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Clad Aluminum

Clad Aluminum. Resistance Welding . Learning Activities View Slides; Read Notes, Listen to lecture Do on-line workbook. Lesson Objectives When you finish this lesson you will understand:. Keywords. Core Clad Copper Containing 2xxx More-anodic unalloyed 1xxx

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Clad Aluminum

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  1. Clad Aluminum

  2. Resistance Welding • Learning Activities • View Slides; • Read Notes, • Listen to lecture • Do on-line workbook • Lesson Objectives • When you finish this lesson you will understand: Keywords

  3. Core Clad Copper Containing 2xxx More-anodic unalloyed 1xxx Zn, Mg, Cu (7049, 7050) Al-Zn 7072

  4. Cross Sectional Areas of Spot Weld Area G Area A Area F Area B Area E [Reference: Welding, p.11-7, Kaiser Aluminum & Chemical Sales, Inc.] Area D Area C

  5. Spot Welds in 0.102-in Alclad Material - Two Pieces of 2024-T Alclad Equipment - Three-Phase Direct-Energy Machine - Using Forging Force And Postheat [Reference: Resistance Welding Manual, p.11-4, RWMA]

  6. Spot Welds (a) Illustrating Fusing of the Two Layers of Alclad (b) Section Taken Parallel to the Plane of the Material Welded - Very Near to the Clad Interfaces [Reference: Resistance Welding Manual, p.11-8, RWMA]

  7. Nugget Formation with Different Weld Time Material - 2024-T Alclad Equipment - Stored-Energy Machine Top Section - Normal Elliptical Shape with Proper Timing Center & Bottom - The Effect of Increased and Excessive “Weld Time” and the Development of Hourglass Shape [Reference: Resistance Welding Manual, p.11-5, RWMA]

  8. Nugget Formation in Two Unequal Thickness Spot Welds in 5052-H34 Alclad Material - 0.064-in to 0.125-in - 5052-H34 Alclad Equipment - Three-Phase Direct-Current Machine [Reference: Resistance Welding Manual, p.11-10, RWMA]

  9. Nugget Formation in Two Unequal Thickness Spot Welds in 2024-T Alclad - 7X Material - 0.125-in to 0.375-in - 2024-T Alclad Note - Heat effect at outer surface of 0.375-in sheet [Reference: Resistance Welding Manual, p.11-11, RWMA]

  10. Nugget Formation in Three Thicknesses Spot Welds in 5052-H34 Alclad - 8-1/2X Spot Welds in 2024-T Alclad - 10X (a) 0.062-in to 0.125-in to 0.062-in (b) 0.032-in to 0.064-in to 0.032-in [Reference: Resistance Welding Manual, p.11-10, RWMA]

  11. Nugget Formation in Dissimilar Alloys and Unequal Thicknesses Material - 0.040-in-5052-H34 to 0.064-in-2024-T Alclad Equipment - Electrostatic stored-energy Machine [Reference: Resistance Welding Manual, p.11-19, RWMA]

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