Charles Grant Purnell

Title: Charles Grant Purnell: Innovator in Aluminium Alloys

Introduction

Charles Grant Purnell is a notable inventor based in Wantage, GB. He has made significant contributions to the field of materials science, particularly in the development of advanced aluminium alloy products. With a total of 2 patents, Purnell's work focuses on enhancing the properties and applications of aluminium alloys.

Latest Patents

Purnell's latest patents include innovations in aluminium alloy products that achieve a pre-sintered density of at least 90% theoretical. One of his patents describes aluminium-silicon powder mixtures that comprise a hypereutectic Al–Si powder, a near eutectic Al–Si powder, and a third powder, which is aluminium or a hypoeutectic aluminium alloy. This composition allows for the production of powder metallurgy products suitable for automotive components without the need for an annealing step. Another significant patent involves a superplastic zinc/aluminium alloy that contains 18-30% by weight Al and is capable of achieving high plasticity at elevated temperatures after undergoing a multistage heat treatment.

Career Highlights

Throughout his career, Purnell has worked with various organizations, including BNF Metals Technology Centre. His expertise in materials science has led to advancements in the manufacturing processes of aluminium alloys, contributing to their application in various industries.

Collaborations

Purnell has collaborated with professionals in his field, including Henry Dickinson, to further enhance the development of innovative materials.

Conclusion

Charles Grant Purnell's contributions to the field of aluminium alloys demonstrate his commitment to innovation and excellence in materials science. His patents reflect a deep understanding of the properties and potential applications of aluminium, paving the way for future advancements in the industry.