求助高手帮忙翻译一段英文文章,与焊接专业有关
来源:百度知道 编辑:UC知道 时间:2024/05/06 18:14:56
Mechanism of keyhole formation and
stability in stationary laser welding
Jae Y Lee1, Sung H Ko2, Dave F Farson3 and Choong D Yoo4,5
1 Graduate student, Department of Mechanical Engineering, KAIST, Taejon, Korea
2 Research Engineer, Hyundai Heavy Industry, Ulsan, Korea
3 Associate Professor, Department of Industrial, Welding and Systems Engineering,
Ohio State University, Columbus, Ohio, USA
4 Associate Professor, Department of Mechanical Engineering, KAIST, 373-1 Kusong-dong,
Yusong-gu, Taejon, Korea
E-mail: cdyoo@kaist.ac.kr
Received 9 January 2002
Published
Online at stacks.iop.org/JPhysD/35
Abstract
The formation and stability of stationary laser weld keyholes are
investigated using a numerical simulation. The effect of multiple reflections
in the keyhole is estimated using the ray tracing method, and the free surface
profile, flow velocity and temperature distrib
stability in stationary laser welding
Jae Y Lee1, Sung H Ko2, Dave F Farson3 and Choong D Yoo4,5
1 Graduate student, Department of Mechanical Engineering, KAIST, Taejon, Korea
2 Research Engineer, Hyundai Heavy Industry, Ulsan, Korea
3 Associate Professor, Department of Industrial, Welding and Systems Engineering,
Ohio State University, Columbus, Ohio, USA
4 Associate Professor, Department of Mechanical Engineering, KAIST, 373-1 Kusong-dong,
Yusong-gu, Taejon, Korea
E-mail: cdyoo@kaist.ac.kr
Received 9 January 2002
Published
Online at stacks.iop.org/JPhysD/35
Abstract
The formation and stability of stationary laser weld keyholes are
investigated using a numerical simulation. The effect of multiple reflections
in the keyhole is estimated using the ray tracing method, and the free surface
profile, flow velocity and temperature distrib
键孔形成的机制和
静止的激光焊接的安定
Jae Y Lee1 ,宋 H Ko2 ,大卫 F Farson3 和 Choong D Yoo4,5
1 研究生,机械工程, KAIST , Taejon 部, 韩国
2 研究工程师, Hyundai 重工业, Ulsan ,韩国
3 副教授, 部门工业的, 焊接和系统工程学,
俄亥俄州大学,哥伦布,俄亥俄州, 美国
4 副教授,机械工程, KAIST 部,373-1 Kusong-铛,
Yusong-gu , Taejon, 韩国
电子邮件: cdyoo@kaist.ac.kr
被一般承认的 2002 年一月 9 日
出版
在线在 stacks.iop.org/JPhysD/35
摘要
静止激光的形成和安定焊接键孔是
调查使用一个数字的模拟。 多样反映的效果
在键孔中被估计使用光线追踪方法 , 和自由的表面
描绘, 流程速度和温度分配是有计划的
数字地。 在模拟方面,键孔被换置形成
藉着蒸发感应畏缩压力的融化, 当表面张力的时候和
流体静力学压力反对洞形成。 转变模态有那
和键孔形成的传导模态的几何学发生在
传导和键孔模态。 在 500 W 的激光权力和比较棒的,
推出在键孔墙壁上发生, 造成键孔崩溃
而且空虚在底部的形成。 推出的开始被引起
主要地由于压力藉着向上的和向下流程的碰撞
成份, 而且 Marangoni 流程有在流程式样上的较小效果和
键孔安定。
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