News

News

Industry News| Progress With Metal-ceramic Composites

Date: 2018-12-17
Views: 137

Researchers at Osaka University have developed a method for manufacturing composites of alumina ceramics and titanium.

Various types of metal-ceramic composite have been researched and developed, the researchers say, but their combination and fine structures have been limited. In particular, the combination of ceramics such as alumina used as matrices and titanium – a biocompatible metal – has proved problematic, in that the structure of the composites achieved has not been uniform. This is due to the high reactivity of titanium – oxidation happens and chemical compounds are produced – and the large particle size of commercially-available titanium powders, of several tens of micrometres.

Industry News| Progress With Metal-ceramic Composites


In order to fully exploit the advantages of both ceramics and metal in composites, the Osaka team has designed a percolation structure for forming a continuous conduction pathway by dispersing fine-sized titanium particles into an alumina matrix, optimising the particle size of the metallic titanium powder and sintering processes. The result is said to be improved fracture toughness and electrical conductivity, while simultaneously providing the composites with photocatalytic ability through chemical and/or thermal treatment.

The researchers have also demonstrated that, while ceramics are not electrically conductive, the composites can be machined by electrical discharge machining like metals.

They could also be used for industrial products and biomaterials as new multi-functional composites that have an active surface layer with antibacterial properties and a photocatalytic ability to break down pollutants.


Via: https://www.insidecomposites.com/progress-with-metalceramic-composites/


News / Recommended news More
2019 - 03 - 14
3D printing or “additive manufacturing” is the process of joining materials to make objects from three-dimensional model data, usually layer upon layer.Additive manufacturing (AM) has found its application in different sectors of the power industry, both in building prototypes and in mainstream production leading to process simplification and operational efficiency.AM can produce components with c...
2019 - 03 - 15
Development and innovation through materials and manufacturing technologies are essential for the wind industry to prosper and to continue increasing its annual energy production.AM could in the future enable in-site manufacture of turbine components that are designed for the unique needs of the resources of a particular location. Also, AM provides a tool to make up for the demand and supply for w...
2019 - 03 - 07
Visitors stand behind a 3D-printed model created for medical purpose China is quickly closing the gap on the adoption of 3D printing, a sector on the cusp of transforming from prototyping and design to real-life manufacturing and end-user engagement, according to an industry executive.Some of the most advanced 3D printing applications will be driven by Chinese companies, in light of the level...
2019 - 02 - 28
The potential uses for unique self-healing materials are numerous, varying from fixing cell phone screens and other electronics to repairing cartilage and other biomedical applications. Now, a team of student and faculty researchers from the University of Southern California (USC) Viterbi School of Engineering have created 3D printable, self-h...
Share:
Uniris Exhibition Shanghai Co., Ltd.
Shanghai Branch 
Tel: 4000 778 909 
E-mail:irisexpo@163.com
Guangzhou Branch
Tel:020-8327 6389
Email:pmchina@unifair.com
PM CHINA Official Website
犀牛云提供企业云服务
Scan the QR code to visit the official website by phone