cobalt based alloys. resistance welding lesson objectives when you finish this lesson you will...

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Cobalt Based Alloys

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Page 1: Cobalt Based Alloys. Resistance Welding Lesson Objectives When you finish this lesson you will understand: Learning Activities 1.View Slides; 2.Read Notes,

Cobalt Based Alloys

Page 2: Cobalt Based Alloys. Resistance Welding Lesson Objectives When you finish this lesson you will understand: Learning Activities 1.View Slides; 2.Read Notes,

Resistance Welding

Lesson ObjectivesWhen you finish this lesson you will understand:•

Learning Activities1. View Slides; 2. Read Notes, 3. Listen to lecture4. Do on-line workbook

Keywords

Page 3: Cobalt Based Alloys. Resistance Welding Lesson Objectives When you finish this lesson you will understand: Learning Activities 1.View Slides; 2.Read Notes,

Fe(9.7)

AWS Welding Handbook

Page 4: Cobalt Based Alloys. Resistance Welding Lesson Objectives When you finish this lesson you will understand: Learning Activities 1.View Slides; 2.Read Notes,

AWS Welding Handbook

Page 5: Cobalt Based Alloys. Resistance Welding Lesson Objectives When you finish this lesson you will understand: Learning Activities 1.View Slides; 2.Read Notes,

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

Page 6: Cobalt Based Alloys. Resistance Welding Lesson Objectives When you finish this lesson you will understand: Learning Activities 1.View Slides; 2.Read Notes,

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

Page 7: Cobalt Based Alloys. Resistance Welding Lesson Objectives When you finish this lesson you will understand: Learning Activities 1.View Slides; 2.Read Notes,

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

Page 8: Cobalt Based Alloys. Resistance Welding Lesson Objectives When you finish this lesson you will understand: Learning Activities 1.View Slides; 2.Read Notes,

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

Example: Cast MAR-M 302

MC

M23C6

M6CEutectic

Page 9: Cobalt Based Alloys. Resistance Welding Lesson Objectives When you finish this lesson you will understand: Learning Activities 1.View Slides; 2.Read Notes,

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

Page 10: Cobalt Based Alloys. Resistance Welding Lesson Objectives When you finish this lesson you will understand: Learning Activities 1.View Slides; 2.Read Notes,

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.

Page 11: Cobalt Based Alloys. Resistance Welding Lesson Objectives When you finish this lesson you will understand: Learning Activities 1.View Slides; 2.Read Notes,
Page 12: Cobalt Based Alloys. Resistance Welding Lesson Objectives When you finish this lesson you will understand: Learning Activities 1.View Slides; 2.Read Notes,

Manufacture of a Non-Migrating Vascular Prosthesis

McNamara, E, & Weiser, M, “Non-migrating Vascular Prosthesis and minimally invasive Placement System Therefore”, US Patent 6,004,347 Dec 21, 1999

Blood Vessel Liner and Spring Made From MP35N Wire Compressed & Inserted In Artery

Mesh & Anchor Hooks Resistance Welded Zig-Zag Wire Spring

Placement in Artery