Ultrasonic Dead Zones in Thin Transformer Tank Welds
A thin tank seam may place near-surface and b…
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Magnetic-Particle Testing of Transformer Tank Attachment Welds
One magnetization direction can miss a differ…
원문 읽기Radiator Header Welds: Inspect Before Access Closes
Final inspection can have less access than an…
원문 읽기Welding Thin Corrugated Transformer Panels to Heavy Frames
The thin sheet and heavy frame can impose com…
원문 읽기Back-Gouged Transformer Tank Welds: Inspect the Exposed Root
The back-gouged surface is an inspection oppo…
원문 읽기Transformer Tank Corner Welds: Detect Lack of Fusion
A corner geometry can hide the fusion boundar…
원문 읽기Transformer Tank Weld Porosity: Does It Form a Leak Path?
A weld pore needs connectivity to create a th…
원문 읽기Transformer Tank Weld Qualification: Cover Each Oil-Retaining Joint
Structural weld qualification and oil tightne…
원문 읽기Transformer Tank Salt-Spray Tests Do Not Predict Service Life
A salt-spray duration is a test exposure, not…
원문 읽기Trace Transformer Tank Coating to Its Serial Number
A batch record is useful when it identifies w…
원문 읽기Transformer Cooling Fins: Keep Painted Air Passages Open
A coating defect can change an air passage as…
원문 읽기Paint Repair on Oil-Contaminated Transformer Tank Steel
A clean-looking surface can become oily again…
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