Technical Information

Casting

• Nickel White Silicide Hard Spots
• Casting with Nickel White Gold Alloys
• Helpful Hints for Rhodium Plating
• Helpful Hints for Investment Casting Pure Gold and Silver
• Casting with Gemstones Set in Wax
• Casting with Gemstones Set in Wax with White Gold
• Casting Cubic Zirconia in Place with United Deoxidized Sterling Silver Alloys
• Troubleshooting Air Bubbles in Wax Patterns
• Method for Removing Bubbles from Wax Injector Pots
• Mixed Waxes with Air Bubble Problems
• Wax Burnout Problems: Effects of Carbon
• Neutec Temperatures

Rolling

• Helpful Hints on Fabrication of Nickel White Gold Alloys
   
• Excessive Hardness in Nickel White Gold Investment Castings

• Acid Devesting Solution
• Quencing Too Quickly
• Alloy Contamination
• Fine Gold Contamination
• Evacuation of Vacuum Machine
• Incorrect Sprue or Gate
• Oxide Accumulation

Investment Problems

Crucibles

Premixing Grain

Porosity

• Style/Shrinkage Porosity
• Gate/Sprue Related Porosity
• Vacuum vs. Centrifugal Casting
• Deoxidized vs. Non-deoxidized
• New Additions and the Quality of Used Metal
• Melting Equipment
       -> Handi-Melt Tips
• Flask Temperature
• Sulfur Gas
• Effects of Carbon
• Talc

Graphite Breakdown in Crucibles

• Fluxing Crucible

Hot Tearing
 

• Instruction for Sterling Silver Casting Grain
• Cracking at the Sprue Junction on Rings Made with United Deoxidized Sterling Silver
• Helpful Hints for Sterling Silver

• Helpful Hints on Soldering Gold and Silver Alloys
• Why Solder Pits

• Complete Usage
• Casting Platinum and Platinum Alloy Ingots for Fabrication
• Investment Casting Platinum Alloys
• Popular U.S. Platinum Jewelry Alloys
• Heat Treatable Platinum