🎓 Lesson 9 D5

Chain Link Fracture Morphology: Ductile vs. Brittle vs. Corrosion Fatigue Signatures

🎯 Learning Objectives

📋 Case Connection

📋 Case Study: Roller Chain Catastrophic Failure in John Deere 2600 Sprayer Boom Drive

Sudden chain breakage during high-speed boom deployment causing hydraulic line damage

📋 Case Study: Contamination-Driven Chain Failure in Claas Lexion 600 Grain Auger Drive

Rapid sideplate cracking and pin seizure within 120 operating hours in high-humidity, dusty environment