Enameling is a time-honored process that’s great for bringing elegant color to metal jewelry.
Posted on
Posted on
Spin Doctor
An Expert Offers Cures for Centrifugal Rubber Mold Casting Ailments Spin Doctor An Expert Offers Cures for Centrifugal Rubber Mold Casting Ailments Centrifugal rubber mold casting (CRMC) is a common jewelry manufacturing process, particularly in the production of costume jewelry.
Posted on
Improving Your Silver Casting
In addition to all of the casting problems normally encountered with karat gold jewelry alloys, there are some problems associated with sterling silver. Before tackling these silver casting problems, let’s examine why silver is more difficult to cast than gold.
Posted on
Understanding Metals: General Metallurgy, Pt. III
In this installment of General Metallurgy, Paul Finelt finishes his discussion of phase diagrams and begins on practical applications for casting.
Continue reading Understanding Metals: General Metallurgy, Pt. III
Posted on
Understanding Metals: General Metallurgy, Pt. II
This installment of Paul Finelt’s Understanding Metals deals with understanding alloy phase diagrams. It is probably the most technical and complicated article of the series, but once the reader is over this ‘hump,’ practical application for the jeweler and manufacturer will follow…
Continue reading Understanding Metals: General Metallurgy, Pt. II
Posted on
Electroforming on Beads
In this article, I hope to present a very simple description of electroforming. In his book, Jewelry: Concepts and Technology (New York, NY: 1982, Doubleday), Oppi Untract defines electroforming as the “process of synthesizing a metal object by controlling the electrodeposition of metal passing through an electrolytic solution onto a metal or metalized form.” Very…
Posted on
Why Jewelry Sometimes Blackens the Skin or Clothing
Metallic Abrasion Make-up present on the skin or clothing is the most common cause of the blackening or smudging. Cosmetics often contain chemical compounds which are harder than the jewelry itself. Metallic abrasion occurs when these hard compounds come in contact with the jewelry metals and wear or rub off very tiny particles of metal…
Continue reading Why Jewelry Sometimes Blackens the Skin or Clothing
