| 1. | Numerical simulation of co2 arc welding temperature field 2气体保护焊温度场的数值模拟 |
| 2. | An analysis of simulation of welding temperature in the t - joint 型接头焊接温度场的有限元模拟 |
| 3. | The simulation of pipeline welding temperature field based on ansys 的管线钢堆焊温度场数值模拟 |
| 4. | Survey and development trends of electron beam welding temperature field 电子束焊温度场的研究现状与发展趋势 |
| 5. | Application techniques of ansys software in numerical value simulation of welding temperature field 在焊接温度场数值模拟中的应用 |
| 6. | The ends of metal are heated to a white heat - for iorn , the welding temperature should be about 1300 - in a flame 把两块金属焊接在一起的的最简单的方法就是压力焊。 |
| 7. | Combining cae / capp and welding techniques , we construct the mathematical model of 16mnr welding temperature field using theory of welding heat - conduction , then validate it by experiments 将cae / capp技术和焊接技术相结合,应用焊接传热理论首先建立了16mnr焊接温度场数学模型及焊接热循环的特征参数模型,并通过实验验证了该数学模型正确的。 |
| 8. | The samples were welded at 800 , 900 . d _ ( cu ) and dni at contacting line increased with increase of welding temperature . and atom diffusion at contacting line welded by bpec heating was much quicker than by radiation heating 其它条件相同时,改变装模方式以获得不同的加热条件和电场条件,结果表明,无模套时接触面处cu和ni的扩散系数比有模套时大。 |
| 9. | The samples were welded at 750 , 800 , 850 and 900 . the diffusion coefficients ( d ) of cu and ni at interface increased with the increase of welding temperature . and comparing with radiation heating , atom diffusion velocity at interface quickened 其它条件相同时,分别在750 、 800 、 850 、 900的温度下采用脉冲大电流加热连接cu和ni片状材料,结果表明接触面处cu和ni的扩散系数随温度升高而增大。 |
| 10. | This paper analyzes the cause of small concaves around the welding seam in the long rail of guangzhou metro line 2 , and presents preventive measures , such as increasing the under layer of the rail , limiting the weld seam , lowering the welding temperature etc 摘要结合广州地铁2号线接触焊焊接长钢轨的实践,分析了产生焊头表面小凹痕的原因,提出改变垫高钢轨的方式、缩小正火范围、降低正火温度、限制接头错牙量等预防措施。 |