,widening direction and wideningvelocity of the circular hot ring are depended on the parameter of the friction weld-ing.When the peak torque is occured,temperature at the circular hot ring reachesabout 700℃.Once the torque value has kept constant,then the temperature at thefriction interface may reach 1000℃ or more.

本文通过对45号钢摩擦加热过程的试验.研究了钢材加热过程中高速摩擦塑性变形层和高温区的扩展规律:摩擦加热开始时,变形层首先在距圆心1/2~2/3半径处的摩擦表面上形成,它是由塑性变形和机械挖掘的表面金属组成的环状加热带。随着摩擦时间的延长,环状加热带向圆心和外圆迅速扩展,摩擦表面全面加热以后,由热传导形成的高温区才显著加宽。摩擦加热扭矩峰值或功率峰值通常在表面加热到60~70%左右出现,而在全面加热以后才出现摩擦扭矩稳定值。环状加热带开始出现的位置、面积、厚度、扩展方向和速度与焊接工艺参数有关。达到扭矩峰值时环状加热带的温度达到700℃左右,出现稳定值以后温度可以达到1000℃以上。

Based on the precise analysis of energy conversion in the continuous driven friction welding, the real_time detection of friction heating power is implemented by using the floating evaluating difference method. The change regularity of the heating power is studied.

利用微型计算机系统,在精确分析连续驱动摩擦焊能量传递的基础上,采用浮动求差的方法实现了对连续驱动摩擦焊摩擦加热功率的实时检测,并对摩擦焊摩擦加热功率的变化规律进行了研究,为摩擦焊接过程的参数检测与质量控制打下了良好的基础。

 
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