This session is designed for repair jewelers who regularly encounter failures in mass produced and commercially manufactured jewelry and want a clearer understanding of why those failures occur. Rather than focusing on repair techniques, the emphasis is on diagnosis and root cause analysis.

Led by Stewart Grice, Vice President of Mill Products at Hoover & Strong Inc., the session examines common manufacturing related problems through clear metallurgical reasoning rather than bench lore. Attendees will learn how alloy selection, processing methods, and production decisions influence metal behavior long before a piece ever reaches the repair bench.

The discussion connects what repair jewelers see every day to the underlying causes, helping explain why certain failures are so persistent and why some repairs are more challenging than they appear.

We will cover:

1. Why cracking occurs in tarnish resistant silver alloys.
2. Common failure modes in higher karat red gold alloys.
3. Structural issues that lead to broken prongs in nickel white gold settings.
4. The limitations of solder as a joining material rather than a filler.
5. How manufacturing shortcuts and process choices affect long term durability.

This session is about building better judgment, not assigning blame. By understanding what went wrong during manufacturing, repair jewelers gain clearer expectations, make more informed repair decisions, and communicate more effectively with customers about risk, outcomes, and longevity.