Fracture Energy and Thermal Shock Resistance of Mica Glass-Ceramics

1974 ◽  
pp. 495-508 ◽  
Author(s):  
Kenneth Chyung
Keyword(s):  
Fracture Energy ◽  
Thermal Shock ◽  
Thermal Shock Resistance ◽  
Glass Ceramics ◽  
Shock Resistance

Fracture Energy of Refractories

2012 ◽  
Vol 503-504 ◽  
pp. 1142-1145
Author(s):  
Fan Qian ◽  
Hong Xia Li ◽  
Guo Qi Liu ◽  
Wen Gang Yang ◽  
Jin Song Yang ◽  
...  
Keyword(s):  
High Temperature ◽  
Fracture Energy ◽  
Thermal Shock ◽  
Thermal Shock Resistance ◽  
Splitting Method ◽  
Research Status ◽  
Shock Resistance ◽  
The Relationship ◽  
Wedge Splitting

This paper introduce the relationship between fracture energy of refractories and its thermal shock resistance, and research status about fracture energy of refractories. It shows that investigation on fracture energy of refractories at high temperature is positive significance for evaluation of thermal shock resistance, and wedge splitting method for fracture energy of refractories is an effective method.

The Properties of MgO-C Materials with Different Graphite Size Distributions

2012 ◽  
Vol 503-504 ◽  
pp. 611-614
Author(s):  
Guo Qi Liu ◽  
Hong Xia Li ◽  
Jin Song Yang ◽  
Jian Bin Yu ◽  
Wen Gang Yang ◽  
...  
Keyword(s):  
Thermal Expansion ◽  
Continuous Casting ◽  
Fracture Energy ◽  
Thermal Shock ◽  
Thermal Shock Resistance ◽  
Body Part ◽  
Size Distributions ◽  
Treated Steel ◽  
Shock Resistance ◽  
Material Composite

Monolithic stopper is one of the functional refractories. The security and continuity of the continuous casting maybe irrupted by the abnormal condition of monolithic stopper. MgO-C material composite monolithic stopper is often used to cast Ca-treated steel. But the thermal expansion of MgO-C materials is relatively large and there is a poor thermal matching between rod part and body part. To improve thermal shock resistance of MgO-C materials, the properties of MgO-C materials with different graphite size distributions are researched. The results show that 1000 mesh graphite addition will decrease thermal shock resistance, fracture energy and thermal expansion will increase. MgO-C materials with combined addition of 595 and 199 graphite present good thermal shock resistance. The trends of thermal shock resistance for MgO-C refractories by immerging molten steel methods agree with that of Rst.

Influence of Spinel on the Fracture Energy of Refractory Castable

2013 ◽  
Vol 745-746 ◽  
pp. 632-635
Author(s):  
Hong Bin Qin ◽  
Hong Xia Li ◽  
Jian Dong Wang ◽  
Guo Qi Liu ◽  
Hai Xia Feng
Keyword(s):  
Fracture Energy ◽  
Thermal Shock ◽  
Thermal Shock Resistance ◽  
Splitting Method ◽  
Specific Fracture Energy ◽  
Refractory Castables ◽  
Changing Trend ◽  
Shock Resistance ◽  
Specific Fracture

The specific fracture energy of alumina-spinel refractory castables was studied by the wedge-splitting method in this paper. The influence of synthetic spinel on the specific fracture energy of aluminamagnesia refractory castables was investigated. In-situ formation spinel was replaced by sintering spinel as the synthetic spinel. The experimental results indicated that the specific fracture energy and the compressive flesural mechanical properties had the same changing trend with the increase of the synthetic spinel, but the thermal shock resistance of the materials showed the opposite trend. However, the thermal shock resistance was closely associated with the specific fracture energy according to one theory raised by Hasselman.

scholarly journals Thermal shock properties of glass-ceramics synthesized from a glass frit

2017 ◽  
Vol 49 (2) ◽  
pp. 139-147 ◽  
Author(s):  
Mira Cocic ◽  
Branko Matovic ◽  
Milica Posarac ◽  
Tatjana Volkov-Husovic ◽  
Jelena Majstorovic ◽  
...  
Keyword(s):  
Thermal Shock ◽  
Thermal Shock Resistance ◽  
Glass Ceramics ◽  
Glass Frit ◽  
Test Image ◽  
X Ray ◽  
Ultrasonic Measurements ◽  
Water Quench ◽  
Shock Resistance ◽  
Quench Test

In this study, the behavior of glass-ceramics synthesized from a glass frit of FFW (Final Flotation Waste) originated from the RTB Bor Company was investigated. Thermal shock resistance was monitored in order to assess the possibility of application of such waste material. Thermal shock of the samples was conducted using water quench test. Image analysis and ultrasonic measurements were used as nondestructive methods for quantification of thermal shock damage at the surface and in the bulk of the specimens. Phase composition of samples was determined by X-ray powder diffraction (XRPD). The degradation level of samples was about 43 % after 20 cycles of water quench tests. The results pointed out that glass-ceramic material exhibited good thermal shock resistance.

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