ANALYTICAL MODELING OF FRACTURE TOUGHNESS JIC OF AUSTENITIC–MARTENSITIC FUNCTIONALLY GRADED STEELS WITH CRACK ARRESTER LAYERS

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SADOUGH VANINI S.A.; MOORI SHIRBANI M.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Modares Mechanical Engineering Year:2014 | Volume:13 | Issue:11 Page(s): 110-121

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Title

ANALYTICAL MODELING OF FRACTURE TOUGHNESS JIC OF AUSTENITIC–MARTENSITIC FUNCTIONALLY GRADED STEELS WITH CRACK ARRESTER LAYERS

Author(s)

SADOUGH VANINI S.A. | MOORI SHIRBANI M. | Issue Writer Certificate

Keywords

FRACTURE TOUGHNESSQ2

FUNCTIONALLY GRADED STEELSQ2

CRACK ARRESTER ARRANGEMENTQ2

ELECTROSLAG REMELTINGQ2

J-INTEGRALQ2

Abstract

In this article, FRACTURE TOUGHNESS of austenitic–martensitic FUNCTIONALLY GRADED STEELS fabricated by ELECTROSLAG REMELTING with crack arrester layers is investigated by experimental and analytical methods. The material contains austenite phase in addition to martensite layer. The Young’s modulus and the Poisson’s ratio have been assumed to be constant, while other mechanical properties like the yield strength and the strain hardening exponent vary exponentially along the specimen width. In analytical case, unloading compliance method is modified to calculate the critical value of J-INTEGRAL for cracked three point bend specimens while standard specimens with different crack lengths are tested in experiments. The effect of crack length on the FRACTURE TOUGHNESS has been studied. It is observed that, as the crack tip goes toward a martensite layer, FRACTURE TOUGHNESS of the specimen decreases considerably. The obtained results from the proposed model are in good agreement with the experimental results.

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APA: Copy

SADOUGH VANINI, S.A., & MOORI SHIRBANI, M.. (2014). ANALYTICAL MODELING OF FRACTURE TOUGHNESS J_IC OF AUSTENITIC–MARTENSITIC FUNCTIONALLY GRADED STEELS WITH CRACK ARRESTER LAYERS. MODARES MECHANICAL ENGINEERING, 13(11), 110-121. SID. https://sid.ir/paper/177965/en

Vancouver: Copy

SADOUGH VANINI S.A., MOORI SHIRBANI M.. ANALYTICAL MODELING OF FRACTURE TOUGHNESS J_IC OF AUSTENITIC–MARTENSITIC FUNCTIONALLY GRADED STEELS WITH CRACK ARRESTER LAYERS. MODARES MECHANICAL ENGINEERING[Internet]. 2014;13(11):110-121. Available from: https://sid.ir/paper/177965/en

IEEE: Copy

S.A. SADOUGH VANINI, and M. MOORI SHIRBANI, “ANALYTICAL MODELING OF FRACTURE TOUGHNESS J_IC OF AUSTENITIC–MARTENSITIC FUNCTIONALLY GRADED STEELS WITH CRACK ARRESTER LAYERS,” MODARES MECHANICAL ENGINEERING, vol. 13, no. 11, pp. 110–121, 2014, [Online]. Available: https://sid.ir/paper/177965/en

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