2013
DOI: 10.4172/2169-0022.1000138
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Experimental Determination of Cooling Rate and its Effect on Microhardness in Submerged Arc Welding of Mild Steel Plate (Grade c-25 as per IS 1570)

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Cited by 13 publications
(6 citation statements)
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“…After calculating the cooling rate of each area of interest according to Eq. [1], [14] the average cooling rates for the three areas were determined for each specimen. The automatic hardness tester KB 30 FA was utilized to test the hardness, and the measurements were carried out with a force of 9.807 N (HV1).…”
Section: Methodsmentioning
confidence: 99%
“…After calculating the cooling rate of each area of interest according to Eq. [1], [14] the average cooling rates for the three areas were determined for each specimen. The automatic hardness tester KB 30 FA was utilized to test the hardness, and the measurements were carried out with a force of 9.807 N (HV1).…”
Section: Methodsmentioning
confidence: 99%
“…Studies on the microstructural evolution of the weld metal show that heat input and the composition of the filler metal play a very important role in the resulting microstructure of weld [11,22]. Rahul et al [23] observed that higher heat input caused slower cooling rates leading to coarse-grained microstructures. Low heat input causes faster cooling and finer microstructures in the weld.…”
Section: Results and Di̇scussi̇onmentioning
confidence: 99%
“…The microhardness increased with the decrease in heat input, also it was found that the percentage of graphite and slow cooling rate) which result in better mechanical properties [5]. It was found that the high cooling rate and low heat input caused the higher hardness [6]. The results depicted that the current had a significant effect on the hardness, where with the increase of welding current from 300 A to 330 A, the hardness decreased [7].…”
Section: Introductionmentioning
confidence: 99%