EXPERIMENTAL INVESTIGATION OF CRACK INITIATION AND FATIGUE LIFE OF SPOT WELD COACH PEEL SPECIMENS

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SHARIATI MAHMOUD

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

Journal Paper

Paper Information

Journal: MODARES TECHNICAL AND ENGINEERING Year:2008 | Volume:- | Issue:32 (SPECIAL ISSUE ON MECHANICAL ENGINEERING) Page(s): 99-114

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Title

EXPERIMENTAL INVESTIGATION OF CRACK INITIATION AND FATIGUE LIFE OF SPOT WELD COACH PEEL SPECIMENS

Author(s)

SHARIATI MAHMOUD | Issue Writer Certificate

Keywords

SPOT WELDQ3

NUGGETQ3

CRACKQ2

FATIGUE LIFEQ2

CRACK INITIATIONQ3

COACH PEEL SPECIMENQ3

Abstract

In this paper, an experimental investigation of fatigue CRACK growth behavior and FATIGUE LIFE of Coach Peel (CP) specimens is reported. In this investigation, the CP specimens with 1 and 1.5 mm thickness and from mild steel are used. Specimens are tested by a 25 kN capacity INSTRON 8802 servohydraulic fatigue test machine under constant amplitude but various level loadings. During loading, the CRACK length and cycle numbers are measured accurately by a 100X light microscope. Initiation and propagation of SPOT WELD specimens are measured by drawing vertical displacement of the specimen's vs cycle's curves. Results show that initiation and propagation of CRACKs often occur in the plate with less thickness. Also in low level loadings, CRACKs propagate longtitudinaly, but in high level loadings, usually NUGGET pull out and joints, fail catastrophically. The CRACK lengths during propagation are nearly unique in both plates with the same thickness.

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APA: Copy

SHARIATI, MAHMOUD. (2008). EXPERIMENTAL INVESTIGATION OF CRACK INITIATION AND FATIGUE LIFE OF SPOT WELD COACH PEEL SPECIMENS. MODARES TECHNICAL AND ENGINEERING, -(32 (SPECIAL ISSUE ON MECHANICAL ENGINEERING)), 99-114. SID. https://sid.ir/paper/24985/en

Vancouver: Copy

SHARIATI MAHMOUD. EXPERIMENTAL INVESTIGATION OF CRACK INITIATION AND FATIGUE LIFE OF SPOT WELD COACH PEEL SPECIMENS. MODARES TECHNICAL AND ENGINEERING[Internet]. 2008;-(32 (SPECIAL ISSUE ON MECHANICAL ENGINEERING)):99-114. Available from: https://sid.ir/paper/24985/en

IEEE: Copy

MAHMOUD SHARIATI, “EXPERIMENTAL INVESTIGATION OF CRACK INITIATION AND FATIGUE LIFE OF SPOT WELD COACH PEEL SPECIMENS,” MODARES TECHNICAL AND ENGINEERING, vol. -, no. 32 (SPECIAL ISSUE ON MECHANICAL ENGINEERING), pp. 99–114, 2008, [Online]. Available: https://sid.ir/paper/24985/en

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