STUDY ON THE EFFECT OF WELD CONFIGURATION GEOMETRY TO DISTRIBUTION OF RESIDUAL STRESS AND TEMPERATURE IN THE WELDED PARTS OF STAINLESS STEEL

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NATEGHI EBRAHIM; GORJI VALOKOLA ABDOLHAMID

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Journal: Modares Mechanical Engineering Year:2016 | Volume:15 | Issue:11 Page(s): 105-116

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Title

STUDY ON THE EFFECT OF WELD CONFIGURATION GEOMETRY TO DISTRIBUTION OF RESIDUAL STRESS AND TEMPERATURE IN THE WELDED PARTS OF STAINLESS STEEL

Author(s)

NATEGHI EBRAHIM | GORJI VALOKOLA ABDOLHAMID | Issue Writer Certificate

Keywords

JOINT CONFIGURATIONQ2

RESIDUAL STRESSQ2

HOLEDRILLINGQ1

FINITE ELEMENTQ2

ULTRASONIC TRANSVERS WAVE METHODQ2

Abstract

In multi-pass groove welding, RESIDUAL STRESS distribution, value and associated distortion are dependent on several factors, including the welding process-dependent parameters, mechanical properties of materials and fixtures. In present study, temperature distribution of three welding processes with different geometric designs are registered by the K type thermocouple. Each of the samples contains the same stainless steel plate A316 thickness that was welded based on welding procedure specification with gas tungsten arc welding method, with groove corner joints single bevel without gap and bevel face, single and double bevel with gap and bevel face. Created RESIDUAL STRESS on a sample was initially measured by nondestructive ultrasonic transverse waves method. After cutting the vertical part (plate without groove), for hole drilling device installation purposes, the aforementioned stress was measured by the semi-destructive hole drilling method. While for two other geometrical designs only ultrasonic method has been used to prevent parts from being destroyed. All three aformentioned designs were modeled in Simufact. Welding FINITE ELEMENT code (FE) and results were compared with experimental temperature and RESIDUAL STRESS measurements. The comparison shows that experimental measurements and numerical values match with each other well, highlighting a reasonable validation of FINITE ELEMENT models results. Current research results show that changing the geometry of the weld configuration has a significant effect on changes in the distribution and maximum value of transvers RESIDUAL STRESS, but negligible influence on maximum longitudinal RESIDUAL STRESS.

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APA: Copy

NATEGHI, EBRAHIM, & GORJI VALOKOLA, ABDOLHAMID. (2016). STUDY ON THE EFFECT OF WELD CONFIGURATION GEOMETRY TO DISTRIBUTION OF RESIDUAL STRESS AND TEMPERATURE IN THE WELDED PARTS OF STAINLESS STEEL. MODARES MECHANICAL ENGINEERING, 15(11), 105-116. SID. https://sid.ir/paper/177733/en

Vancouver: Copy

NATEGHI EBRAHIM, GORJI VALOKOLA ABDOLHAMID. STUDY ON THE EFFECT OF WELD CONFIGURATION GEOMETRY TO DISTRIBUTION OF RESIDUAL STRESS AND TEMPERATURE IN THE WELDED PARTS OF STAINLESS STEEL. MODARES MECHANICAL ENGINEERING[Internet]. 2016;15(11):105-116. Available from: https://sid.ir/paper/177733/en

IEEE: Copy

EBRAHIM NATEGHI, and ABDOLHAMID GORJI VALOKOLA, “STUDY ON THE EFFECT OF WELD CONFIGURATION GEOMETRY TO DISTRIBUTION OF RESIDUAL STRESS AND TEMPERATURE IN THE WELDED PARTS OF STAINLESS STEEL,” MODARES MECHANICAL ENGINEERING, vol. 15, no. 11, pp. 105–116, 2016, [Online]. Available: https://sid.ir/paper/177733/en

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