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Direct Cast Full Penetration Single-Pass Welding New Proposal
Brazing-copper has to be approached with a thorough study of copper metallurgy, heat influence and filler compatibility. Then the most economic process must be sought assuring properties and functions
Brazing-titanium can be the best joining solution in selected cases. Due to high material and processing costs, the actual filler metal and process have to be studied & tested also for joint corrosion
Welding-arc, a series of varied economic welding processes: used for short runs, but also for ships, bridges, structures. Manual for intricate settings. Automated for long or repetitive joints. Adapte
Welding-standards are practical tools. Recommendations and Requirements for Quality Welding. Specifications for Materials and Consumables. Qualified Welding Procedures. Safety Instructions. NDT Insp.
Materials-welding requires special procedures to weld different materials
Specific equipment elements are used to perform welding to satisfy requirements
This page introduces the main types of Joining processes and links to detailed descriptions
Service-failures and prevention. Codes and Specifications. Run out conditions or inadequate manufacturing. Collection of complete evidence. Knowledge, experience, interpretation.
Arc-Welding operations use electric energy supplied to the welding location through a discharge created between two electrodes. Filler metal can be added from consumable electrode or other material
Welding_aluminum and non heat treatable aluminum alloys. See which heat treatable alloys can be welded and how. Weld influence on properties.
Repair-welding can be used to repair some service failures, but needs knowledge and experience for correct application. Not for highly stressed items (gears, shafts) or for lifting equipment.
Mig-welding-tips and common misconceptions. Polarity, power supplies and self regulated arc length. Metal Transfer Modes. Slope and Inductance Control. Where else to find useful References.
Near-net-shape processing is a group of manufacturing methods of freeform fabrication permitting to produce metal parts directly from computer generated design. Speed, economy, quality are possible.
Welding-alloy-steel while preventing cracking risks. Hardenable steels welding.The precautions:oreheat and postheat.Weldability and Hardenability.Hydrogen Underbead Cracking.
Robotic-arc-welding is an answer to skilled workforce shortage. It needs integration, planning, testing by properly trained and qualified personnel. Remarkable potential gains and difficulties.
Weld-preparation best quality is a precondition for good welds. Don't spare efforts for perfect prep
Welding-codes and their application. Welding-specifications/standards and their significance. Welding-test as a base for quality.
Hydrogen-Embrittlement can cause delayed cracking and fracturing after welding if occasional sources of hydrogen are not excluded from the weld region.Stress relieving and baking should be implemented
Additive-Manufacturing, several techniques/materials for building from the design without tools