Angelina College Technology and Workforce Division WLDG-1337 Introduction to Welding Metallurgy General Syllabus

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1 Angelina College Technology and Workforce Division WLDG-1337 Introduction to Welding Metallurgy General Syllabus Revised 10/25/18 1. BASIC COURSE INFORMATION: A. Course Description: WLDG 1337 Introduction to Welding Metallurgy. Three hours credit. A study of metals from the ore to the finished product. Emphasis on metal alloys, heat treating, hard surfacing, welding techniques, forging, foundry processes, and mechanical properties of metal including hardness, machinability, and ductility. This course is a fully online course. Three Lecture hours each week. Lab Fee. B. Intended Audience: Sophomore course C. Instructor: (See Blackboard Course Content for Instructor Information) Office Location: Office Hours: Phone: Address: II. INTENDED STUDENT OUTCOMES: A. Core Objectives Required for this Course 1. Critical Thinking: to include creative thinking, innovation, inquiry, and analysis, evaluation and synthesis of information 2. Communication: to include effective development, interpretation and expression of ideas through written, oral and visual communication 3. Empirical and Quantitative Skills: to include the manipulation and analysis of numerical data or observable facts resulting in informed conclusions 4. Teamwork: to include the ability to consider different points of view and to work effectively with others to support a shared purpose or goal 5. Personal Responsibility: to include the ability to connect choices, actions and consequences to ethical decision-making 6. Social Responsibility: to include intercultural competence, knowledge of civic responsibility, and the ability to engage effectively in regional, national, and global communities B. Course Learning Outcomes for all Sections Describe technical terms used in metallurgy and classification of metals; identify metals and how they are processed and used in industry; and describe mechanical and physical properties, surface treatments, and heat treatment of metals. III. ASSESSMENT MEASURES A. Assessments for the Core Objectives: 1. Critical Thinking: Students will be given a job related scenario and ask to answer questions on how best to plan for and complete the job. AC Standardized Rubrics will be used for grading.

2 2. Communication: Students will be required to effectively communicate with instructors and fellow students throughout the course. Assignments will be given to aid in facilitating communications. 3. Empirical and Quantitative Skills: Students will be required throughout the course to develop their skills in mathematical calculations of material requirements, and appropriate measurements. 4. Teamwork: Students will be given a group project to design, develop a material list, and complete the project. AC Standardized Rubrics will be used for grading. 5. Social Responsibility & Personal Responsibility: Students will be required to develop a contract between themselves and the instructor stating what is required of them to be successful in the course. AC Standardized Rubrics will be used for grading. B. Assessments for Course Learning Outcomes 1. Students will be tested for knowledge of technical terms, and various phases of metallurgy. 2. Students will be tested for knowledge of ferrous and nonferrous metals and how they are used in industry. 3. Students will be tested for knowledge of Mechanical, and Physical properties of metals. 4. Students will be tested for knowledge of surface treatments, and heat treatments of metals. 1. INSTRUCTIONAL PROCEDURES: 1. This course is taught online with weekly test covering the material learned during the week. 2. A midterm and final exam are scheduled to be proctored on campus. V. COURSE REQUIREMENTS AND POLICIES: A. Required Textbooks and Recommended Readings, Materials and Equipment Metallurgy Author: Daniel A. Brandt and J.C. Warner B. Assignments (Appropriate due dates, schedules, deadlines) Assessments over the chapters covered from your Textbook will be completed using the Black Board Learning System. It can be accessed from any computer on or off campus with an Internet Connection. The link to Black Board is located on the right-hand tool bar of the main college web site: READING ASSIGNMENTS: a. Student will read chapters in text as assigned by instructor b. See Attachment B for required chapter assignments. c. Due dates can be accessed in the assessment folder on Blackboard. WRITING ASSIGNMENTS: a. Writing assignments will be assigned as needed in the course. B. Course Policies This course conforms to the policies of Angelina College as stated in the Angelina College Handbook. 1. Educational Accommodations If you have a disability (as cited in Section 504 of the Rehabilitation Act of 1973 or Title II of the Americans with Disabilities Act of 1990) that may affect your participation in this class, you may fill out the Educational Accommodations application within your AC Portal, under the Student Services tab. A Student Success team member will contact you once the application is received. At a post-secondary institution, you must self-identify as a person with a disability in order to receive services; for questions regarding the application process you can visit the Office of Student Success and Inclusion in the Student Center (205A); text ; or access@angelina.edu. To report any complaints of discrimination related to a disability, you should

3 contact Mr. Steve Hudman, Dean of Student Affairs, in Room 101 of the Student Center. You may also contact Dean Hudman by calling (936) or by ing 2. Attendance Attendance is required as per Angelina College Policy and will be recorded every day. Any student with three (3) consecutive absences of four (4) cumulative absences may be dropped from the class. Records will be turned in to the academic dean at the end of the semester. Do not assume that non-attendance in class will always result in an instructor drop. You must officially drop a class or risk receiving an F. This is official Angelina College Policy. 3. Course Specific Attendance Policy a. Attendance is recorded by activity in the course, but is not reflected in the grading of assignments. b. By not participating in the required weekly assessments will result in being dropped from the course once it reaches 3 consecutive weeks or 4 accumulative weeks. VI. COURSE OUTLINE: Description of the Course Activities including due dates, schedules, and deadlines. 1. Refer to the course on the Blackboard Learning System VII. EVALUATION AND GRADING: a) Grading Criteria 12 Assignments from the Text (Completed on Blackboard) Mid Term Final Exam a. Chapter Test 40% b. Mid Term & Final 60% b) Determination of Grade = A = A = B = C = D 0-64 = F VIII. SYLLABUS MODIFICATION: The instructor may modify the provisions of the syllabus to meet individual class needs by informing the class in advance as to the changes being made. IX. WORKFORCE TECHNOLOGY STATEMENT: a. As a student enrolled in a Technology & Workforce program, you will encounter certain risks while you are in a classroom, laboratory experience, or in a clinical or practicum setting. In the event that you sustain an injury and/or require any medical testing or care, all resulting medical expenses (hospital, ambulance, or physician fees), are your financial responsibility and not the responsibility of Angelina College or the clinical/practicum site.

4 Attachment B WLDG 1337 (ALL SECTIONS) (1) Practical Applications of Metallurgy a. Define metallurgy b. Explain what a metallurgist does. c. Describe how metallurgy knowledge can be used to solve industrial problems. d. State why the study of metallurgy can be a valuable asset. (2) Metallurgical and Chemical Terminology a. State the meaning of basic metallurgy terminology. b. Explain how chemistry is related to metallurgy. c. Define chemical terms such as element, compound, solution, and atom. d. Describe metals and alloys. (3) Hardness a. Explain what hardness is. b. Describe how the hardness of metal is found. c. Compare different hardness testing methods. d. Discuss how each hardness testing method works. e. Convert between hardness scales. (4) Material Properties a. Explain the relationship between strength, hardness, and ductility. b. Compare the various types of stresses that materials must withstand. c. Compare elastic and plastic deformation. d. Explain modulus of elasticity. e. Determine lateral strain using Poisson s ratio. f. Describe types of corrosion. g. Explain thermal properties such as melting point, coefficient of thermal expansion, thermal conductivity, and specific heat. (5) What is Steel a. Describe the composition of steel b. Identify the differences between steel and iron. c. Use the steel numbering system to identify various types of steel. d. Identify the effects of different alloying elements on steel. e. Describe various kinds of carbon steel and alloy steel. f. Compare the different types of cast iron. (6) Manufacture of Iron and Steel a. Identify the basic steps in the production of steel. b. Describe how cast iron is made c. Identify the properties and uses of iron ore and pig iron. d. Differentiate between common steel-making and cast iron-making processes. e. Discuss how rolling mills change steel ingots into different shapes. (7) Crystal Structure a. Explain how crystal is formed in metal. b. Discuss the formation of space lattice structures and dendrites. c. Describe the appearance of atoms inside crystals. d. Explain how temperature affects the growth of a crystal. e. Tell what is meant by grain size. (8) Failure and Deformation of Metal a. Explain what happens inside a piece of metal when it breaks. b. State what is meant by deformation of metal.

5 c. Summarize the different types of metal failure or breakage. d. Describe work hardening and its applications. (9) Iron-Carbon Diagram a. Describe five important structural forms of steel and iron. b. Identify the transformation regions and other major elements of an iron-carbon diagram. c. Use an iron-carbon diagram to determine the steel structures that occur at various combinations of temperatures and percentages of carbon d. Explain how different cooling techniques are used to produce mechanical properties in steel. e. Use an iron-carbon diagram to determine the temperature to which steel must be heated to cause it to harden. (10) Microstructural Analysis a. Compare different structures of steel under a microscope. b. Describe the microscopic appearance of ferrite, pearlite, cementite, austenite, and martensite. c. Recognize ferrite, pearlite, cementite, austenite, and martensite by looking at their microstructures. d. Prepare a sample of metal for microscopic observation. (11) Heat Treating and Quenching a. Explain heat-treating processes. b. Describe the effects and purpose of quenching. c. Discuss the four stages that metal goes through as it is quenched. d. Identify common quenching mediums and techniques and describe how they affect metal. e. Point out the advantages and disadvantages of quenching a material more rapidly. f. Apply some practical quenching techniques. (12) Annealing and Normalizing a. Describe the purpose of annealing and normalizing metal. b. Explain how annealing and normalizing affect the hardness, strength, and brittleness of metal. c. Describe how annealing and normalizing affect the crystal structure of metal. d. Identify three different types of annealing processes. e. List the different ways in which annealing and normalizing affect metal compared to quenching. (13) Chapter Thirteen is skipped (14) Tempering a. Explain the purpose of tempering b. Identify characteristics of tempered steel. c. Discuss some practical aspects of tempering d. Describe common tempering methods used in industry. e. Explain how tempering affects distortion and hardness. (15) Surface Hardening a. Explain the principles of surface hardening. b. Identify metallurgical applications for surface hardening. c. Describe the three basic surface-hardening methods. d. Identify eight different processes used to case-harden materials e. Compare the advantages and disadvantages of each surface-hardening process. (16) Processing Nonferrous Metals a. Identify and explain the basic processing methods used for nonferrous metals. b. Describe the different types of atomic structures in metals. c. Explain the principles of alloying and the structural effects produced by alloying elements. d. Summarize the effects of cold working on metal. e. Recognize how precipitation hardening is applied to improve the properties of nonferrous alloys. (17) Aluminum and Aluminum Alloys a. Describe the desirable properties of aluminum and aluminum alloys. b. Explain how aluminum is refined.

6 c. List common applications of aluminum and aluminum alloys. d. Explain how alloying, cold working, and precipitation hardening can be used to change the properties of aluminum. (18) Copper, Bronze, and Brass a. List and explain the desirable properties of copper and its alloys. b. Explain how copper is refined from copper ore. c. Describe the favorable properties of bronze and brass. d. Explain the effects of work hardening and precipitation hardening on copper and its alloys.

7 Spring 2019 Metalurgy Intro & Adv. Date Day Home Work 1/14/2019 Mon 1/15/2019 Tue 1/16/2019 Wed Intro to Metallurgy 1/17/2019 Thur Study Chapters 1 & 2 1/18/2019 Fri 1/21/2019 Mon Advanced Metalurgy 1/22/2019 Tue Study Chapter 6 1/23/2019 Wed 1/24/2019 Thu 1/25/2019 Fri Test are Due Sunday 1/27/19 1/28/2019 Mon Intro to Metallurgy 1/29/2019 Tue Study Chapter 3 1/30/2019 Wed Advanced Metalurgy 1/31/2019 Thu Study Chapter 7 2/1/2019 Fri Test are Due Sunday 2/3/19 2/4/2019 Mon Intro to Metallurgy 2/5/2019 Tue Study Chapter 4 2/6/2019 Wed Advanced Metalurgy 2/7/2019 Thu Study Chapter 8 2/8/2019 Fri Test are Due Sunday 2/10/19 2/11/2019 Mon Intro to Metallurgy 2/12/2019 Tue Study Chapters 5 & 6 2/13/2019 Wed Advanced Metalurgy 2/14/2019 Thu Study Chapter 9 2/15/2019 Fri Test are Due Sunday 2/17/19 2/18/2019 Mon Intro to Metallurgy 2/19/2019 Tue Study Chapter 7 2/20/2019 Wed Advanced Metalurgy 2/21/2019 Thu Study Chapter 10 2/22/2019 Fri Test are Due Sunday 2/24/19 2/25/2019 Mon Intro to Metallurgy 2/26/2019 Tue Study Chapter 8 2/27/2019 Wed Advanced Metalurgy 2/28/2019 Thu Study Chapter 11 3/1/2019 Fri Test are Due Sunday 3/3/19

8 3/4/2019 Mon Intro to Metallurgy 3/5/2019 Tue Mid Term Exam 3/6/2019 Wed Advanced Metalurgy 3/7/2019 Thu Mid Term Exam 3/8/2019 Fri Test are Due Sunday 3/10/19 3/11/2019 Mon 3/12/2019 Tue 3/13/2019 Wed No Home Work Assignment 3/14/2019 Thu 3/15/2019 Fri 3/18/2019 Mon Intro to Metallurgy 3/19/2019 Tue Study Chapter 9 3/20/2019 Wed Advanced Metalurgy 3/21/2019 Thu Study Chapter 12 3/22/2019 Fri Test are Due Sunday 3/24/19 3/25/2019 Mon Intro to Metallurgy 3/26/2019 Tue Study Chapter 10 3/27/2019 Wed Advanced Metalurgy 3/28/2019 Thu Study Chapter 13 3/29/2019 Fri Test are Due Sunday 3/31/19 4/1/2019 Mon Intro to Metallurgy 4/2/2019 Tue Study Chapters 11 & 12 4/3/2019 Wed Advanced Metalurgy 4/4/2019 Thu Study Chapter 14 4/5/2019 Fri Test are Due Sunday 4/7/19 4/8/2019 Mon Intro to Metallurgy 4/9/2019 Tue Study Chapters 14 & 15 4/10/2019 Wed Advanced Metalurgy 4/11/2019 Thu Study Chapter 15 4/12/2019 Fri Test are Due Sunday 4/14/19 4/15/2019 Mon Intro to Metallurgy 4/16/2019 Tue Study Chapters 16 & 17 4/17/2019 Wed Advanced Metalurgy 4/18/2019 Thu Study Chapter 17 4/19/2019 Fri Test are Due Sunday 4/21/19 4/22/2019 Mon Intro to Metallurgy 4/23/2019 Tue Study Chapters 18 & 19

9 4/24/2019 Wed Advanced Metalurgy 4/25/2019 Thu Study Chapter 21 4/26/2019 Fri Test are Due Sunday 4/28/19 4/29/2019 Mon Intro to Metallurgy 4/30/2019 Tue Final Exam 5/1/2019 Wed Advanced Metalurgy 5/2/2019 Thu Final Exam 5/3/2019 Fri Test are Due Sunday 5/5/19 5/6/2019 Mon 5/7/2019 Tue