Technical Articles

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Ceramic foam debinding and sintering in one process

The Fraunhofer Institute for Ceramic Technologies and Systems (IKTS) in Dresden, Germany, carries out research into advanced ceramics, ranging from preliminary research through to a wide range of sophisticated applications. IKTS are involved in the development of industrial powder processing technologies and the manufacture of prototype structural ceramics, functional ceramics and cermet (ceramic-metal hybrids).

Condensate-free debinding with vacuum furnaces

Today techniques like pressing, rapid prototyping, powder metallurgy, siliconization and sintering are widely used production methods. Sintering, for example, is only the last step of a near-net-shape fabrication technology. Many processes, such as metal injection molding (MIM) for example, require a debinding step prior to the actual sintering.

Determining the CO2 reactivity of petroleum coke

Calcinated petcoke is an essential ingredient in the production of aluminium. Its quality needs to be monitored continuously throughout the production process to ensure a high quality metal grade. As part of its range of coke testing furnaces, Carbolite has designed a special model for determining the CO2 reactivity of petroleum coke in accordance with ISO 12981-1. The furnace has a single, vertical, tubular heating zone which is integrated into the unit, giving a neat and compact design overall.

Heat treatment at low pressures

High temperature vacuum furnaces are used for heat treatment of samples at low pressure (down to 10-6 mbar) and under partial gas atmospheres. In the bottom loader version the bottom is lowered and driven out of the furnace. It then pivots forward to permit easy loading. This design makes the useable volume accessible from all sides and allows for exact placement of the sample thermocouples which measure the temperature of the sample.

Heat Treatment Solutions for Innovative Battery Components

In the realm of battery manufacturing, the quality of materials and the precision of production processes play a pivotal role in determining the efficiency and longevity of the final product. High-quality materials ensure that the batteries can store and deliver energy reliably, while meticulous production processes guarantee consistency and safety.

High Temperature Furnace for Heat Treatment of Superconducting Magnets at CERN

The high temperature furnace GLO 10 000 KE/09-1G from CARBOLITE GERO is tailored for the heat treatment of superconducting coils for CERN. The plant, which is going into full operation at the CERN site in the middle of this year, was introduced in detail to the technical press on 18 March 2016 by CARBOLITE GERO at its premises in Neuhausen.

High vacuum soldering and brazing with hood furnaces

Nowadays many electronic components, for example devices used in satellites or aircraft, have to withstand challenging environments such as vacuum or extremely high temperatures. To manufacture reliable electronic components like these a connection between dissimilar materials is required.

Recycling and assessing precious metals

Global demand for precious metals continues to soar, whether for jewellery or for use in industrial applications. While gold and silver have been used for thousands of years in jewellery, more recently precious metals are performing useful and specialist functions in chemical processes, electronics manufacturing, aerospace and automotive systems, eg catalytic converters. CARBOLITE equipment is used throughout the world both for recycling these relatively rare commodities and for assessing their purity. Two key processes in the precious metals market are smelting and cupellation

The future of ash fusion analysis

Professor Ed Lester and Thomas Huddle, University of Nottingham, Patrick Daley, the EPSRC Centre for Doctoral Training in Carbon Capture and Storage and Cleaner Fossil Energy, and Paul Haigh, Carbolite Gero Ltd, UK, detail advances in ash fusion analysis.