Definition of critical temperatureS OF molds ACTION MADE FROM COMPOSITE CELLULAR MATERIALS BASED ON THE TITANIUM SPONGE

L.P. Klymeko, V.I. Andreev, O.A. Pryshchepov, L.M. Dykhta, V.Yu. Goldun

For the purpose of critical temperature definition of molds action, made of a composite cellular material, some features of structural transformations of the titanium and chemical activity of the sample were considered at thermal loading under the following program: heating from room temperature to temperature 950 °С with a speed of 30 °C/min.; endurance at temperature 950 °С; cooling to temperature 350 °С with speed of 30 °C/min. Chemical activity of the sample was checked by a method of the synchronous thermal analysis. A research objective – to establish the maximum working temperature for molds made of composite cellular materials based on the titanium sponge. As a result of research it is established that the optimum working temperature for molds made of composite material based on the titanium makes a 500 °С.

Key words: mold, titanium, composition cellular material, synchronous thermal analysis, thermogravimetric analysis, differential scanning calorimetry, spongy titanium, investigated sample, temperature.