MATERIALS AND MANUFACTURING
• Nonstructural Adhesives: Pressure-Sensitive Adhesives • Properties of Pressure-Sensitive Adhesives • Summary Learning Objectives • Describe synthetic adhesives. • Describe structural adhesives. • Describe epoxy adhesives. • Describe the chemical properties of epoxy adhesives. • Describe urethane adhesives. • Describe the chemical properties of urethane adhesives. • Describe acrylic adhesives. • Describe the chemical properties of acrylic adhesives. • Describe cyanoacrylate adhesives. • Describe the chemical properties of cyanoacrylate adhesives. • Describe silicone adhesives. • Describe the chemical properties of silicone adhesives. • Describe anaerobic adhesives. • Describe the chemical properties of anaerobic adhesives. • Describe hot melts. • Describe the properties of hot melts. • Describe pressure-sensitive adhesives. • Describe the properties of pressure-sensitive adhesives. Surface Preparation This course discusses surface factors that affect adhesion, the nature of the different types of surfaces used in adhesive bonding, and the methods of selecting and preparing a surface for adhesive bonding. Topical Outline • Objectives The Nature of a Bonded Surface • Factors Preventing Successful Adhesion • Types of Surfaces • Types of Surfaces: Metal • Types of Surfaces: Plastic • Why Prepare a Surface? • Selecting a Surface Treatment • Passive vs. Active Surface Treatment • Passive Surface Treatment: Physical Methods • Types of Physical Abrasive Methods • Passive Surface Preparation: Chemical Methods • Active Chemical Surface Treatment: Metal Surfaces • Active Chemical Surface Treatment: Plastic Surfaces • Active Physical Surface Treatment: Plastic Surfaces • Determining the Effectiveness of a Surface Treatment • Storing Prepared Surface Materials • Summary Learning Objectives • Describe a boundary layer. • Describe factors that prevent adhesive bonding.
• Describe types of surfaces. • Describe metal surfaces. • Describe plastic surfaces. • Describe the benefits of preparing a surface.
• Identify questions that assist in selecting a surface treatment. • Distinguish between active and passive surface treatment. • Describe passive physical surface treatment. • Describe common methods of surface abrasion. • Describe passive chemical surface treatment. • Describe common active chemical treatment processes for metal surfaces. • Describe common active chemical treatments for plastic surfaces. • Describe common active physical treatments for plastic surfaces. • Describe common methods that determine the effectiveness of a surface treatment. • Explain how to store a prepared surface. Steps for Adhesive Application This course discusses each step involved in the adhesive applica- tion process, as well as basic dispensing methods and methods of testing the effectiveness of the application process on the assembly line. Topical Outline • Objectives • Knowing the Adhesive Application Process • The Application Process • Storing an Adhesive
• Metering Adhesive Components • Mixing Adhesive Components • Dispensing an Adhesive • Manual Dispensing Methods • Low-Technology Manual Dispensing Methods • Time-Pressure Dispensing Methods • Positive-Displacement Method
• Automating Dispensing • Valve Dispensing Method • Fixturing the Parts • Monitoring the Application Process • Summary Learning Objectives • Describe the importance of proper handling during the adhesive application process. • Describe factors that affect the condition and performance of a joint. • Explain how to store an adhesive.
• Describe methods used to meter adhesives. • Explain how to mix adhesive components. • List factors that assist in selecting an adhesive dispensing method.
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