Company Filing History:
Years Active: 2001-2004
Title: Innovations by Mats Waldenström
Introduction
Mats Waldenström is a notable inventor based in Bromma, Sweden. He has made significant contributions to the field of cemented carbide technology, holding a total of 8 patents. His work focuses on improving the properties and manufacturing processes of cemented carbide materials.
Latest Patents
Waldenström's latest patents include a method of making cemented carbide. This invention involves mixing powder of tungsten carbide (WC) with other hard constituents and a binder phase. The process includes wet mixing without altering the grain size or distribution of the hard constituent powders. The WC grains are coated with binder metal and deagglomerated prior to mixing. The sintering process is conducted using microwave sintering at temperatures between 1325-1410 °C, with a holding time of 5-15 minutes. This method results in a cemented carbide with enhanced properties.
Another significant patent is for a coated cemented carbide insert featuring a binder phase enriched surface zone. In this invention, the WC grains have an average size ranging from 1.0-3.5 µm. The number of WC grains larger than twice the average grain size is limited to less than 10 grains/cm on a polished section. The cemented carbide is produced using powder metallurgical methods, characterized by a specific cooling rate from the sintering temperature.
Career Highlights
Mats Waldenström has been associated with Sandvik AB, a leading company in the field of materials technology. His innovative approaches have contributed to advancements in cemented carbide applications, making significant impacts in various industries.
Collaborations
Waldenström has collaborated with notable colleagues, including Ove Alm and Åke Östlund. Their combined expertise has fostered a productive environment for innovation and development in their field.
Conclusion
Mats Waldenström's contributions to cemented carbide technology through his patents and collaborations highlight his role as a significant inventor in the industry. His work continues to influence advancements in material science and engineering.
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