Welding Journal, Volumen21American Welding Society, 1942 "Current welding literature" included in each volume. |
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Página 524
... Surface Preparation The purpose of pre - weld surface preparation of alu- minum and aluminum alloys is to eliminate variations in the heat of welding due to variations in the contact sur- face resistance of unprepared aluminum sheets ...
... Surface Preparation The purpose of pre - weld surface preparation of alu- minum and aluminum alloys is to eliminate variations in the heat of welding due to variations in the contact sur- face resistance of unprepared aluminum sheets ...
Página 534
... surface heating due to excessively high current density at the contact surface , between the electrode and the metal , and thus the sec- ond and third types of surface indentations are fre- quently found together . ( See Fig . 20 ...
... surface heating due to excessively high current density at the contact surface , between the electrode and the metal , and thus the sec- ond and third types of surface indentations are fre- quently found together . ( See Fig . 20 ...
Página 264
... surface 2 . conditions . Consistency of chemical treatments ( maintenance of solution strength and activity ) . 3. Other methods of surface treatment . 4. Salvage of material that has been overtreated . Effect of sheet thickness on surface ...
... surface 2 . conditions . Consistency of chemical treatments ( maintenance of solution strength and activity ) . 3. Other methods of surface treatment . 4. Salvage of material that has been overtreated . Effect of sheet thickness on surface ...
Contenido
15 | 3 |
CORLETT J A StraightLine Production of Liberty Cargo Ships Steel 188 153157 I | 18 |
Piping High PressureH J Irrgang Jr 610612 | 21 |
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