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Technical requirements for the application of the optional assay mark
Certification of conformity and hallmarks of the product(DPR 4 August 2015 no.168)
Introduction
As...
MASTER ALLOY: an alloy produced in drop form that must be added to the fine metal (gold, silver or other precious metals) for the production of jewelry at title.
An exploration of the full range of HIP’s effects in terms of post-processed microstructure and mechanical properties. The goal of this new phase of research is to further our understanding...
With the help of the Boxstylab agency, Biagi analyses both the physical and on-line retail scene as well as integrated multi-channel communication, reflecting on how technological...
An analysis based on examination of customer complaints
An examination of the causes of damaged or defective jewellery returned by customers in the UK shows that many complaints are focused on platinum and white gold jewellery, particularly rings. In this presentation, an analysis of complaints...
Glossary: alloys
MASTER ALLOY: an alloy produced in drop form that must be added to the fine metal (gold, silver or other precious metals) for the production of jewelry at title.
Gold and silver, used as pure metals, do not allow to obtain jewels that stand up under wear and tear,...
Technical requirements for the application of the optional assay mark
Certification of conformity and hallmarks of the product(DPR 4 August 2015 no.168)
Introduction
As defined in art. 34, comma 5 of DPR no. 168, 4 August 2015, the company can request a test of the conformity of...
The effects of hot isostatic pressing of platinum alloy castings on mechanical properties and microstructures
In earlier research a better understanding of the solidification characteristics for a number of platinum-based alloys was established. The findings demonstrated a strong tendency...
Technical requirements for the application of the optional assay mark
Certification of conformity and hallmarks of the product(DPR 4 August 2015 no.168)
Introduction
As defined in art. 34, comma 5 of DPR no. 168, 4 August 2015, the company can request a test of the conformity of...
ALLOYS: PRODUCTION PROCESSES
Alloys for casting
Compositions characterized by an improved performance on:• metal flowability in liquid phase • increase of filling on complex shapes,• optimization of scraps reusage without problems,• minimization of solidification shrinkage.
Legor...
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