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2022-2023 College Catalog [ARCHIVED CATALOG]

BCT 106 - Soldering and Brazing for BCT

4 Credits, 6 Contact Hours
2 lecture periods 4 lab periods

Principles and technologies of joining different types of alloys by braze welding and soldering. Includes safety and health, procedures and design, pre-cleaning and surface preparation, filler metals, fluxes and atmospheres, torch brazing, pipe and tube, copper, and cast iron.

Prerequisite(s): BCT 105  and BCT 107  or concurrent enrollment.
Information: BCT 100 , BCT 112 , and BCT 115  substitute for BCT 105 , BCT 111 , BCT 113 , and BCT 114  substitute for BCT 107 .
  button image Prior Learning and link to PLA webpage

Course Learning Outcomes
  1. Describe the process principles, definitions, and factors controlling the properties of brazing and soldering.
  2. Demonstrate safety precautions related to braze welding and soldering processes.
  3. Discuss the advantages and disadvantages of the braze and soldering processes, uses of equipment, materials, metallurgical considerations, and applications.
  4. Discuss the proper selection of base metal, filler metal, joint design, and joint fit-up.
  5. Prepare, clean, and assemble correctly specified joints to be brazed or soldered.
  6. Select the correct type of filler material for the projects.
  7. Demonstrate torch brazing and soldering techniques and discuss safe applications.
  8. Fabricate pipe and tube connections.
  9. Describe the correct application for the copper/copper alloys projects.
Outline:
  1. Introduction
    1. Process principles and definitions
    2. Factors controlling the properties of the brazing and soldering
  2. Safety and Health
    1. General area safe practice
    2. Protection of personnel
    3. Fire prevention and protection
    4. Handling of compressed gases
    5. Brazing and soldering equipment safety
  3. Braze Welding and Soldering Procedures
    1. Advantages and disadvantages
    2. Equipment and materials
    3. Metallurgical considerations
    4. General process applications
    5. Braze welding and soldering procedures
  4. Brazing and Soldering Design
    1. Selection of base metal
    2. Selection of filler metal with respect to joint design
    3. Types of joints
    4. Joint fit-up
  5. Pre-cleaning and Surface Preparation
    1. Chemical cleaning
    2. Mechanical cleaning
    3. Braze flow inhibitors
    4. Maintaining cleanliness
  6. Brazing and Soldering Filler Metals
    1. Definition and general characteristics
    2. Melting of filler materials
    3. Filler metal classifications
  7. Fluxes and Atmospheres
    1. Fluxes
    2. Controlled atmospheres
    3. References
  8. Torch Brazing and Soldering
    1. Applications
    2. Equipment and fuel gases
    3. Process techniques
  9. Pipe and Tube
    1. Cutting and sizing
    2. Pre-cleaning
    3. Assembly
    4. Applying heat and filler metals
  10. Copper and Copper Alloys
    1. Types of base metals
    2. Types of filler metals
    3. Pre-cleaning and surface preparation
    4. Safety
  11. Cast Iron Brazing
    1. Preparation of cast iron for brazing
    2. Metallurgical considerations
    3. Brazing process
    4. Dissimilar metals brazing