A metallurgical study of molybdenum

Vacuum ◽  
1956 ◽  
Vol 6 ◽  
pp. 233
Keyword(s):  
Metallurgical Study

Metallurgical Study of Friction Stir Welded High Strength Steels for Shipbuilding

2014 ◽  
Vol 783-786 ◽  
pp. 2798-2803 ◽  
Author(s):  
Marion Allart ◽  
Alexandre Benoit ◽  
Pascal Paillard ◽  
Guillaume Rückert ◽  
Myriam Chargy
Keyword(s):  
Cubic Boron Nitride ◽  
High Strength Steels ◽  
High Strength ◽  
High Yield ◽  
Friction Stir ◽  
Polycrystalline Cubic Boron Nitride ◽  
Recent Developments ◽  
Metallurgical Study ◽  
Welding Processes ◽  
Pcbn Tools

Friction Stir Welding (FSW) is one of the most recent welding processes, invented in 1991 by The Welding Institute. Recent developments, mainly using polycrystalline cubic boron nitride (PCBN) tools, broaden the range of use of FSW to harder materials, like steels. Our study focused on the assembly of high yield strength steels for naval applications by FSW, and its consequences on the metallurgical properties. The main objectivewas to analyze the metallurgical transformations occurring during welding. Welding tests were conducted on three steels: 80HLES, S690QL and DH36. For each welded sample, macrographs, micrographs and micro-hardness maps were performed to characterize the variation of microstructures through the weld.

scholarly journals A Metallurgical Study of Oxide-Base Slag Used for Electroslag Remelting

1978 ◽  
Vol 64 (10) ◽  
pp. 1568-1577 ◽  
Author(s):  
Kiichi NARITA ◽  
Toshio ONOYE ◽  
Teruo ISHII ◽  
Tatsuhiko KUSAMICHI
Keyword(s):  
Electroslag Remelting ◽  
Metallurgical Study
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