Håkan Engqvist

Title: Håkan Engqvist: Innovator in Cemented Carbide Wear Parts

Introduction

Håkan Engqvist is a notable inventor based in Uppsala, Sweden. He has made significant contributions to the field of cemented carbide wear parts, particularly in enhancing their friction and wear properties. With a total of two patents to his name, Engqvist's work is recognized for its innovative approach to material science.

Latest Patents

Engqvist's latest patents focus on seal rings with improved friction and wear properties. The first patent describes a cemented carbide wear part that features a wear surface designed to enhance its durability. This improvement is achieved by applying a surface layer with a thickness ranging from 0.5 µm to 25 µm, ideally between 1 to 10 µm, and an average WC grain size of less than 500 nm. The surface layer is created through a lapping process using an abrasive disc for at least 10 minutes at speeds between 1000 to 3000 rpm, under a pressure of 0.1 to 0.5 MPa, preferably without any grinding media.

Career Highlights

Håkan Engqvist is associated with Sandvik AB, a leading company in the field of advanced materials and engineering. His work at Sandvik has allowed him to focus on the development of innovative wear parts that meet the demands of various industrial applications.

Collaborations

Engqvist has collaborated with notable colleagues such as Stefan S Ederyd and Niklas Axén. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Håkan Engqvist is a prominent figure in the field of cemented carbide wear parts, with a focus on improving friction and wear properties through innovative engineering solutions. His contributions continue to impact the industry positively.