NUMERICAL AND EXPERIMENTAL EVALUATION OF RESIDUAL STRESS AND FATIGUE STRENGTH OF STEEL CK35 IN SHOT PEENING PROCESS

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TAJDARI MEHDI; BAHARVANDI HAMID REZA; MORADKHANI ALIREZA

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Journal: JOURNAL OF SIMULATION AND ANALYSIS OF NOVEL TECHNOLOGIES IN MECHANICAL ENGINEERING (JOURNAL OF SOLID MECHANICS IN ENGINEERING) Year:2012 | Volume:5 | Issue:1 (11) Page(s): 19-29

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Title

NUMERICAL AND EXPERIMENTAL EVALUATION OF RESIDUAL STRESS AND FATIGUE STRENGTH OF STEEL CK35 IN SHOT PEENING PROCESS

Author(s)

TAJDARI MEHDI | BAHARVANDI HAMID REZA | MORADKHANI ALIREZA | Issue Writer Certificate

Keywords

SHOT PEENINGQ2

FATIGUE TESTQ2

RESIDUAL STRESSQ2

STEELQ2

Abstract

In SHOT PEENING process the work piece surface is struck by a large number of balls and compressive RESIDUAL STRESS is generated on the surface. So, mechanical properties such as fatigue strength, stress corrosion resistance, smooth shape and. .. will improve. In this paper, the balls with a speed of 100 to 200 m/s were struck on the STEEL samples and fatigue strength compared with specimens without SHOT PEENING. The results included a significant increase in fatigue strength. Also the balls deep changes in the samples were calculated by the software ANSYS and compared with experimental results. The results show that, if the ball speed is 100 m/s, it leads 25% increase in fatigue strength while the RESIDUAL STRESS will increase to 250 MPa. Furthermore, if the ball speed is 200 m/s, fatigue strength and RESIDUAL STRESS increase up to 40% and 300 MPa, respectively. It is also concluded that the stress in the balls is twice the work piece surface RESIDUAL STRESS.

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APA: Copy

TAJDARI, MEHDI, BAHARVANDI, HAMID REZA, & MORADKHANI, ALIREZA. (2012). NUMERICAL AND EXPERIMENTAL EVALUATION OF RESIDUAL STRESS AND FATIGUE STRENGTH OF STEEL CK35 IN SHOT PEENING PROCESS. JOURNAL OF SIMULATION AND ANALYSIS OF NOVEL TECHNOLOGIES IN MECHANICAL ENGINEERING (JOURNAL OF SOLID MECHANICS IN ENGINEERING), 5(1 (11)), 19-29. SID. https://sid.ir/paper/171288/en

Vancouver: Copy

TAJDARI MEHDI, BAHARVANDI HAMID REZA, MORADKHANI ALIREZA. NUMERICAL AND EXPERIMENTAL EVALUATION OF RESIDUAL STRESS AND FATIGUE STRENGTH OF STEEL CK35 IN SHOT PEENING PROCESS. JOURNAL OF SIMULATION AND ANALYSIS OF NOVEL TECHNOLOGIES IN MECHANICAL ENGINEERING (JOURNAL OF SOLID MECHANICS IN ENGINEERING)[Internet]. 2012;5(1 (11)):19-29. Available from: https://sid.ir/paper/171288/en

IEEE: Copy

MEHDI TAJDARI, HAMID REZA BAHARVANDI, and ALIREZA MORADKHANI, “NUMERICAL AND EXPERIMENTAL EVALUATION OF RESIDUAL STRESS AND FATIGUE STRENGTH OF STEEL CK35 IN SHOT PEENING PROCESS,” JOURNAL OF SIMULATION AND ANALYSIS OF NOVEL TECHNOLOGIES IN MECHANICAL ENGINEERING (JOURNAL OF SOLID MECHANICS IN ENGINEERING), vol. 5, no. 1 (11), pp. 19–29, 2012, [Online]. Available: https://sid.ir/paper/171288/en

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