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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-heating comes in many forms, each one best adapted to specific conditions. The most economic brazing process should be sought that meets requirements.
Brazing-joint-design must apply good practice, issue of understanding the basic principles of the process. Rich Resources are available for serious learning.
Welding-defects: how to look for them. Between discontinuities and defects. Acceptance limits for harmless discontinuities. Visual and internal defects. Defect most common types.
Brazing-processes and joints requirements. Dissimilar material joining. Advantages: low heat, rapid application, many filler alloys, strong joints, suitable for one off and for mass production
Metallurgical-expertise is a necessary commodity that must be available to any welding operation. Internal or external it should be always ready to be tapped, for keeping current projects running
Stress-relieving is good practice after welding for improved stability and performance. May be thermal or mechanical, provided the effect is substantial.
Weld-quality designed and built for safe operation and maintained perfect during whole service life
Welding-inspection methods for quality and economy. Service conditions and inspection severity. Evaluation of discontinuities: accept, repair or reject
Welding_aluminum and non heat treatable aluminum alloys. See which heat treatable alloys can be welded and how. Weld influence on properties.
SMA-welding-tips for improving skill with knowledge. How to select your power source. Current range and polarity, duty cycle, current density, low-hydrogen, AWS electr.Classification and Specification
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
Brazing-ceramic is a complex subject which requires thorough understanding of basic properties of ceramics and of metals. Successful applications depend on development of suitable materials-procedures
Welding-testing: the proof of performance and an educative tool. Improving reliability through monitoring and periodic check. Simple destructive testing for immediate quality assessment. Trial and err
Welding-aluminum. Learn on aluminum alloys weldability. Know which Aluminum properties influence Welding of aluminum. Heat treated aluminum alloys and the consequences of welding.Fabricated aluminum
Laser-beam-welding, a high energy density process with potential of economic mass production of precision, quality joints, for suitable metals and applications. Versatile, unique, successful
Vertical-welding-tips are essential to become skilled in more demanding welding positions. Training and guided exercise help develop the skills that make an apprentice an expert welder.
Pipe-and-Tube-Welding summary of knowledge, tips, requirements. Procedure development plan. Warning of lack of fusion. Important macro testing.Training. Report records and documentation.
An updated issue of Welding-topics fast finder. Index of Titles from PWL Past Issues. An easy Guide to published Articles and Information only one click away.
PWL#166, Manual Shielded Metal Arc Welding (SMAW) of Pipe Downhill, Sinter Brazing by unifying sintering and brazing in the same heat cycle, New Brazing Filler Metal Alloys, summaries of research papers presented at the 11th International Conference on Brazing, How to Prevent Defects in arc welded Aluminum, Laser Shot Peening, Advanced Instrumentation for Putting Welds to the Test, Study to Find the Truth and much more...
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