ONSET YIELD ANALYSIS OF ROTATING DISKS MADE OF FUNCTIONALLY GRADED MATERIALS USING TRESCA YIELD CRITERION

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ZAMANI NEJAD SEYED MOHAMMAD; RASTGOO ABBAS; HADI AMIN

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Journal: Modares Mechanical Engineering Year:2014 | Volume:14 | Issue:8 Page(s): 68-74

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Title

ONSET YIELD ANALYSIS OF ROTATING DISKS MADE OF FUNCTIONALLY GRADED MATERIALS USING TRESCA YIELD CRITERION

Author(s)

ZAMANI NEJAD SEYED MOHAMMAD | RASTGOO ABBAS | HADI AMIN | Issue Writer Certificate

Keywords

ROTATING DISKQ2

FUNCTIONALLY GRADED MATERIALS (FGMS)Q2

ONSET YIELD ANALYSISQ2

TRESCA CRITERIONQ2

Abstract

This paper presents an elastic parametric analysis for the purpose of investigating the limit angular speed, displacement and stresses in ROTATING DISKs made of functionally graded materials (FGMs) based on Tresca yield criterion. The material properties obey the power law in radial direction. The Poisson’s ratio due to slight variations in engineering materials is assumed constant. For different values of inhomogeneity constant, limit angular speed, displacement and stresses in radial direction are plotted and for the commencement of the plastic flow, different states are investigated. state1: onset of plastic flow at the inner radius, state2: onset of plastic flow at the outer radius, state3: onset of plastic flow as the simultaneously at both radii and state4: onset of plastic flow between the inner and outer radii. To the best of the researchers’ knowledge, so far, in the papers which have been dealing with the investigation of ONSET YIELD ANALYSIS, the density and yield stress has been assumed constant, however, in this paper by assuming varying density and yield stress in ROTATING DISKs made of functionally graded materials and comparing results obtained by fixing these parameters, it has been observed that taking the density as a constant value is wrong and varying it has significant effects on the stresses.

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APA: Copy

ZAMANI NEJAD, SEYED MOHAMMAD, RASTGOO, ABBAS, & HADI, AMIN. (2014). ONSET YIELD ANALYSIS OF ROTATING DISKS MADE OF FUNCTIONALLY GRADED MATERIALS USING TRESCA YIELD CRITERION. MODARES MECHANICAL ENGINEERING, 14(8), 68-74. SID. https://sid.ir/paper/179156/en

Vancouver: Copy

ZAMANI NEJAD SEYED MOHAMMAD, RASTGOO ABBAS, HADI AMIN. ONSET YIELD ANALYSIS OF ROTATING DISKS MADE OF FUNCTIONALLY GRADED MATERIALS USING TRESCA YIELD CRITERION. MODARES MECHANICAL ENGINEERING[Internet]. 2014;14(8):68-74. Available from: https://sid.ir/paper/179156/en

IEEE: Copy

SEYED MOHAMMAD ZAMANI NEJAD, ABBAS RASTGOO, and AMIN HADI, “ONSET YIELD ANALYSIS OF ROTATING DISKS MADE OF FUNCTIONALLY GRADED MATERIALS USING TRESCA YIELD CRITERION,” MODARES MECHANICAL ENGINEERING, vol. 14, no. 8, pp. 68–74, 2014, [Online]. Available: https://sid.ir/paper/179156/en

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