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Stresses developed in reaction-bonded ceramics
Luleå tekniska universitet.
1995 (English)In: Ceramic materials and components for engines: 5th International symposium : Selected papers / [ed] D.S. Yan; Xiren Fu; S.X. Shi, World Scientific Publishing Co Pte Ltd , 1995, 465-468 p.Conference paper (Refereed)
Abstract [en]

For a number of reaction-bonded ceramics, the reaction starts from the surface of the particles, forming a shell of products surrounding a reactant core. The reaction is continued by inward growth of the shell by means of diffusion of the reactant elements from the particle surface to the interface between the shell and core and vice versa. Since there exists a volumetric change due to the reaction, the products forming at the shell/core interface will be severely constrained. Strain and stress fields are then built up within the particles. A physical and mathematic model to calculate the strain and stress during and after the reaction bonding process is constructed. The preliminary results of estimation of stresses within the particles and their possible effect on reaction kinetics are presented and briefly discussed

Place, publisher, year, edition, pages
World Scientific Publishing Co Pte Ltd , 1995. 465-468 p.
Research subject
Engineering Materials
Identifiers
URN: urn:nbn:se:ltu:diva-37902Local ID: c18069e0-b55c-11dd-a6f7-000ea68e967bISBN: 9810219059OAI: oai:DiVA.org:ltu-37902DiVA: diva2:1011400
Conference
Ceramic materials and components for engines : 29/05/1994 - 01/06/1994
Note
Godkänd; 1995; 20081118 (andbra)Available from: 2016-10-03 Created: 2016-10-03Bibliographically approved

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