THERMAL STRESS RESISTANCE TO FRACTURE AND ITS RELATION TO WITH RESISTANCE TO THERMAL FUTIGUE AND SHOCK

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KALANTAR MAHDI; FANTOZZI G.

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Paper Information

Journal: ESTEGHLAL Year:2003 | Volume:22 | Issue:1 Page(s): 189-202

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Title

THERMAL STRESS RESISTANCE TO FRACTURE AND ITS RELATION TO WITH RESISTANCE TO THERMAL FUTIGUE AND SHOCK

Author(s)

KALANTAR MAHDI | FANTOZZI G. | Issue Writer Certificate

Keywords

SILICON NITRIDEQ3

THERMO- MECHANICAL PROPERTIESQ3

THERMAL SHOCK RESISTANCEQ3

CRACK PROPAGATION RESISTANCEQ3

Abstract

Dense SILICON NITRIDE was investigated to determine the effect of its microstructural parameters and densification on thermo-mechanical properties and thermal stress resistance to fracture initiation during a hot or cold mechanical and thermal shock testing. The different materials and microstructures were obtained by changing the parameters such as the type of the powder, additive, forming process and sintering condition. Maximum crack growth and THERMAL SHOCK RESISTANCE of dense Si3N4 are achieved after complete conversion of the a®b transformation, and after the change in grain morphology towards elongated grain and the relative crystallization of the second phases have been obtained. The characteristics are obtained by a high a phase content of the starting powder, high Y2O3 and sintering condition of higher temperature (2000o C), longer soaking times (1h) and load application at the beginning of the thermal cycle.

Cites

GRAIN BOUNDARY PHASE AND MICROSTRUCTURAL STUDY ON NON-OXIDE SI3N4 CERAMICS

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APA: Copy

KALANTAR, MAHDI, & FANTOZZI, G.. (2003). THERMAL STRESS RESISTANCE TO FRACTURE AND ITS RELATION TO WITH RESISTANCE TO THERMAL FUTIGUE AND SHOCK. ESTEGHLAL, 22(1), 189-202. SID. https://sid.ir/paper/6096/en

Vancouver: Copy

KALANTAR MAHDI, FANTOZZI G.. THERMAL STRESS RESISTANCE TO FRACTURE AND ITS RELATION TO WITH RESISTANCE TO THERMAL FUTIGUE AND SHOCK. ESTEGHLAL[Internet]. 2003;22(1):189-202. Available from: https://sid.ir/paper/6096/en

IEEE: Copy

MAHDI KALANTAR, and G. FANTOZZI, “THERMAL STRESS RESISTANCE TO FRACTURE AND ITS RELATION TO WITH RESISTANCE TO THERMAL FUTIGUE AND SHOCK,” ESTEGHLAL, vol. 22, no. 1, pp. 189–202, 2003, [Online]. Available: https://sid.ir/paper/6096/en

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