scholarly journals Contactless thermal characterization of high temperature test chamber

Author(s):  
Z. Szucs ◽  
Gy. Bognar ◽  
V. Szekely ◽  
M. Renczl
2009 ◽  
Vol 15 (8) ◽  
pp. 1279-1285 ◽  
Author(s):  
György Bognár ◽  
Z. Szűcs ◽  
V. Székely ◽  
M. Rencz

2016 ◽  
Vol 63 ◽  
pp. 104-110 ◽  
Author(s):  
David Berry ◽  
Adrian Townsend ◽  
Weikun He ◽  
Hanguang Zheng ◽  
Khai D.T. Ngo ◽  
...  

2016 ◽  
Vol 128 (3) ◽  
pp. 1241-1249 ◽  
Author(s):  
Ángel G. Fernández ◽  
Sussy Veliz ◽  
Edward Fuentealba ◽  
Hector Galleguillos

Author(s):  
Juan Meléndez Sanchez ◽  
Daniel Benito ◽  
Alba López Béjar ◽  
Javier Talavante ◽  
Susana Briz Pacheco ◽  
...  

2021 ◽  
Vol 1 (107) ◽  
pp. 5-15
Author(s):  
M. Kujawa ◽  
R. Suwak ◽  
L.A. Dobrzański ◽  
A. Gerle ◽  
B. Tomiczek

Purpose: The aim of the study was to investigate the possibility of sintering raw (natural) halloysite and pure halloysite to produce porous ceramic preforms, and determination of sintering temperature based on the results of investigations into thermal effects, linear changes and phase transitions. Design/methodology/approach: Due to mullitisation ability of halloysite at high temperature, alternative applications based on the sintering technology (including the production of reinforcement of metal matrix composites) are being searched for. Pure halloysite and Dunino halloysite were selected for the study. Findings: Pure halloysite, characterized by low impurities, dimensional stability during sintering, softening temperature above 1500ºC and ability to transform into mullite at temperatures above 950ºC could be used as a base for the production of sintered, porous mullite preforms. Research limitations/implications: Presence of impurities in Dunino halloysite, contribute to the shift of the sintering temperature towards lower temperatures and caused a rapid and uncontrolled shrinkage of the sample and the appearance of the softening temperature at 1300ºC. Practical implications: Based on the research of thermal (DTA/TG, linear changes in high-temperature microscopy) and XRD studies it is possible to determine the sintering temperature of pure halloysite to manufacture the porous mullite preforms with open porosity. Originality/value: The received results show the possibility of obtaining the new mullite preforms based on pure halloysite.


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