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Cobalt Based Alloys

Cobalt Based Alloys. 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. Fe (9.7). AWS Welding Handbook. AWS Welding Handbook.

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Cobalt Based Alloys

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  1. Cobalt Based Alloys

  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. Fe (9.7) AWS Welding Handbook

  4. AWS Welding Handbook

  5. Sullivan, CP, Et. Al. “Covalt-Base Superalloys – 1970”Centre D’Information Du Cobalt, Brussels, 1970

  6. Sullivan, CP, Et. Al. “Covalt-Base Superalloys – 1970”Centre D’Information Du Cobalt, Brussels, 1970

  7. Sullivan, CP, Et. Al. “Covalt-Base Superalloys – 1970”Centre D’Information Du Cobalt, Brussels, 1970

  8. M23C6 M6C Eutectic MC Example: Cast MAR-M 302 Sullivan, CP, Et. Al. “Covalt-Base Superalloys – 1970”Centre D’Information Du Cobalt, Brussels, 1970

  9. Applications • First Stage Turbine Blades & Lower Temp • Sheet applications such as exhaust case & Burner liners • Medical Implants

  10. Resistance Welding The resistance welding manual says: Cobalt alloys can be spot, seam and flash welding with conditions similar to that of Nickel. But they also say data is limited. RWMA concludes: current requirements will be no more than for SS, but slightly higher welding forces will be required. Welding time should also be about the same.

  11. Some Applications

  12. Manufacture of a Non-Migrating Vascular Prosthesis Mesh & Anchor Hooks Resistance Welded Zig-Zag Wire Spring Placement in Artery Blood Vessel Liner and Spring Made From MP35N Wire Compressed & Inserted In Artery McNamara, E, & Weiser, M, “Non-migrating Vascular Prosthesis and minimally invasive Placement System Therefore”, US Patent 6,004,347 Dec 21, 1999

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