Numerical Simulation and Experimental Veri?cation of CMOD in SENT Specimen: Application on FCGR of Welded Tool Steel

doi:10.1007/s40195-012-0135-z

Abstract

Abstract:

Single-edged notched tension (SENT) specimen is used to study the fatigue crack growth rate (FCGR) behavior of AISI 50100 steel using MTS 810. Calibration tests are run to get plots of crack mouth opening displacement (CMOD) vs.load and CMOD vs. crack length-to-width ratio with the known crack lengths. Numerical simulation is also done to try to establish a relation between crack length and CMOD. FCGR of welded and un-welded specimens are plotted against stress intensity factor range to show the effect of welding on fatigue crack growth rate of AISI 50100 steel. The experimentally obtained CMOD values are compared with values obtained by numerical simulation using ABAQUS/Standard^TMsoftware package. Results show that numerical values are in good agreement with experimental data for small crack lengths and lower values of applied load.

Key words: Tool steel, Weld, Single-edged notched tension (SENT), CMOD, Fatigue crack growth rate (FCGR)

Cite this article

Amir SULTAN, Riffat Asim PASHA,Mifrah ALI, Muhammad Zubair KHAN, Muhammad Afzal KHAN, Naeem Ullah DAR,Masood SHAH. Numerical Simulation and Experimental Veri?cation of CMOD in SENT Specimen: Application on FCGR of Welded Tool Steel[J]. Acta Metallurgica Sinica (English Letters), 2013, 26(1): 92-96.

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URL: https://www.amse.org.cn/EN/10.1007/s40195-012-0135-z

https://www.amse.org.cn/EN/Y2013/V26/I1/92

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