Article: Spot weld metal ultrasonically.(Power Tools)

Article: The Effect of Spot Weld Failure on Dynamic Vehicle ...
Sound and Vibration;  April 1, 2005 ;     700+ words ... ... is two-fold. First, the impact of spot weld quality and design on a vehicle's functional ... approaches, explains the complexity of a spot weld design problem and discusses optimization ... presented, that assesses the effect of spot weld failure on dynamic vehicle characteristics ...

Article: Weld metal composition change during conduction ...
Metallurgical and Materials Transactions;  February 1, 2001 ;     700+ words ... ... of automotive aluminum alloys affects weld metal composition and properties. An experimental ... calculation of vaporization rate and weld metal composition change was developed based ... however, hot cracking, porosity, and weld metal composition change are major concerns ...

Article: The effect of the surface on grain boundary migration in ...
Metallurgical and Materials Transactions;  June 1, 2001 ;     700+ words ... ... migration occurs after solidification in the weld metal of an austenitic stainless steel. This ... migration is important from the view of weld metal intergranular corrosion and the control ... 3,4] presenting GB migration in weld metal. The authors have investigated GB migration ...

Article: Nitrogen Desorption by High-Nitrogen Steel Weld ...
Metallurgical and Materials Transactions;  October 1, 2005 ;     700+ words ... ... Although the nitrogen content in the weld metal during CO2 laser welding was lower than ... desorption was larger in the top part of the weld metal than in the keyhole region. The nitrogen ... pressure, the nitrogen content in the weld metal sharply increased during arc welding ...

Article: Direction of grain-boundary migration in the weld ...
Metallurgical and Materials Transactions;  March 1, 1999 ;     700+ words ... ... GB), after solidification in the weld metal of AISI3 lOS stainless steel, was examined ... direction of a grain boundary in the weld metal after solidification. I. INTRODUCTION ... grain boundary (GB) migrates in the weld metal of an austenitic stainless steel. This ...

Article: Spot weld software speeds auto body FEA.
Design News;  October 1, 2001 ;     700+ words ... ... mind. At the end of the meshing process, the spot weld data can be incorporated fully in the finite ... meshes of different parts have to match at the spot weld connection points, and the spot weld grids must line up. If the meshes differ ...

Article: Spot weld analysis with 2D ultrasonic arrays.
Journal of Research of the National Institute of Standards and Technology;  March 1, 2004 ;     700+ words ... ... squares; nondestructive analysis; spot weld; transducer; two-dimensional; ultrasonic ... Introduction The problem of estimating the spot weld quality is an important component in ... have to be reliable. Current methods of spot-weld inspection include destructive peel testing ...