DECREASE IN NON-HOMOGENEITY OF WELDED JOINTS AND INCREASE OF THEIR MECHANICAL CHARACTERISTICS WHEN USING MODIFIED POWDER MATERIALS IN ELECTRODE COATING

2015 ◽  
pp. 95-102
Author(s):  
Dmitry Ivanovich Yakubovich ◽  
Irina Aleksandrovna Lisovaya ◽  
Irina Mikhailovna Luzhanskaya
Keyword(s):  
Welded Joints ◽  
Mechanical Characteristics ◽  
Powder Materials ◽  
Electrode Coating

FEATURES OF REPAIR OF WELDED STRUCTURES OF LARGE THICKNESSES FROM TITANIUM ALLOY VT6ch.

2021 ◽  
pp. 34-43
Author(s):  
A.V. Sviridov ◽  
◽  
М.S. Gribkov ◽  
Keyword(s):  
Titanium Alloy ◽  
Residual Stresses ◽  
Elemental Composition ◽  
Welded Joints ◽  
Mechanical Characteristics ◽  
Electron Beam Welding ◽  
Welded Joint ◽  
Vacuum Annealing ◽  
Base Material ◽  
Welded Structures

The technology of electron-beam welding (EBW) of structures of large thickness made of titanium alloy Ti–6Al–4V has been developed. A complex of metallographic studies of welded samples has been carried out. Tests to determine the mechanical characteristics of repair welded joints, that these joints made by EBW are equal in strength to the base material. The analysis of the level of residual stresses in various parts of the welded joint after repeated repair passes has been carried out. It was found that the subsequent vacuum annealing reduces the level of residual stresses in welded joints to 50 %. The analysis of the elemental composition showed that the elemental composition of the samples from the center of the weld to the base metal practically does not change for welding with the number of repeated passes up to 3.

Some mechanical characteristics of welded joints of uranium with alloys of zirconium and titanium in the interval 20?750�C

1977 ◽  
Vol 43 (2) ◽  
pp. 739-741
Author(s):  
V. R. Tatarinov ◽  
V. S. Krasnorutskii ◽  
V. G. Rubashko
Keyword(s):  
Welded Joints ◽  
Mechanical Characteristics

Mechanical characteristics of resistance multispot welded joints

2003 ◽  
Vol 8 (5) ◽  
pp. 369-376 ◽  
Author(s):  
H.-S. Bang ◽  
H.-S. Bang ◽  
S.-M. Joo ◽  
J.-M. Kim ◽  
W.-S. Chang
Keyword(s):  
Welded Joints ◽  
Mechanical Characteristics

Laser Welding of Stainless Steel 321 in Different Welding Positions

2021 ◽  
Vol 313 ◽  
pp. 106-117
Author(s):  
A. Bernatskyi ◽  
O.M. Berdnikova ◽  
V. Sydorets ◽  
Valery Kostin ◽  
O. Kushnarova
Keyword(s):  
Stainless Steel ◽  
Laser Welding ◽  
Welded Joints ◽  
Mechanical Characteristics ◽  
Welded Joint ◽  
Chemical Elements ◽  
Vertical Position ◽  
Steel Aisi ◽  
Aisi 321 ◽  
Stainless Steel Aisi

It was revealed that spatial position during laser welding of AISI 321 stainless steel influences the processes in the weld pool and the process of its crystallization. The geometry, structure, distribution of chemical elements depend on the cooling rate of the welded joint, which varies in different spatial positions during laser welding of stainless steel AISI 321. To achieve the lowest variance of results and the maximum values of mechanical characteristics of the welded joints of AISI 321 stainless steel it is recommended to produce laser welding in a vertical position.

Sign in / Sign up

Export Citation Format

Share Document