12/27/2024 10:20:56 AM	WELD 104 Course Outline as of Fall 2024	Changed Course
CATALOG INFORMATION
Discipline and Nbr:  WELD 104	Title:  GAS TUNGSTEN ARC WELDING
Full Title:  Introduction to Gas Tungsten Arc Welding (GTAW)
Last Reviewed:3/9/2020

Units		Course Hours per Week			Nbr of Weeks	Course Hours Total
Maximum	2.00	Lecture Scheduled	1.00		17.5 max.	Lecture Scheduled	17.50
Minimum	2.00	Lab Scheduled	3.00		6 min.	Lab Scheduled	52.50
		Contact DHR	0			Contact DHR	0
		Contact Total	4.00			Contact Total	70.00
		Non-contact DHR	0			Non-contact DHR Total	0

Total Out of Class Hours:  35.00

Total Student Learning Hours: 105.00

Title 5 Category:  AA Degree Applicable
Grading:  Grade or P/NP
Repeatability:  00 - Two Repeats if Grade was D, F, NC, or NP
Also Listed As: 
Formerly: 

Catalog Description:

An introduction to the principles of gas tungsten arc welding (GTAW), setup/use of GTAW equipment, and safe use of tools and equipment. Provides instruction in welding carbon steel, stainless steel, and aluminum weld joints in various positions.

Prerequisites/Corequisites:
Course Completion of WELD 170 ( or WELD 70 or WELD 70A)

Recommended Preparation:
Eligibility for ENGL 100 OR EMLS 100 (formerly ESL 100) or equivalent

Limits on Enrollment:

Schedule of Classes Information
Description:

An introduction to the principles of gas tungsten arc welding (GTAW), setup/use of GTAW equipment, and safe use of tools and equipment. Provides instruction in welding carbon steel, stainless steel, and aluminum weld joints in various positions.

(Grade or P/NP)
Prerequisites:Course Completion of WELD 170 ( or WELD 70 or WELD 70A)
Recommended:Eligibility for ENGL 100 OR EMLS 100 (formerly ESL 100) or equivalent
Limits on Enrollment:
Transfer Credit:
Repeatability:00 - Two Repeats if Grade was D, F, NC, or NP

ARTICULATION, MAJOR, and CERTIFICATION INFORMATION

Associate Degree:		Effective:		Inactive:
Area:
CSU GE:	Transfer Area			Effective:	Inactive:
IGETC:	Transfer Area			Effective:	Inactive:
CSU Transfer:		Effective:		Inactive:
UC Transfer:		Effective:		Inactive:
C-ID:

Certificate/Major Applicable: Both Certificate and Major Applicable

COURSE CONTENT

Student Learning Outcomes:
At the conclusion of this course, the student should be able to:

1. Demonstrate safe use of the tools and equipment in a welding shop.

2. GTAW weld in various positions.

3. Demonstrate competent hand-eye coordination necessary to control molten metal and produce aesthetically pleasing appearance and strength in various metals.

 

Objectives:

At the conclusion of this course, the student should be able to:

1.   Categorize the personal traits that employer look for in their employees.

2.   Describe the GTAW process and list the other terms used to identify the process.

3.   Evaluate safety issues as they pertain to shop safety, industrial safety, and personal safety

      and apply appropriate safety protective measures.

4.   Recall common terminology used in the application of welding operations.

5.   Organize common weld joint considerations and list the types of welds that can be applied to

      each joint.

6.   Analyze welding operation requirements for common applications and select the proper

      power source.

7.   Correctly assemble the parts of a GTAW welding station and GTAW torch.

8.   Name common GTAW tungsten electrodes and discuss their advantages/disadvantages for

      welding common metal alloys.

9.   Identify common AWS filler metal specifications/classification and discuss how they apply

      to different alloy metals.

10. Summarize shielding gases used in GTAW and describe their characteristics and

      effectiveness.

11. Examine related equipment maintenance requirements and apply correct tasks to ensure safe

      and effective operation.

12. Demonstrate pre-weld procedures and apply correct welding parameter adjustment tasks.

13. Employ pre-weld metal preparation techniques to ensure weld quality.

14. Apply foundational skills to weld carbon steel, aluminum, and stainless-steel weld joints to

      meet industry-based acceptance criteria.

15. Label common types of weld discontinuities and examine their root cause and prevention

      measures.

Topics and Scope

I.    Occupational Orientation

II.   Introduction to GTAW

III.  Welding Safety

IV.  Terms and definitions

V.   Weld Joints and weld types

VI.   GTAW power supplies

VII.  GTAW equipment

VIII. Electrodes / filler materials

IX.   GTAW equipment setup and operation

X.    Equipment maintenance and repair

XI.   Base metal and weld joint preparation

XII.  Procedures and techniques for welding common metal alloys

XIII. Welding defects, discontinuities, and corrective action

 

All topics are covered in the lecture and lab portions of the course..

Assignments:

Assigned projects should supplement the course content

Lecture-Related Assignments:

1. Weekly reading assignments, 10-15 pages per week.

2. Homework

3. Quizzes and Exams

Lab-Related Assignments:

1. Welding skills assignments

Methods of Evaluation/Basis of Grade.

Writing: Assessment tools that demonstrate writing skill and/or require students to select, organize and explain ideas in writing.		Writing 0 - 0%
None
This is a degree applicable course but assessment tools based on writing are not included because skill demonstrations are more appropriate for this course.
Problem solving: Assessment tools, other than exams, that demonstrate competence in computational or non-computational problem solving skills.		Problem Solving 10 - 20%
Homework problems
Skill Demonstrations: All skill-based and physical demonstrations used for assessment purposes including skill performance exams.		Skill Demonstrations 50 - 60%
Welding skills assignments
Exams: All forms of formal testing, other than skill performance exams.		Exams 10 - 20%
Quizzes and Exams
Other: Includes any assessment tools that do not logically fit into the above categories.		Other Category 0 - 10%
Participation

Representative Textbooks and Materials:

Modern Welding. 12th ed. Bowditch, William and Bowditch, Kevin and Bowditch, Mark. Goodheart Wilcox. 2020

Welding Principles and Applications. 8th ed. Jeffus, Larry. Cengage. 2017

Welding Skills. 5th ed. Moniz, B.J. American Technical Publishers. 2015 (classic)

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