Relationship between the Friction Time, Friction Torque, and Joint Properties of Friction Welding for the Low Heat Input Friction Welding Method. Study of Joining Mechanism of Friction Welding. (Report 3).

2002 ◽  
Vol 20 (4) ◽  
pp. 559-565 ◽  
Author(s):  
Masaaki KIMURA ◽  
Masahiro KUSAKA ◽  
Kenji SEO ◽  
Akiyoshi FUJI
Keyword(s):  
Heat Input ◽  
Friction Welding ◽  
Friction Torque ◽  
Welding Method ◽  
Joint Properties

scholarly journals Weldability of micro-alloyed high-strength pipeline steels using a new friction welding variant

2010 ◽  
Vol 1 (1) ◽  
pp. 94-101
Author(s):  
Koen Faes ◽  
Patrick De Baets ◽  
Alfred Dhooge ◽  
Wim De Waele ◽  
Rudi Denys ◽  
...  
Keyword(s):  
Impact Toughness ◽  
Heat Input ◽  
Friction Welding ◽  
Pipeline Steel ◽  
Welding Process ◽  
High Strength ◽  
Weld Strength ◽  
Welding Method ◽  
Fully Automatic ◽  
Welding Procedure

An innovative welding method for fully automatic joining of pipelines has been developed. Theproposed welding procedure is a variant of the conventional friction welding process. A rotatingintermediate ring is used to generate heat necessary to realise the weld. The working principles of thewelding process are described. The weldability of the micro-alloyed high-strength pipeline steel API-5L X65is experimentally investigated. It was found that the new welding process is suitable for joining this material.When welding with a sufficiently low heat input, a high weld quality is obtained. Under these circumstancesthe weld strength, ductility and impact toughness are high and fulfil the requirements of the commonly usedstandard EN 12732 for joining pipes.

scholarly journals Relationship between diameter of base material and heat input in friction welding of 6061 aluminum alloy.

2002 ◽  
Vol 52 (1) ◽  
pp. 7-11 ◽  
Author(s):  
Takeshi SAWAI ◽  
Koichi OGAWA ◽  
Hiroshi YAMAGUCHI ◽  
Hiizu OCHI ◽  
Yoshiaki YAMAMOTO ◽  
...  
Keyword(s):  
Aluminum Alloy ◽  
Heat Input ◽  
Friction Welding ◽  
Base Material ◽  
6061 Aluminum Alloy

Constant Heat Input Friction Stir Welding of Variable Thickness AZ31 Sheets Through In-Process Tool Rotation Control

2019 ◽  
Vol 141 (8) ◽  
Author(s):  
Gianluca Buffa ◽  
Davide Campanella ◽  
Archimede Forcellese ◽  
Livan Fratini ◽  
Michela Simoncini ◽  
...  
Keyword(s):  
Variable Thickness ◽  
Heat Input ◽  
Weld Line ◽  
Sheet Thickness ◽  
Strain Curve ◽  
Thickness Change ◽  
Friction Stir ◽  
Tailored Blanks ◽  
Joint Properties ◽  
Tool Rotation

Tailored blanks characterized by variable thickness were friction stir welded (FSWed) with the aim to obtain constant joint properties along the weld seam, regardless of the thickness change. To pursue this goal, the heat input was kept constant by in-process control of tool rotation. A dedicated numerical model of the process was used to determine the tool rotation values as a function of the sheet thickness. The mechanical properties and the microstructure of the FSWed joints, produced with varying process parameters, were studied. It was found that the proposed approach can produce joints with uniform properties along the weld line in terms of stress–strain curve shape, joint strength, elongation at failure, and microstructure.

scholarly journals Observation of Joining Phenomena in Friction Stage and Improving Friction Welding Method

2003 ◽  
Vol 46 (3) ◽  
pp. 384-390 ◽  
Author(s):  
Masaaki KIMURA ◽  
Kenji SEO ◽  
Masahiro KUSAKA ◽  
Akiyoshi FUJI
Keyword(s):  
Friction Welding ◽  
Welding Method

Development of autocompleting friction welding method

2008 ◽  
Vol 13 (2) ◽  
pp. 184-191 ◽  
Author(s):  
M. Kimura ◽  
T. Fujii ◽  
D. Utsumi ◽  
M. Kusaka ◽  
K. Seo
Keyword(s):  
Friction Welding ◽  
Welding Method
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