Glossário

Rate-Controlled Sintering (RCS)

The properties of sintered products, such as density or particle size distribution, are determined by the SinteringSintering is a production process for forming a mechanically strong body out of a ceramic or metallic powder. sintering conditions (temperature, atmosphere, etc.) and especially by the SinteringSintering is a production process for forming a mechanically strong body out of a ceramic or metallic powder. sintering rates. 

The NETZSCH Proteus^® RCS software allows for control of this SinteringSintering is a production process for forming a mechanically strong body out of a ceramic or metallic powder. sintering rate during a dilatometer measurement. In contrast to a conventional dilatometer measurement where the length change of a sample is measured after following a given temperature program – usually under a constant heating rate – RCS determines the required temperature profile for a given rate of change in length. With RCS, the temperature program of the furnace is controlled so as to achieve predefined SinteringSintering is a production process for forming a mechanically strong body out of a ceramic or metallic powder. sintering rates for the sample. Depending on the selected RCS mode, the furnace may no longer be heated at a fixed rate. The heating process may be stopped/started or continuously adapted depending on the SinteringSintering is a production process for forming a mechanically strong body out of a ceramic or metallic powder. sintering rate of the sample. The measured temperature profile can then be used for optimizing the production process.

Example:
Alumina Green Body

A test run under RCS conditions on an alumina green body is shown here. The heating rate in the SinteringSintering is a production process for forming a mechanically strong body out of a ceramic or metallic powder. sintering range is reduced by the RCS control so as to achieve a nearly constant shrinkage rate. After the SinteringSintering is a production process for forming a mechanically strong body out of a ceramic or metallic powder. sintering process is finished, the heating rate returns to the programmed value.