<正>The accurate calculation and measurement of welding temperature field is an important precondition for welding metallurgical analysis and welding process co
Solid-state diffusion bonding has been done to produce transition joint between TC4 and QAl10-3-1. 5 at the temperature 850℃ for 60 min. The produced diffusion
This paper presents a 3D numerical model to study the material flow in the friction stir welding process. Results indicate that the material in front of the pin
Based on ZVZCS (zero voltage zero current switching) full bridge converter technique, a novel inverter welding power supply is designed, in which the secondary
<正>A new kind of simple and flexible CO_2 welding system was developed to carry out waveform control.The system consisted of IGBT inverter,PWM circuit and micr
<正>According to the main tools of TRIZ,the theory of inventive problem solving,a new flowchart of the product conceptual design process to solve contradiction