t800碳纖維增強2.5d機織復合材料力學性能的研究

1、河北工業(yè)大學碩士學位論文銅合金等離子弧焊接溫度場的數(shù)值分析及試驗研究姓名：秦曉旭申請學位級別：碩士專業(yè)：材料加工工程指導教師：亢世江20080301銅合金等離子弧焊溫度場的數(shù)值分析及試驗研究 ⅱ THE NUMERICAL ANALYSIS AND EXPERIMENTAL STUDY ON PLASMA ARC WELDING OF COPPER ALLOY ABSTRACT It is a problem for welding w

2、hen there are requirements on the temperature field of high thermal conductivity alloy welding . In this paper, In this paper, copper alloy as an example of a high thermal conductivity, such as plasma arc welding of the

3、pilot study. And to separate the copper alloy laser welding, tungsten argon arc (TIG) welding, Comparison of three methods of welding temperature field width. Plasma Arc Welding (PAW) is the main method of high energy de

4、nsity welding share a wide range of areas . The issue of water and electricity through the separation of plasma arc welding torch to connect power control, such as plasma arc welding fixture circuit design at the same ti

5、me, copper alloy and the plasma arc welding experiment in-depth study of its welding technology. In this paper, using finite element analysis software, high thermal conductivity alloy plasma arc welding temperature field

6、 a simulation study. Of copper alloy, such as plasma arc welding temperature field simulation and numerical analysis of the heat source model of a summary. A transition mesh, and copper alloy laser welding, TIG welding t

7、emperature field simulation, three welding method to compare the temperature field width. Through the above theoretical and practical aspects of analysis and study, the high-quality of welded joints on the topic at the s

8、ame time meet the welding thermal field should not be too large requirements. Give full play to the plasma arc welding superiority more fully the actual use of plasma arc high temperature geothermal field energy density