Catalog description:  The fundamentals of resistance welding with emphasis on process analysis and metallurgical aspects of weldability.

Prerequisites: WE601

Required Materials: Resistance Welding Lecture Notes

Schedule: SP Qtr., 3 classes/week

Topics:

Overview of Resistance Welding (1 week)

Weldability of Uncoated Steels (1 week)

Weldability of Coated Steels (2 weeks)

Weldability of Hardenable & Stainless Steels (1 week)

Resistance Welding Aluminum Sheet (1 weeks)

Resistance Welding of Copper, Nickel and Cobalt Alloys (1 week)

Resistance Weldability of Titanium and Refractory Alloys (1 week)

Resistance Weldability of Magnesium and Zinc Alloys (1 week)

Resistance Welding of Composite and Clad Materials (1 week)

Contribution to Professional Component (Criterion 4) of ABET 2000:

            a)            Mathematics and Basic Science            0 Credits

            b)            Engineering                                           3 Credits

            c)            General Education                                 0 Credits

Relationship of Course to Program Objectives:

1B        Apply the fundamental principles of science to analysis of physical phenomena

2A            Describe the basic operating theory of the various materials joining processes including arc, resistance, solid-state, and high energy density welding

2C            Understand materials principles and how materials are influences by joining processes.

3A            Establish welding procedures to guide production and welding personnel relative to specifications, materials, processes, design and testing.

Course Objective: Students will develop an understanding of the weldability of various material alloy systems that are commonly used in commercial resistance welding manufacturing.  An understanding of the inter-relation between process selection, power supplies, and metallurgical variables will be obtained.

Learning Outcomes:  Students should be able to:

1.      Understand the similarities and differences between the various resistance welding processes and their effect on production of metallurgically sound welds

2.      Understand the relationship between materials and spot weldability for a large variety of alloy systems

3.      Use the concept of resistance weldability to develop welding procedures in various industries including the automotive, appliance, electronic and aerospace applications

4.      Trouble shoot welding defects which occur as a result of the various process and materials variables in the system

5.      Understand how material coatings effect weldability