NVCC COLLEGE-WIDE COURSE CONTENT SUMMARY
WEL 145 - WELDING METALLURGY (3 CR.)

COURSE DESCRIPTION

Presented and examined in this course are the fundamental principles, the primary variables, and the metallurgical changes associates with welding processes. The relationships between the change in micro-structure produced by the process and mechanical performance of the welded joint are developed, with emphasis on the effect of welding variables. Lecture 2 hours. Laboratory 3 hours. Total 5 hours per week.

GENERAL COURSE PURPOSE

WEL 145 is designed to give a comprehensive picture of the principle arc welding processes so that selection can be made from a knowledge of the advantages and limitations of each process.

COURSE OBJECTIVES

Upon completion of the course the student will be able to:

a. explain the purpose and use of material control and fabrication control under the major codes.

b. understand the weldability of specific alloys.

c. examine changes in microstructure produced by the process.

d. identify defects, probability, prevention, and testing.

 MAJOR ELEMENTS OF CONTENT a. Basic types of metals and respective codes governing welding

b. Elements, compounds, and mixtures of metals

c. Thermal effects upon the microstructure and physical characteristics of metals.

d. Weldability and procedure for welding of quench and tempered steels

e. Heat treatment of welded metals

  Revised 10/95
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