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The characterisation of hot-pressed silicon nitride (HPSN) under the conditions of coal gasification can be determined in two ways. Firstly samples can be exposed to a simulated coal gasification atmosphere and then undergo mechanical testing in an inert atmosphere or vacuum; several important results of this method are presented. A second method, the in-situ method, is described, in which samples are exposed to the same gas while they are subjected to mechanical stress; initial results are compared with those from the first method.

Additional information

Authors: HOFFMANN M, Montanuniversität Leoben, CD Laboratorium für Hochleistungskeramik am Institut für Struktur- und Funktionskeramik, Österreich (DE);STEEN M, JRC Petten (NL)
Bibliographic Reference: Paper presented: Testigkeitsseminar über Keramische (verbund) Werkstoffe, Wien (AT), September 29-30, 1994
Availability: Available from (1) as Paper DE 38765 ORA
Record Number: 199411623 / Last updated on: 1995-01-10
Original language: de
Available languages: de