Volume 18, Issue 4 (1-2011)                   www.ijcm.ir 2011, 18(4): 685-694 | Back to browse issues page

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Crystal structure and phase transition in miserite glass ceramic System. www.ijcm.ir. 2011; 18 (4) :685-694
URL: http://ijcm.ir/article-1-498-en.html
Abstract:   (836 Views)

Miserite, as a type of calcium potasium silicate mineral, was characterized by J.D. Scott at 1975 in the form of a chain silicate structure according to AWT IMAGE Formula. The primary cell parameters and the positioning of all atoms in the cell were characterized by scott and he also denoted that in this structure, some impurities such asAWT IMAGE,AWT IMAGE,… were substituted by AWT IMAGE as solid solution. Beal were synthesized this composition in 1999 by glass ceramic route and reported 235 MPa, 3.5 AWT IMAGE as bending strength an fracture toughness values of the products. In this research, the syntheses of miserite based compositions by glass ceramic rout were investigated. The results of DTA and XRD study showed that the synthesis of this composition is possible just by using of some additives such asAWT IMAGE. Also it is denoted that using of other additives such as AWT IMAGE and AWT IMAGEbesideAWT IMAGE can promote the formation of miserite as major phase. The microstructure of this composition obtained as interlocked rods with 1 micron diameter and more than 20 micron length. Also it is dented that this structure can enhance the mechanical properties at the samples.

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Type of Study: Research | Subject: Special
Received: 2017/05/22 | Accepted: 2017/05/22 | Published: 2017/05/22

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