“…These observations are consistent with the previously reported results. 8, 11, 12, 15, 19 2 The effects of rotational speed and travel speed on the heat input in AA1100 a and the effects of the probe diameter and probe length on the heat input of AA5083 b . Note : the error bars represent the standard deviation (at least three repetitions); the data points were approximated by polynomial functions to provide the best fit.…”
Section: Resultsmentioning
confidence: 99%
“…However, they were not entirely successful primarily because of a variety of FSW parameters influencing the heat input. The FSW parameters include: the welding force, 1-4 tool rotational speed, 1-6 tool travel speed, 2, 4-10 plunge depth, 10, 11 shoulder diameter, 2-4 , 12 probe length and diameter, 3, 4 and friction properties of the tool material. 9, 10 It should also be noted that these variables may produce a synergetic effect, thus making the problem particularly challenging.…”
Section: Introductionmentioning
confidence: 99%
“…The calorimetric technique was introduced by Aota et al 8 In this approach, the FSW was conducted in a specially designed water-filled box, and the generated heat input was directly measured from the change in the water temperature. The possibility of a direct measurement makes this method very attractive.…”
Heat input is one of the key parameters governing the quality and service properties of friction stir welds. By using a calorimetric technique, the heat inputs generated during the friction stir welding of the aluminium alloys, 1100 and 5083, were measured over a wide range of welding parameters. An empirical equation to estimate the heat input using the welding parameters was established based on a multiple regression analysis of the results. The effect of the heat input on the final grain size of the stir zone was also investigated by the electron backscatter diffraction method. The quantitative relationships between the input variables, heat inputs, and final grain sizes in the stir zone were derived.
“…These observations are consistent with the previously reported results. 8, 11, 12, 15, 19 2 The effects of rotational speed and travel speed on the heat input in AA1100 a and the effects of the probe diameter and probe length on the heat input of AA5083 b . Note : the error bars represent the standard deviation (at least three repetitions); the data points were approximated by polynomial functions to provide the best fit.…”
Section: Resultsmentioning
confidence: 99%
“…However, they were not entirely successful primarily because of a variety of FSW parameters influencing the heat input. The FSW parameters include: the welding force, 1-4 tool rotational speed, 1-6 tool travel speed, 2, 4-10 plunge depth, 10, 11 shoulder diameter, 2-4 , 12 probe length and diameter, 3, 4 and friction properties of the tool material. 9, 10 It should also be noted that these variables may produce a synergetic effect, thus making the problem particularly challenging.…”
Section: Introductionmentioning
confidence: 99%
“…The calorimetric technique was introduced by Aota et al 8 In this approach, the FSW was conducted in a specially designed water-filled box, and the generated heat input was directly measured from the change in the water temperature. The possibility of a direct measurement makes this method very attractive.…”
Heat input is one of the key parameters governing the quality and service properties of friction stir welds. By using a calorimetric technique, the heat inputs generated during the friction stir welding of the aluminium alloys, 1100 and 5083, were measured over a wide range of welding parameters. An empirical equation to estimate the heat input using the welding parameters was established based on a multiple regression analysis of the results. The effect of the heat input on the final grain size of the stir zone was also investigated by the electron backscatter diffraction method. The quantitative relationships between the input variables, heat inputs, and final grain sizes in the stir zone were derived.
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