APPLICATION OF CVN AND 3-POINT BENDING IN DETERMINATION OF CRITICAL FRACTURE TOUGHNESS OF 46E2 AND 60E1 RAILS

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MOAZAM MOHAMMAD ALI; GHASEMI AHMAD REZA; HONARPISHEH MOHAMMAD

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Journal: Modares Mechanical Engineering Year:2017 | Volume:17 | Issue:4 Page(s): 61-66

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Title

APPLICATION OF CVN AND 3-POINT BENDING IN DETERMINATION OF CRITICAL FRACTURE TOUGHNESS OF 46E2 AND 60E1 RAILS

Author(s)

MOAZAM MOHAMMAD ALI | GHASEMI AHMAD REZA | HONARPISHEH MOHAMMAD | Issue Writer Certificate

Keywords

FRACTURE TOUGHNESSQ2

IMPACT TESTQ2

RAILQ2

3-POINT BENDINGQ1

Abstract

Measurement of FRACTURE TOUGHNESS is one of the quality control parameters in RAIL manufacturing process. FRACTURE TOUGHNESS value is needed for designing the RAIL lines, analysis of defects and other common prevalent works in mechanical engineering. The goal of this research is to introduce a relation for measuring FRACTURE TOUGHNESS of RAIL materials with grade R260 by Charpy V-notch number. At first the FRACTURE TOUGHNESS of RAIL material has been determined by 3-POINT BENDING technique according to ASTM E399 in ambient temperature. The fracture energies have been measured by Charpy IMPACT TEST and it has been illustrated that fracture energies have no significant change in the tests temperature limit. Relations between the chemical analysis and mechanical properties have been studied and compared with results of the other researchers. Uniaxial tension test, analysis of chemical composite, metallography and hardness test have been carried out for better study of the process. Finally, a relation to connect the Charpy V-notch number and FRACTURE TOUGHNESS has been introduced and the FRACTURE TOUGHNESS of the RAILs material over the IMPACT TEST temperature limit has been calculated. Good agreement between calculated results and the result of 3-pint bending test indicate appropriate accuracy of the introduced equation.

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APA: Copy

MOAZAM, MOHAMMAD ALI, GHASEMI, AHMAD REZA, & HONARPISHEH, MOHAMMAD. (2017). APPLICATION OF CVN AND 3-POINT BENDING IN DETERMINATION OF CRITICAL FRACTURE TOUGHNESS OF 46E2 AND 60E1 RAILS. MODARES MECHANICAL ENGINEERING, 17(4 ), 61-66. SID. https://sid.ir/paper/178864/en

Vancouver: Copy

MOAZAM MOHAMMAD ALI, GHASEMI AHMAD REZA, HONARPISHEH MOHAMMAD. APPLICATION OF CVN AND 3-POINT BENDING IN DETERMINATION OF CRITICAL FRACTURE TOUGHNESS OF 46E2 AND 60E1 RAILS. MODARES MECHANICAL ENGINEERING[Internet]. 2017;17(4 ):61-66. Available from: https://sid.ir/paper/178864/en

IEEE: Copy

MOHAMMAD ALI MOAZAM, AHMAD REZA GHASEMI, and MOHAMMAD HONARPISHEH, “APPLICATION OF CVN AND 3-POINT BENDING IN DETERMINATION OF CRITICAL FRACTURE TOUGHNESS OF 46E2 AND 60E1 RAILS,” MODARES MECHANICAL ENGINEERING, vol. 17, no. 4 , pp. 61–66, 2017, [Online]. Available: https://sid.ir/paper/178864/en

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