THE MATHEMATICAL RELATION FOR FRACTURE TOUGHNESS OF NI-P COATINGS VERSUS THICKNESS ON THE BASE OF EXPERIMENTAL DATA

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ZANGENEH MADAR K.; ASHRAFIZADEH F.A.D.; MONIR VAGHEFI S.M.

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Journal: IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING Year:2010 | Volume:- | Issue:8 Page(s): 69-77

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Title

THE MATHEMATICAL RELATION FOR FRACTURE TOUGHNESS OF NI-P COATINGS VERSUS THICKNESS ON THE BASE OF EXPERIMENTAL DATA

Author(s)

ZANGENEH MADAR K. | ASHRAFIZADEH F.A.D. | MONIR VAGHEFI S.M. | Issue Writer Certificate

Keywords

MATHEMATICAL RELATIONQ4

NICKEL ELECTROLESSQ3

COATING THICKNESSQ3

FRACTURE TOUGHNESSQ2

VICKERS INDENTATIONQ4

Abstract

In this paper, a mathematical relation is presented to determine fracture toughness of Ni-P coatings related to its thickness on the basis of experimental data. For this purpose, Ni-P coatings with various thicknesses were deposited on the steel substrate and then heat treated for 1 hr in 400°C. Fracture toughness of the coatings was estimated 1-3 MPaÖm by Vickers indentation method. It was found that thick coatings have lower Kc compared to thin ones. Fracture toughness relations (models) were analysed as different functions. Mean square relative error (MSRE) was calculated for final (models). The results showed less MSRE as well as good agreement between model I (Kc=f(t,t2)) and the experimental data.

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APA: Copy

ZANGENEH MADAR, K., ASHRAFIZADEH, F.A.D., & MONIR VAGHEFI, S.M.. (2010). THE MATHEMATICAL RELATION FOR FRACTURE TOUGHNESS OF NI-P COATINGS VERSUS THICKNESS ON THE BASE OF EXPERIMENTAL DATA. IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING, -(8), 69-77. SID. https://sid.ir/paper/121009/en

Vancouver: Copy

ZANGENEH MADAR K., ASHRAFIZADEH F.A.D., MONIR VAGHEFI S.M.. THE MATHEMATICAL RELATION FOR FRACTURE TOUGHNESS OF NI-P COATINGS VERSUS THICKNESS ON THE BASE OF EXPERIMENTAL DATA. IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING[Internet]. 2010;-(8):69-77. Available from: https://sid.ir/paper/121009/en

IEEE: Copy

K. ZANGENEH MADAR, F.A.D. ASHRAFIZADEH, and S.M. MONIR VAGHEFI, “THE MATHEMATICAL RELATION FOR FRACTURE TOUGHNESS OF NI-P COATINGS VERSUS THICKNESS ON THE BASE OF EXPERIMENTAL DATA,” IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING, vol. -, no. 8, pp. 69–77, 2010, [Online]. Available: https://sid.ir/paper/121009/en

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